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<!--Generated by DFIN XBRL Instance Document - http://www.dfinsolutions.com/ - Version R3.0 - on 28-April-2025 [08:55:51] {PM}-->
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<labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CoverAbstract" xlink:label="loc_dei_CoverAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_CoverAbstract" xml:lang="en-US">Cover [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract" xlink:to="lab_dei_CoverAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentInformationTable" xlink:label="loc_dei_DocumentInformationTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentInformationTable" xml:lang="en-US">Document Information [Table]</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentInformationLineItems" xlink:label="loc_dei_DocumentInformationLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentInformationLineItems" xml:lang="en-US">Document Information [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationLineItems" xlink:to="lab_dei_DocumentInformationLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentType" xml:lang="en-US">Document Type</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityRegistrantName" xml:lang="en-US">Entity Registrant Name</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityCentralIndexKey" xml:lang="en-US">Entity Central Index Key</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_AmendmentFlag" xml:lang="en-US">Amendment Flag</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentPeriodEndDate" xml:lang="en-US">Document Period End Date</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentFiscalYearFocus" xml:lang="en-US">Document Fiscal Year Focus</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xml:lang="en-US">Document Fiscal Period Focus</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_TradingSymbol" xml:lang="en-US">Trading Symbol</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol" xlink:to="lab_dei_TradingSymbol" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_CurrentFiscalYearEndDate" xml:lang="en-US">Current Fiscal Year End Date</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate" xlink:to="lab_dei_CurrentFiscalYearEndDate" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer" xml:lang="en-US">Entity Well-known Seasoned Issuer</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityCurrentReportingStatus" xml:lang="en-US">Entity Current Reporting Status</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus" xlink:to="lab_dei_EntityCurrentReportingStatus" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityFilerCategory" xml:lang="en-US">Entity Filer Category</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory" xlink:to="lab_dei_EntityFilerCategory" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany" xlink:label="loc_dei_EntityEmergingGrowthCompany" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityEmergingGrowthCompany" xml:lang="en-US">Entity Emerging Growth Company</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityShellCompany" xlink:label="loc_dei_EntityShellCompany" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityShellCompany" xml:lang="en-US">Entity Shell Company</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityShellCompany" xlink:to="lab_dei_EntityShellCompany" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xml:lang="en-US">Entity Common Stock, Shares Outstanding</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding" xlink:to="lab_dei_EntityCommonStockSharesOutstanding" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_Security12bTitle" xlink:label="loc_dei_Security12bTitle" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_Security12bTitle" xml:lang="en-US">Title of 12(b) Security</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle" xlink:to="lab_dei_Security12bTitle" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SecurityExchangeName" xlink:label="loc_dei_SecurityExchangeName" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_SecurityExchangeName" xml:lang="en-US">Security Exchange Name</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName" xlink:to="lab_dei_SecurityExchangeName" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityVoluntaryFilers" xml:lang="en-US">Entity Voluntary Filers</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityVoluntaryFilers" xlink:to="lab_dei_EntityVoluntaryFilers" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCountry" xlink:label="loc_dei_EntityAddressCountry" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressCountry" xml:lang="en-US">Entity Address, Country</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCountry" xlink:to="lab_dei_EntityAddressCountry" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentShellCompanyReport" xlink:label="loc_dei_DocumentShellCompanyReport" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentShellCompanyReport" xml:lang="en-US">Document Shell Company Report</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentShellCompanyReport" xlink:to="lab_dei_DocumentShellCompanyReport" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityInteractiveDataCurrent" xlink:label="loc_dei_EntityInteractiveDataCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityInteractiveDataCurrent" xml:lang="en-US">Entity Interactive Data Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInteractiveDataCurrent" xlink:to="lab_dei_EntityInteractiveDataCurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentTransitionReport" xlink:label="loc_dei_DocumentTransitionReport" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentTransitionReport" xml:lang="en-US">Document Transition Report</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentTransitionReport" xlink:to="lab_dei_DocumentTransitionReport" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentAnnualReport" xlink:label="loc_dei_DocumentAnnualReport" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentAnnualReport" xml:lang="en-US">Document Annual Report</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAnnualReport" xlink:to="lab_dei_DocumentAnnualReport" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_IcfrAuditorAttestationFlag" xlink:label="loc_dei_IcfrAuditorAttestationFlag" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xml:lang="en-US">ICFR Auditor Attestation Flag</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_IcfrAuditorAttestationFlag" xlink:to="lab_dei_IcfrAuditorAttestationFlag" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentAccountingStandard" xlink:label="loc_dei_DocumentAccountingStandard" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentAccountingStandard" xml:lang="en-US">Document Accounting Standard</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAccountingStandard" xlink:to="lab_dei_DocumentAccountingStandard" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentRegistrationStatement" xlink:label="loc_dei_DocumentRegistrationStatement" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentRegistrationStatement" xml:lang="en-US">Document Registration Statement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentRegistrationStatement" xlink:to="lab_dei_DocumentRegistrationStatement" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFileNumber" xlink:label="loc_dei_EntityFileNumber" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityFileNumber" xml:lang="en-US">Entity File Number</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFileNumber" xlink:to="lab_dei_EntityFileNumber" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="loc_dei_EntityIncorporationStateCountryCode" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xml:lang="en-US">Entity Incorporation, State or Country Code</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityIncorporationStateCountryCode" xlink:to="lab_dei_EntityIncorporationStateCountryCode" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CityAreaCode" xlink:label="loc_dei_CityAreaCode" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_CityAreaCode" xml:lang="en-US">City Area Code</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode" xlink:to="lab_dei_CityAreaCode" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LocalPhoneNumber" xlink:label="loc_dei_LocalPhoneNumber" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_LocalPhoneNumber" xml:lang="en-US">Local Phone Number</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LocalPhoneNumber" xlink:to="lab_dei_LocalPhoneNumber" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine1" xlink:label="loc_dei_EntityAddressAddressLine1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressAddressLine1" xml:lang="en-US">Entity Address, Address Line One</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine1" xlink:to="lab_dei_EntityAddressAddressLine1" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine2" xlink:label="loc_dei_EntityAddressAddressLine2" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressAddressLine2" xml:lang="en-US">Entity Address, Address Line Two</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine2" xlink:to="lab_dei_EntityAddressAddressLine2" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCityOrTown" xlink:label="loc_dei_EntityAddressCityOrTown" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressCityOrTown" xml:lang="en-US">Entity Address, City or Town</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCityOrTown" xlink:to="lab_dei_EntityAddressCityOrTown" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressPostalZipCode" xlink:label="loc_dei_EntityAddressPostalZipCode" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressPostalZipCode" xml:lang="en-US">Entity Address, Postal Zip Code</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressPostalZipCode" xlink:to="lab_dei_EntityAddressPostalZipCode" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_ContactPersonnelName" xlink:label="loc_dei_ContactPersonnelName" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_ContactPersonnelName" xml:lang="en-US">Contact Personnel Name</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_ContactPersonnelName" xlink:to="lab_dei_ContactPersonnelName" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_ContactPersonnelEmailAddress" xlink:label="loc_dei_ContactPersonnelEmailAddress" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_ContactPersonnelEmailAddress" xml:lang="en-US">Contact Personnel Email Address</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_ContactPersonnelEmailAddress" xlink:to="lab_dei_ContactPersonnelEmailAddress" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorName" xlink:label="loc_dei_AuditorName" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_AuditorName" xml:lang="en-US">Auditor Name</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorName" xlink:to="lab_dei_AuditorName" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorFirmId" xlink:label="loc_dei_AuditorFirmId" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_AuditorFirmId" xml:lang="en-US">Auditor Firm ID</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorFirmId" xlink:to="lab_dei_AuditorFirmId" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorLocation" xlink:label="loc_dei_AuditorLocation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_AuditorLocation" xml:lang="en-US">Auditor Location</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorLocation" xlink:to="lab_dei_AuditorLocation" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFinStmtErrorCorrectionFlag" xlink:label="loc_dei_DocumentFinStmtErrorCorrectionFlag" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentFinStmtErrorCorrectionFlag" xml:lang="en-US">Document Financial Statement Error Correction [Flag]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFinStmtErrorCorrectionFlag" xlink:to="lab_dei_DocumentFinStmtErrorCorrectionFlag" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfShareCapitalAxis" xlink:label="loc_ifrs-full_ClassesOfShareCapitalAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xml:lang="en-US">Classes of share capital [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xml:lang="en-US">Classes of share capital [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:to="lab_ifrs-full_ClassesOfShareCapitalAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfShareCapitalDomain" xlink:label="loc_ifrs-full_ClassesOfShareCapitalDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xml:lang="en-US">Classes of share capital [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xml:lang="en-US">Share capital [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalDomain" xlink:to="lab_ifrs-full_ClassesOfShareCapitalDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OrdinarySharesMember" xlink:label="loc_ifrs-full_OrdinarySharesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OrdinarySharesMember" xml:lang="en-US">Ordinary shares [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OrdinarySharesMember" xml:lang="en-US">Ordinary shares [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OrdinarySharesMember" xlink:to="lab_ifrs-full_OrdinarySharesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AdrMember" xlink:label="loc_dei_AdrMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_AdrMember" xml:lang="en-US">ADR [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_dei_AdrMember" xml:lang="en-US">ADS [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AdrMember" xlink:to="lab_dei_AdrMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressesAddressTypeAxis" xlink:label="loc_dei_EntityAddressesAddressTypeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xml:lang="en-US">Entity Addresses, Address Type [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressesAddressTypeAxis" xlink:to="lab_dei_EntityAddressesAddressTypeAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AddressTypeDomain" xlink:label="loc_dei_AddressTypeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_AddressTypeDomain" xml:lang="en-US">Address Type [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AddressTypeDomain" xlink:to="lab_dei_AddressTypeDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_BusinessContactMember" xlink:label="loc_dei_BusinessContactMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_BusinessContactMember" xml:lang="en-US">Business Contact [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_BusinessContactMember" xlink:to="lab_dei_BusinessContactMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_LegalEntityAxis" xml:lang="en-US">Legal Entity [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis" xlink:to="lab_dei_LegalEntityAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityDomain" xml:lang="en-US">Entity [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain" xlink:to="lab_dei_EntityDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SamilPricewaterhousecoopersMember" xlink:label="loc_kt_SamilPricewaterhousecoopersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SamilPricewaterhousecoopersMember" xml:lang="en-US">Samil PricewaterhouseCoopers [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SamilPricewaterhousecoopersMember" xlink:to="lab_kt_SamilPricewaterhousecoopersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SamilPricewaterhousecoopersMember" xml:lang="en-US">Samil PricewaterhouseCoopers [Member]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfFinancialPositionAbstract" xlink:label="loc_ifrs-full_StatementOfFinancialPositionAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xml:lang="en-US">Statement of financial position [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="lab_ifrs-full_StatementOfFinancialPositionAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AssetsAbstract" xlink:label="loc_ifrs-full_AssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AssetsAbstract" xml:lang="en-US">Assets [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AssetsAbstract" xml:lang="en-US">Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAbstract" xlink:to="lab_ifrs-full_AssetsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentAssetsAbstract" xlink:label="loc_ifrs-full_CurrentAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xml:lang="en-US">Current assets [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentAssetsAbstract" xml:lang="en-US">Current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssetsAbstract" xlink:to="lab_ifrs-full_CurrentAssetsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="loc_ifrs-full_CashAndCashEquivalents" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xml:lang="en-US">Cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xml:lang="en-US">Cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xml:lang="en-US">Cash and cash equivalents at beginning of year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xml:lang="en-US">Cash and cash equivalents at end of year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xml:lang="en-US">Less: cash and cash equivalents</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalents" xlink:to="lab_ifrs-full_CashAndCashEquivalents" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherCurrentReceivables" xlink:label="loc_ifrs-full_TradeAndOtherCurrentReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xml:lang="en-US">Trade and other current receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xml:lang="en-US">Trade and other receivables, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xml:lang="en-US">Trade and other receivables, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentReceivables" xlink:to="lab_ifrs-full_TradeAndOtherCurrentReceivables" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentFinancialAssets" xlink:label="loc_ifrs-full_OtherCurrentFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherCurrentFinancialAssets" xml:lang="en-US">Other current financial assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherCurrentFinancialAssets" xml:lang="en-US">Other financial assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_OtherCurrentFinancialAssets" xml:lang="en-US">Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentFinancialAssets" xlink:to="lab_ifrs-full_OtherCurrentFinancialAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxAssetsCurrent" xlink:label="loc_ifrs-full_CurrentTaxAssetsCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentTaxAssetsCurrent" xml:lang="en-US">Current tax assets, current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentTaxAssetsCurrent" xml:lang="en-US">Current income tax assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxAssetsCurrent" xlink:to="lab_ifrs-full_CurrentTaxAssetsCurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Inventories" xlink:label="loc_ifrs-full_Inventories" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Inventories" xml:lang="en-US">Current inventories</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_Inventories" xml:lang="en-US">Inventories, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Inventories" xml:lang="en-US">Inventories</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_Inventories" xml:lang="en-US">Inventory Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Inventories" xlink:to="lab_ifrs-full_Inventories" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentAssets" xlink:label="loc_ifrs-full_OtherCurrentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherCurrentAssets" xml:lang="en-US">Other current assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherCurrentAssets" xml:lang="en-US">Other current assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherCurrentAssets" xml:lang="en-US">Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentAssets" xlink:to="lab_ifrs-full_OtherCurrentAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentAssets" xlink:label="loc_ifrs-full_CurrentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentAssets" xml:lang="en-US">Current assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CurrentAssets" xml:lang="en-US">Total current assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentAssets" xml:lang="en-US">Current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentAssets" xlink:to="lab_ifrs-full_CurrentAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssetsAbstract" xlink:label="loc_ifrs-full_NoncurrentAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentAssetsAbstract" xml:lang="en-US">Non-current assets [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentAssetsAbstract" xml:lang="en-US">Non-current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsAbstract" xlink:to="lab_ifrs-full_NoncurrentAssetsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentReceivables" xlink:label="loc_ifrs-full_NoncurrentReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentReceivables" xml:lang="en-US">Trade and other non-current receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_NoncurrentReceivables" xml:lang="en-US">Trade and other receivables, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_NoncurrentReceivables" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentReceivables" xlink:to="lab_ifrs-full_NoncurrentReceivables" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNoncurrentFinancialAssets" xlink:label="loc_ifrs-full_OtherNoncurrentFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherNoncurrentFinancialAssets" xml:lang="en-US">Other non-current financial assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherNoncurrentFinancialAssets" xml:lang="en-US">Other financial assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_OtherNoncurrentFinancialAssets" xml:lang="en-US">Less: Non-current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentFinancialAssets" xlink:to="lab_ifrs-full_OtherNoncurrentFinancialAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="loc_ifrs-full_PropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xml:lang="en-US">Property, plant and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xml:lang="en-US">Property and equipment, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xml:lang="en-US">Beginning, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xml:lang="en-US">Ending, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="lab_ifrs-full_PropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentProperty" xlink:label="loc_ifrs-full_InvestmentProperty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InvestmentProperty" xml:lang="en-US">Investment property</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_ifrs-full_InvestmentProperty" xml:lang="en-US">Investment properties, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_InvestmentProperty" xml:lang="en-US">Beginning balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_InvestmentProperty" xml:lang="en-US">Ending balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_InvestmentProperty" xml:lang="en-US">Investment properties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentProperty" xlink:to="lab_ifrs-full_InvestmentProperty" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IntangibleAssetsAndGoodwill" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xml:lang="en-US">Intangible assets and goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xml:lang="en-US">Intangible assets, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xml:lang="en-US">Beginning, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xml:lang="en-US">Ending, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwill" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:label="loc_ifrs-full_InvestmentAccountedForUsingEquityMethod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod" xml:lang="en-US">Investments accounted for using equity method</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod" xml:lang="en-US">Investments in associates and joint ventures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod" xml:lang="en-US">Book amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxAssets" xlink:label="loc_ifrs-full_DeferredTaxAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DeferredTaxAssets" xml:lang="en-US">Deferred tax assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DeferredTaxAssets" xml:lang="en-US">Deferred income tax assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxAssets" xlink:to="lab_ifrs-full_DeferredTaxAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNoncurrentNonfinancialAssets" xlink:label="loc_ifrs-full_OtherNoncurrentNonfinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherNoncurrentNonfinancialAssets" xml:lang="en-US">Other non-current non-financial assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherNoncurrentNonfinancialAssets" xml:lang="en-US">Other non-current assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_OtherNoncurrentNonfinancialAssets" xml:lang="en-US">Less: Non-current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentNonfinancialAssets" xlink:to="lab_ifrs-full_OtherNoncurrentNonfinancialAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssets" xlink:label="loc_ifrs-full_NoncurrentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentAssets" xml:lang="en-US">Non-current assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_NoncurrentAssets" xml:lang="en-US">Total non-current assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentAssets" xml:lang="en-US">Non-current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssets" xlink:to="lab_ifrs-full_NoncurrentAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RightofuseAssets" xlink:label="loc_ifrs-full_RightofuseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RightofuseAssets" xml:lang="en-US">Right-of-use assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RightofuseAssets" xml:lang="en-US">Right-of-use assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RightofuseAssets" xlink:to="lab_ifrs-full_RightofuseAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xlink:label="loc_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xml:lang="en-US">Non-current net defined benefit asset</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xml:lang="en-US">Net defined benefit assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" xlink:to="lab_ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Assets" xlink:label="loc_ifrs-full_Assets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Assets" xml:lang="en-US">Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_Assets" xml:lang="en-US">Total assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Assets" xml:lang="en-US">Total assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Assets" xlink:to="lab_ifrs-full_Assets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilitiesAbstract" xlink:label="loc_ifrs-full_LiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xml:lang="en-US">Liabilities [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xml:lang="en-US">Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesAbstract" xlink:to="lab_ifrs-full_LiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentLiabilitiesAbstract" xlink:label="loc_ifrs-full_CurrentLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xml:lang="en-US">Current liabilities [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentLiabilitiesAbstract" xml:lang="en-US">Current liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_CurrentLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayables" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xml:lang="en-US">Trade and other current payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xml:lang="en-US">Trade and other payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayables" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentPayables" xlink:to="lab_ifrs-full_TradeAndOtherCurrentPayables" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:label="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xml:lang="en-US">Current borrowings and current portion of non-current borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xml:lang="en-US">Borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xml:lang="en-US">Less: Current portion</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" xlink:to="lab_ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentFinancialLiabilities" xlink:label="loc_ifrs-full_OtherCurrentFinancialLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherCurrentFinancialLiabilities" xml:lang="en-US">Other current financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherCurrentFinancialLiabilities" xml:lang="en-US">Other financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_OtherCurrentFinancialLiabilities" xml:lang="en-US">Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentFinancialLiabilities" xlink:to="lab_ifrs-full_OtherCurrentFinancialLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:label="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xml:lang="en-US">Current tax liabilities, current</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" xml:lang="en-US">Current income tax liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxLiabilitiesCurrent" xlink:to="lab_ifrs-full_CurrentTaxLiabilitiesCurrent" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherShorttermProvisions" xlink:label="loc_ifrs-full_OtherShorttermProvisions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherShorttermProvisions" xml:lang="en-US">Other current provisions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherShorttermProvisions" xml:lang="en-US">Provisions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_OtherShorttermProvisions" xml:lang="en-US">Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherShorttermProvisions" xlink:to="lab_ifrs-full_OtherShorttermProvisions" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities" xlink:label="loc_ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities" xml:lang="en-US">Current deferred income other than current contract liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities" xml:lang="en-US">Deferred revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities" xlink:to="lab_ifrs-full_CurrentDeferredIncomeOtherThanCurrentContractLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentNonfinancialLiabilities" xlink:label="loc_ifrs-full_OtherCurrentNonfinancialLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherCurrentNonfinancialLiabilities" xml:lang="en-US">Other current non-financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherCurrentNonfinancialLiabilities" xml:lang="en-US">Other current liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherCurrentNonfinancialLiabilities" xml:lang="en-US">Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentNonfinancialLiabilities" xlink:to="lab_ifrs-full_OtherCurrentNonfinancialLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentLiabilities" xlink:label="loc_ifrs-full_CurrentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentLiabilities" xml:lang="en-US">Current liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CurrentLiabilities" xml:lang="en-US">Total current liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentLiabilities" xml:lang="en-US">Current liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLiabilities" xlink:to="lab_ifrs-full_CurrentLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAbstract" xlink:label="loc_ifrs-full_EquityAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EquityAbstract" xml:lang="en-US">Equity [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_EquityAbstract" xml:lang="en-US">Equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="lab_ifrs-full_EquityAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IssuedCapital" xlink:label="loc_ifrs-full_IssuedCapital" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IssuedCapital" xml:lang="en-US">Issued capital</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_IssuedCapital" xml:lang="en-US">Share capital</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IssuedCapital" xml:lang="en-US">Ordinary Shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapital" xlink:to="lab_ifrs-full_IssuedCapital" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SharePremium" xlink:label="loc_ifrs-full_SharePremium" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SharePremium" xml:lang="en-US">Share premium</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_SharePremium" xml:lang="en-US">Share premium</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SharePremium" xlink:to="lab_ifrs-full_SharePremium" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RetainedEarnings" xlink:label="loc_ifrs-full_RetainedEarnings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RetainedEarnings" xml:lang="en-US">Retained earnings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RetainedEarnings" xml:lang="en-US">Retained earnings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_RetainedEarnings" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarnings" xlink:to="lab_ifrs-full_RetainedEarnings" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:label="loc_ifrs-full_AccumulatedOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xml:lang="en-US">Accumulated other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xml:lang="en-US">Accumulated other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xml:lang="en-US">Total accumulated other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xml:lang="en-US">Beginning</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" xml:lang="en-US">Ending</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedOtherComprehensiveIncome" xlink:to="lab_ifrs-full_AccumulatedOtherComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherEquityInterest" xlink:label="loc_ifrs-full_OtherEquityInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherEquityInterest" xml:lang="en-US">Other equity interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherEquityInterest" xml:lang="en-US">Other components of equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherEquityInterest" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherEquityInterest" xlink:to="lab_ifrs-full_OtherEquityInterest" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParent" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xml:lang="en-US">Equity attributable to owners of parent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xml:lang="en-US">Equity attributable to owners of the Controlling Company</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_EquityAttributableToOwnersOfParent" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentLiabilitiesAbstract" xlink:label="loc_ifrs-full_NoncurrentLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xml:lang="en-US">Non-current liabilities [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentLiabilitiesAbstract" xml:lang="en-US">Non-current liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="lab_ifrs-full_NoncurrentLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentPayables" xlink:label="loc_ifrs-full_NoncurrentPayables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentPayables" xml:lang="en-US">Trade and other non-current payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentPayables" xml:lang="en-US">Trade and other payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_NoncurrentPayables" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentPayables" xlink:to="lab_ifrs-full_NoncurrentPayables" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LongtermBorrowings" xlink:label="loc_ifrs-full_LongtermBorrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LongtermBorrowings" xml:lang="en-US">Non-current portion of non-current borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LongtermBorrowings" xml:lang="en-US">Borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_LongtermBorrowings" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermBorrowings" xlink:to="lab_ifrs-full_LongtermBorrowings" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:label="loc_ifrs-full_OtherNoncurrentFinancialLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherNoncurrentFinancialLiabilities" xml:lang="en-US">Other non-current financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherNoncurrentFinancialLiabilities" xml:lang="en-US">Other financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_OtherNoncurrentFinancialLiabilities" xml:lang="en-US">Less: Non-current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:to="lab_ifrs-full_OtherNoncurrentFinancialLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:label="loc_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xml:lang="en-US">Non-current net defined benefit liability</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xml:lang="en-US">Defined benefit liabilities, net</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xml:lang="en-US">Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" xlink:to="lab_ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherLongtermProvisions" xlink:label="loc_ifrs-full_OtherLongtermProvisions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherLongtermProvisions" xml:lang="en-US">Other non-current provisions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherLongtermProvisions" xml:lang="en-US">Provisions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherLongtermProvisions" xml:lang="en-US">Non-current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherLongtermProvisions" xlink:to="lab_ifrs-full_OtherLongtermProvisions" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities" xlink:label="loc_ifrs-full_NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities" xml:lang="en-US">Non-current deferred income other than non-current contract liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities" xml:lang="en-US">Deferred revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities" xlink:to="lab_ifrs-full_NoncurrentDeferredIncomeOtherThanNoncurrentContractLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxLiabilities" xlink:label="loc_ifrs-full_DeferredTaxLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xml:lang="en-US">Deferred tax liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xml:lang="en-US">Deferred income tax liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xml:lang="en-US">Deferred income tax liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxLiabilities" xlink:to="lab_ifrs-full_DeferredTaxLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNoncurrentNonfinancialLiabilities" xlink:label="loc_ifrs-full_OtherNoncurrentNonfinancialLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherNoncurrentNonfinancialLiabilities" xml:lang="en-US">Other non-current non-financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherNoncurrentNonfinancialLiabilities" xml:lang="en-US">Other non-current liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_OtherNoncurrentNonfinancialLiabilities" xml:lang="en-US">Less: Non-current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentNonfinancialLiabilities" xlink:to="lab_ifrs-full_OtherNoncurrentNonfinancialLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="loc_ifrs-full_NoncurrentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xml:lang="en-US">Non-current liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xml:lang="en-US">Total non-current liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentLiabilities" xml:lang="en-US">Non-current liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLiabilities" xlink:to="lab_ifrs-full_NoncurrentLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Liabilities" xlink:label="loc_ifrs-full_Liabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Liabilities" xml:lang="en-US">Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_Liabilities" xml:lang="en-US">Total liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Liabilities" xml:lang="en-US">Total liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Liabilities" xlink:to="lab_ifrs-full_Liabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncontrollingInterests" xlink:label="loc_ifrs-full_NoncontrollingInterests" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncontrollingInterests" xml:lang="en-US">Non-controlling interests</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncontrollingInterests" xml:lang="en-US">Non-controlling interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_NoncontrollingInterests" xml:lang="en-US">Accumulated non-controlling interests at the beginning of the year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_NoncontrollingInterests" xml:lang="en-US">Accumulated non-controlling interests at the end of the year</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncontrollingInterests" xlink:to="lab_ifrs-full_NoncontrollingInterests" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Equity" xlink:label="loc_ifrs-full_Equity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Equity" xml:lang="en-US">Equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_Equity" xml:lang="en-US">Total equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_Equity" xml:lang="en-US">Beginning balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_Equity" xml:lang="en-US">Ending balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_Equity" xml:lang="en-US">Total equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Equity" xml:lang="en-US">Equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Equity" xlink:to="lab_ifrs-full_Equity" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAndLiabilities" xlink:label="loc_ifrs-full_EquityAndLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EquityAndLiabilities" xml:lang="en-US">Equity and liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_EquityAndLiabilities" xml:lang="en-US">Total liabilities and equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAndLiabilities" xlink:to="lab_ifrs-full_EquityAndLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeStatementAbstract" xlink:label="loc_ifrs-full_IncomeStatementAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xml:lang="en-US">Profit or loss [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeStatementAbstract" xlink:to="lab_ifrs-full_IncomeStatementAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EarningsPerShareAbstract" xlink:label="loc_ifrs-full_EarningsPerShareAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xml:lang="en-US">Earnings per share [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_EarningsPerShareAbstract" xml:lang="en-US">Earnings per share attributable to the equity holders of the Controlling Company during the year (in Korean won):</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareAbstract" xlink:to="lab_ifrs-full_EarningsPerShareAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BasicEarningsLossPerShare" xlink:label="loc_ifrs-full_BasicEarningsLossPerShare" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xml:lang="en-US">Basic earnings (loss) per share</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xml:lang="en-US">Basic earnings per share</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xml:lang="en-US">Basic earnings per share (In Korean won)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsLossPerShare" xlink:to="lab_ifrs-full_BasicEarningsLossPerShare" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DilutedEarningsLossPerShare" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShare" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xml:lang="en-US">Diluted earnings (loss) per share</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xml:lang="en-US">Diluted earnings per share</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xml:lang="en-US">Diluted earnings per share (In Korean won)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:to="lab_ifrs-full_DilutedEarningsLossPerShare" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToAbstract" xlink:label="loc_ifrs-full_ProfitLossAttributableToAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProfitLossAttributableToAbstract" xml:lang="en-US">Profit (loss), attributable to [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProfitLossAttributableToAbstract" xml:lang="en-US">Profit for the year attributable to:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToAbstract" xlink:to="lab_ifrs-full_ProfitLossAttributableToAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:label="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xml:lang="en-US">Profit (loss), attributable to owners of parent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xml:lang="en-US">Profit (loss) for the year attributable to Owners of the Controlling Company</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:label="loc_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xml:lang="en-US">Profit (loss), attributable to non-controlling interests</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xml:lang="en-US">Profit (loss) for the year attributable to Non-controlling interest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xml:lang="en-US">Profit or loss allocated to non-controlling interests</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:to="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevenueAndOperatingIncome" xlink:label="loc_ifrs-full_RevenueAndOperatingIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RevenueAndOperatingIncome" xml:lang="en-US">Revenue and other operating income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_RevenueAndOperatingIncome" xml:lang="en-US">Operating revenue and other income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_RevenueAndOperatingIncome" xml:lang="en-US">Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_RevenueAndOperatingIncome" xml:lang="en-US">Operating revenues</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueAndOperatingIncome" xlink:to="lab_ifrs-full_RevenueAndOperatingIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Revenue" xlink:label="loc_ifrs-full_Revenue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Revenue" xml:lang="en-US">Revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_ifrs-full_Revenue" xml:lang="en-US">Revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_Revenue" xml:lang="en-US">Operating revenues</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Revenue" xml:lang="en-US">Operating revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Revenue" xlink:to="lab_ifrs-full_Revenue" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherIncome" xlink:label="loc_ifrs-full_OtherIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherIncome" xml:lang="en-US">Other income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherIncome" xml:lang="en-US">Other income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_OtherIncome" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherIncome" xlink:to="lab_ifrs-full_OtherIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OperatingExpense" xlink:label="loc_ifrs-full_OperatingExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OperatingExpense" xml:lang="en-US">Operating expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OperatingExpense" xml:lang="en-US">Operating expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_OperatingExpense" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingExpense" xlink:to="lab_ifrs-full_OperatingExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossFromOperatingActivities" xlink:label="loc_ifrs-full_ProfitLossFromOperatingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xml:lang="en-US">Profit (loss) from operating activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xml:lang="en-US">Operating profit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProfitLossFromOperatingActivities" xml:lang="en-US">Operating income (loss)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossFromOperatingActivities" xlink:to="lab_ifrs-full_ProfitLossFromOperatingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceIncome" xlink:label="loc_ifrs-full_FinanceIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinanceIncome" xml:lang="en-US">Finance income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinanceIncome" xml:lang="en-US">Finance income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_FinanceIncome" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceIncome" xlink:to="lab_ifrs-full_FinanceIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceCosts" xlink:label="loc_ifrs-full_FinanceCosts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinanceCosts" xml:lang="en-US">Finance costs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_FinanceCosts" xml:lang="en-US">Finance costs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_FinanceCosts" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceCosts" xlink:to="lab_ifrs-full_FinanceCosts" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:label="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xml:lang="en-US">Share of profit (loss) of associates and joint ventures accounted for using equity method</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xml:lang="en-US">Share of net profits of associates and joint ventures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="loc_ifrs-full_ProfitLossBeforeTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xml:lang="en-US">Profit (loss) before tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xml:lang="en-US">Profit before income tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossBeforeTax" xlink:to="lab_ifrs-full_ProfitLossBeforeTax" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xml:lang="en-US">Tax expense (income)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xml:lang="en-US">Income tax expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xml:lang="en-US">Income tax expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLoss" xlink:label="loc_ifrs-full_ProfitLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProfitLoss" xml:lang="en-US">Profit (loss)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_ProfitLoss" xml:lang="en-US">Profit for the year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_ProfitLoss" xml:lang="en-US">Profit for the year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProfitLoss" xml:lang="en-US">Profit (loss) for the year</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLoss" xlink:to="lab_ifrs-full_ProfitLoss" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:label="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" xml:lang="en-US">Statement of comprehensive income [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_StatementOfComprehensiveIncomeAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xml:lang="en-US">Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xml:lang="en-US">Other comprehensive income, Items that may be subsequently reclassified to profit or loss:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainsLossesOnOtherFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:label="loc_kt_GainsLossesOnOtherFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainsLossesOnOtherFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xml:lang="en-US">Gains (losses) on other financial assets measured at fair value through other comprehensive income, net of tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_GainsLossesOnOtherFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xml:lang="en-US">Gain(loss) on valuation of debt instruments at fair value through other comprehensive income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainsLossesOnOtherFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:to="lab_kt_GainsLossesOnOtherFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainsLossesOnOtherFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xml:lang="en-US">Gains (losses) on other financial assets measured at fair value through other comprehensive income, net of tax.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" xlink:label="loc_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" xml:lang="en-US">Gains (losses) on cash flow hedges, net of tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" xml:lang="en-US">Valuation gain (loss) on cash flow hedge</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" xlink:to="lab_ifrs-full_GainsLossesOnCashFlowHedgesNetOfTax" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:label="loc_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xml:lang="en-US">Reclassification adjustments on cash flow hedges, net of tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xml:lang="en-US">Other comprehensive income (loss) from cash flow hedges reclassified to profit (loss)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:to="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:label="loc_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax" xml:lang="en-US">Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax" xml:lang="en-US">Share of other comprehensive income (loss) from associates and joint ventures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax" xml:lang="en-US">Share of other comprehensive income (loss) of associates and joint ventures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xml:lang="en-US">Other comprehensive income, net of tax, exchange differences on translation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xml:lang="en-US">Exchange differences on translation of foreign operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation" xml:lang="en-US">Exchange differences on translation for foreign operations, After recognition</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xml:lang="en-US">Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xml:lang="en-US">Other comprehensive income Items that will not be reclassified to profit or loss:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xml:lang="en-US">Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xml:lang="en-US">Remeasurements of the net defined benefit liability</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xml:lang="en-US">Remeasurements of net defined benefit liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xml:lang="en-US">Remeasurements of net defined benefit liabilities, After recognition</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:label="loc_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xml:lang="en-US">Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, net of tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xml:lang="en-US">Shares of remeasurement gain (loss) of associates and joint ventures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xml:lang="en-US">Share of gain(loss) on remeasurements of associates and joint ventures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax" xlink:to="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments" xml:lang="en-US">Other comprehensive income, net of tax, gains (losses) from investments in equity instruments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments" xml:lang="en-US">Gain (loss) on valuation of equity instruments at fair value through other comprehensive income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xml:lang="en-US">Comprehensive income attributable to [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xml:lang="en-US">Total comprehensive income for the year attributable to:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xml:lang="en-US">Comprehensive income, attributable to owners of parent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xml:lang="en-US">Owners of the Controlling Company</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xml:lang="en-US">Comprehensive income, attributable to non-controlling interests</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xml:lang="en-US">Non-controlling interest</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncome" xlink:label="loc_ifrs-full_OtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xml:lang="en-US">Other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xml:lang="en-US">Total other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xml:lang="en-US">Other comprehensive income (loss) for the year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xml:lang="en-US">Other comprehensive income(loss)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncome" xlink:to="lab_ifrs-full_OtherComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncome" xlink:label="loc_ifrs-full_ComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ComprehensiveIncome" xml:lang="en-US">Comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_ComprehensiveIncome" xml:lang="en-US">Total comprehensive income for the year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ComprehensiveIncome" xml:lang="en-US">Total comprehensive income(loss)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_ifrs-full_ComprehensiveIncome" xml:lang="en-US">Total comprehensive income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="lab_ifrs-full_ComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfChangesInEquityAbstract" xlink:label="loc_ifrs-full_StatementOfChangesInEquityAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfChangesInEquityAbstract" xml:lang="en-US">Statement of changes in equity [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityAbstract" xlink:to="lab_ifrs-full_StatementOfChangesInEquityAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfChangesInEquityTable" xlink:label="loc_ifrs-full_StatementOfChangesInEquityTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xml:lang="en-US">Statement of changes in equity [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xml:lang="en-US">Statement of changes in equity [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:to="lab_ifrs-full_StatementOfChangesInEquityTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfEquityAxis" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xml:lang="en-US">Components of equity [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xml:lang="en-US">Components of equity [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="lab_ifrs-full_ComponentsOfEquityAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfEquityDomain" xlink:label="loc_ifrs-full_ComponentsOfEquityDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xml:lang="en-US">Components of equity [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xml:lang="en-US">Equity [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain" xlink:to="lab_ifrs-full_ComponentsOfEquityDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IssuedCapitalMember" xlink:label="loc_ifrs-full_IssuedCapitalMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IssuedCapitalMember" xml:lang="en-US">Issued capital [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IssuedCapitalMember" xml:lang="en-US">Share capital [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapitalMember" xlink:to="lab_ifrs-full_IssuedCapitalMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SharePremiumMember" xlink:label="loc_ifrs-full_SharePremiumMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SharePremiumMember" xml:lang="en-US">Share premium [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_SharePremiumMember" xml:lang="en-US">Share premium [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SharePremiumMember" xlink:to="lab_ifrs-full_SharePremiumMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RetainedEarningsMember" xlink:label="loc_ifrs-full_RetainedEarningsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RetainedEarningsMember" xml:lang="en-US">Retained earnings [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RetainedEarningsMember" xml:lang="en-US">Retained earnings [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarningsMember" xlink:to="lab_ifrs-full_RetainedEarningsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US">Accumulated other comprehensive income [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US">Accumulated other comprehensive income [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" xlink:to="lab_ifrs-full_AccumulatedOtherComprehensiveIncomeMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherEquityInterestMember" xlink:label="loc_ifrs-full_OtherEquityInterestMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherEquityInterestMember" xml:lang="en-US">Other equity interest [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherEquityInterestMember" xml:lang="en-US">Other components of equity [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherEquityInterestMember" xlink:to="lab_ifrs-full_OtherEquityInterestMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xml:lang="en-US">Equity attributable to owners of parent [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xml:lang="en-US">Total attributable to owners of the Controlling Company [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncontrollingInterestsMember" xlink:label="loc_ifrs-full_NoncontrollingInterestsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncontrollingInterestsMember" xml:lang="en-US">Non-controlling interests [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncontrollingInterestsMember" xml:lang="en-US">Non-controlling interest [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncontrollingInterestsMember" xlink:to="lab_ifrs-full_NoncontrollingInterestsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" xlink:label="loc_ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" xml:lang="en-US">Retrospective application and retrospective restatement [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" xml:lang="en-US">Retrospective application and retrospective restatement [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" xlink:to="lab_ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RestatedMember" xlink:label="loc_ifrs-full_RestatedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RestatedMember" xml:lang="en-US">Currently stated [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RestatedMember" xml:lang="en-US">Currently stated [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RestatedMember" xlink:to="lab_ifrs-full_RestatedMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfChangesInEquityLineItems" xlink:label="loc_ifrs-full_StatementOfChangesInEquityLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xml:lang="en-US">Statement of changes in equity [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xml:lang="en-US">Statement of changes in equity [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="lab_ifrs-full_StatementOfChangesInEquityLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAbstract" xlink:label="loc_ifrs-full_ComprehensiveIncomeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ComprehensiveIncomeAbstract" xml:lang="en-US">Comprehensive income [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ComprehensiveIncomeAbstract" xml:lang="en-US">Comprehensive income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_ComprehensiveIncomeAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xml:lang="en-US">Other comprehensive income, net of tax, cash flow hedges</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xml:lang="en-US">Valuation gain (loss) on cash flow hedge</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xml:lang="en-US">Gain (loss) on valuation of hedge instruments (loss) liabilities, After recognition</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:label="loc_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xml:lang="en-US">Gains (losses) on financial assets measured at fair value through other comprehensive income, net of tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xml:lang="en-US">Gain (Loss) on valuation of financial instruments at fair value through other comprehensive income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:to="lab_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TransactionsWithOwnersAbstract" xlink:label="loc_kt_TransactionsWithOwnersAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TransactionsWithOwnersAbstract" xml:lang="en-US">Transactions With Owners [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TransactionsWithOwnersAbstract" xml:lang="en-US">Transactions with owners</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TransactionsWithOwnersAbstract" xlink:to="lab_kt_TransactionsWithOwnersAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TransactionsWithOwnersAbstract" xml:lang="en-US">Transactions With Owners [abstract]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent" xlink:label="loc_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent" xml:lang="en-US">Dividends recognised as distributions to owners of parent</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent" xml:lang="en-US">Dividends paid by the Controlling Company</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent" xlink:to="lab_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" xlink:label="loc_ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" xml:lang="en-US">Dividends recognised as distributions to non-controlling interests</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" xml:lang="en-US">Dividends paid to non-controlling interest of subsidiaries</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" xlink:to="lab_ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughChangeInEquityOfSubsidiaries" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughChangeInEquityOfSubsidiaries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangeInEquityOfSubsidiaries" xml:lang="en-US">Increase (decrease) through change in equity of subsidiaries, equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangeInEquityOfSubsidiaries" xml:lang="en-US">Acquisition and disposition of businesses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughChangeInEquityOfSubsidiaries" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughChangeInEquityOfSubsidiaries" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xml:lang="en-US">Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xml:lang="en-US">Changes in ownership interest in subsidiaries</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xml:lang="en-US">Increase (decrease) through treasury share transactions, equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xml:lang="en-US">Appropriations of loss on disposal of treasury stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CancellationOfTreasuryShares" xlink:label="loc_ifrs-full_CancellationOfTreasuryShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CancellationOfTreasuryShares" xml:lang="en-US">Cancellation of treasury shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CancellationOfTreasuryShares" xml:lang="en-US">Disposal of treasury stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CancellationOfTreasuryShares" xlink:to="lab_ifrs-full_CancellationOfTreasuryShares" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xml:lang="en-US">Increase (decrease) through other changes, equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfTreasuryShares" xlink:label="loc_ifrs-full_PurchaseOfTreasuryShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xml:lang="en-US">Purchase of treasury shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_PurchaseOfTreasuryShares" xml:lang="en-US">Acquisition of treasury stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfTreasuryShares" xlink:to="lab_ifrs-full_PurchaseOfTreasuryShares" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RecognitionOfTheObligationToPurchaseItsOwnEquity" xlink:label="loc_kt_RecognitionOfTheObligationToPurchaseItsOwnEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RecognitionOfTheObligationToPurchaseItsOwnEquity" xml:lang="en-US">Recognition Of The Obligation To Purchase Its Own Equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_RecognitionOfTheObligationToPurchaseItsOwnEquity" xml:lang="en-US">Recognition of the obligation to purchase its own equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RecognitionOfTheObligationToPurchaseItsOwnEquity" xlink:to="lab_kt_RecognitionOfTheObligationToPurchaseItsOwnEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RecognitionOfTheObligationToPurchaseItsOwnEquity" xml:lang="en-US">Recognition of the obligation to purchase its own equity.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments" xml:lang="en-US">Increase (decrease) through conversion of convertible instruments, equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments" xml:lang="en-US">Conversion of redeemable convertible preferred shares of subsidiaries to common shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RetirementOfTreasuryShares" xlink:label="loc_kt_RetirementOfTreasuryShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RetirementOfTreasuryShares" xml:lang="en-US">Retirement Of Treasury Shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RetirementOfTreasuryShares" xml:lang="en-US">Retirement of treasury stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RetirementOfTreasuryShares" xlink:to="lab_kt_RetirementOfTreasuryShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RetirementOfTreasuryShares" xml:lang="en-US">Retirement of treasury shares.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InterimDividendsPaidByTheParentCompany" xlink:label="loc_kt_InterimDividendsPaidByTheParentCompany" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InterimDividendsPaidByTheParentCompany" xml:lang="en-US">Interim Dividends Paid By The Parent Company</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_InterimDividendsPaidByTheParentCompany" xml:lang="en-US">Interim Dividends paid by the Parent Company</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InterimDividendsPaidByTheParentCompany" xlink:to="lab_kt_InterimDividendsPaidByTheParentCompany" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InterimDividendsPaidByTheParentCompany" xml:lang="en-US">Interim dividends paid by the parent company.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IncreaseDecreaseThroughChangeInConsolidationScope" xlink:label="loc_kt_IncreaseDecreaseThroughChangeInConsolidationScope" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IncreaseDecreaseThroughChangeInConsolidationScope" xml:lang="en-US">Increase Decrease Through Change In Consolidation Scope</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_IncreaseDecreaseThroughChangeInConsolidationScope" xml:lang="en-US">Change in Consolidation Scope</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IncreaseDecreaseThroughChangeInConsolidationScope" xlink:to="lab_kt_IncreaseDecreaseThroughChangeInConsolidationScope" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IncreaseDecreaseThroughChangeInConsolidationScope" xml:lang="en-US">Increase decrease through change in consolidation scope.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TransactionsWithOwners" xlink:label="loc_kt_TransactionsWithOwners" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TransactionsWithOwners" xml:lang="en-US">Transactions with Owners</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_kt_TransactionsWithOwners" xml:lang="en-US">Subtotal</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TransactionsWithOwners" xlink:to="lab_kt_TransactionsWithOwners" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TransactionsWithOwners" xml:lang="en-US">Transactions with Owners</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfCashFlowsAbstract" xlink:label="loc_ifrs-full_StatementOfCashFlowsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xml:lang="en-US">Statement of cash flows [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="lab_ifrs-full_StatementOfCashFlowsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xml:lang="en-US">Cash flows from (used in) financing activities [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xml:lang="en-US">Cash flows from financing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xml:lang="en-US">Proceeds from borrowings, classified as financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xml:lang="en-US">Proceeds from borrowings and debentures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xml:lang="en-US">Repayments of borrowings, classified as financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xml:lang="en-US">Repayments of borrowings and debentures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ProceedsFromPaymentsForSettlementOfDerivativeAssetsAndLiabilities" xlink:label="loc_kt_ProceedsFromPaymentsForSettlementOfDerivativeAssetsAndLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ProceedsFromPaymentsForSettlementOfDerivativeAssetsAndLiabilities" xml:lang="en-US">Proceeds from payments for settlement of derivative assets and liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ProceedsFromPaymentsForSettlementOfDerivativeAssetsAndLiabilities" xml:lang="en-US">Settlement of derivative assets and liabilities, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ProceedsFromPaymentsForSettlementOfDerivativeAssetsAndLiabilities" xlink:to="lab_kt_ProceedsFromPaymentsForSettlementOfDerivativeAssetsAndLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ProceedsFromPaymentsForSettlementOfDerivativeAssetsAndLiabilities" xml:lang="en-US">Proceeds from payments for settlement of derivative assets and liabilities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests" xlink:label="loc_ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests" xml:lang="en-US">Proceeds from contributions of non-controlling interests</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests" xml:lang="en-US">Cash inflow from issuance of shares to NCI</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests" xlink:to="lab_ifrs-full_ProceedsFromContributionsOfNoncontrollingInterests" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsOfOtherEquityInstruments" xlink:label="loc_ifrs-full_PaymentsOfOtherEquityInstruments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PaymentsOfOtherEquityInstruments" xml:lang="en-US">Payments of other equity instruments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_ifrs-full_PaymentsOfOtherEquityInstruments" xml:lang="en-US">Cash outflow from issuance of shares to NCI</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsOfOtherEquityInstruments" xlink:to="lab_ifrs-full_PaymentsOfOtherEquityInstruments" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" xml:lang="en-US">Other inflows (outflows) of cash, classified as financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" xml:lang="en-US">Cash inflow from other financing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xml:lang="en-US">Dividends paid, classified as financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xml:lang="en-US">Dividends paid to shareholders</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:label="loc_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xml:lang="en-US">Payments to acquire or redeem entity's shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xml:lang="en-US">Acquisition of treasury stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:to="lab_ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xml:lang="en-US">Payments of lease liabilities, classified as financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xml:lang="en-US">Repayment of leases liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xml:lang="en-US">Cash flows from (used in) financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xml:lang="en-US">Net cash outflow from financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xml:lang="en-US">Cash flows from financing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherOutflowsOfCashClassifiedAsFinancingActivities" xlink:label="loc_kt_OtherOutflowsOfCashClassifiedAsFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherOutflowsOfCashClassifiedAsFinancingActivities" xml:lang="en-US">Other Outflows Of Cash Classified As Financing Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_OtherOutflowsOfCashClassifiedAsFinancingActivities" xml:lang="en-US">Cash outflow from other financing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherOutflowsOfCashClassifiedAsFinancingActivities" xlink:to="lab_kt_OtherOutflowsOfCashClassifiedAsFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherOutflowsOfCashClassifiedAsFinancingActivities" xml:lang="en-US">Other outflows of cash classified as financing activities.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CashOutflowUnderDerivativesContractsClassifiedAsFinancingActivities" xlink:label="loc_kt_CashOutflowUnderDerivativesContractsClassifiedAsFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CashOutflowUnderDerivativesContractsClassifiedAsFinancingActivities" xml:lang="en-US">Cash Outflow Under Derivatives Contracts Classified As Financing Activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_CashOutflowUnderDerivativesContractsClassifiedAsFinancingActivities" xml:lang="en-US">Cash outflow under derivatives contracts</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CashOutflowUnderDerivativesContractsClassifiedAsFinancingActivities" xlink:to="lab_kt_CashOutflowUnderDerivativesContractsClassifiedAsFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CashOutflowUnderDerivativesContractsClassifiedAsFinancingActivities" xml:lang="en-US">Cash outflow under derivatives contracts classified as financing activities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xml:lang="en-US">Cash flows from (used in) investing activities [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xml:lang="en-US">Cash flows from investing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities" xml:lang="en-US">Cash receipts from repayment of advances and loans made to other parties, classified as investing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities" xml:lang="en-US">Collection of loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_CashReceiptsFromRepaymentOfAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities" xml:lang="en-US">Cash advances and loans made to other parties, classified as investing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities" xml:lang="en-US">Loans granted</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_CashAdvancesAndLoansMadeToOtherPartiesClassifiedAsInvestingActivities" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:label="loc_kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Proceeds from Disposal of Financial Assets at Fair Value Through Profit or Loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Disposal of financial assets at fair value through profit or loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="lab_kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Proceeds from Disposal of Financial Assets at Fair Value Through Profit or Loss</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ProceedsFromDisposalOfFinancialAssetsAtAmortizedCost" xlink:label="loc_kt_ProceedsFromDisposalOfFinancialAssetsAtAmortizedCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ProceedsFromDisposalOfFinancialAssetsAtAmortizedCost" xml:lang="en-US">Proceeds from Disposal of Financial Assets at Amortized Cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ProceedsFromDisposalOfFinancialAssetsAtAmortizedCost" xml:lang="en-US">Disposal of financial assets at amortized cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ProceedsFromDisposalOfFinancialAssetsAtAmortizedCost" xlink:to="lab_kt_ProceedsFromDisposalOfFinancialAssetsAtAmortizedCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ProceedsFromDisposalOfFinancialAssetsAtAmortizedCost" xml:lang="en-US">Proceeds from disposal of financial assets at amortized cost.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:label="loc_kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Proceeds from Disposal of Financial Assets at Fair Value Through Other Comprehensive Income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Disposal of financial assets at fair value through other comprehensive income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ProceedsFromDisposalOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Proceeds from disposal of financial assets at fair value through other comprehensive income.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:label="loc_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xml:lang="en-US">Proceeds from disposal of non-current assets or disposal groups classified as held for sale and discontinued operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xml:lang="en-US">Disposal of assets held-for-sale</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" xlink:to="lab_ifrs-full_ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" xlink:label="loc_ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" xml:lang="en-US">Proceeds from sales of investments accounted for using equity method</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" xml:lang="en-US">Disposal of investments in associates and joint ventures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" xlink:label="loc_ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" xml:lang="en-US">Purchase of interests in investments accounted for using equity method</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" xml:lang="en-US">Acquisition of investments in associates and joint ventures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:label="loc_ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xml:lang="en-US">Proceeds from disposals of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xml:lang="en-US">Disposal of property and equipment, and investment properties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:to="lab_ifrs-full_ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xml:lang="en-US">Purchase of property, plant and equipment, intangible assets other than goodwill, investment property and other non-current assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xml:lang="en-US">Acquisition of property and equipment, and investment properties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" xlink:to="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PurchaseOfFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:label="loc_kt_PurchaseOfFinancialAssetsAtFairValueThroughProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PurchaseOfFinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Purchase of Financial Assets at Fair Value Through Profit or Loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_PurchaseOfFinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Acquisition of financial assets at fair value through profit or loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PurchaseOfFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="lab_kt_PurchaseOfFinancialAssetsAtFairValueThroughProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PurchaseOfFinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Purchase of financial assets at fair value through profit or loss.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PurchaseOfFinancialAssetsAtAmortizedCost" xlink:label="loc_kt_PurchaseOfFinancialAssetsAtAmortizedCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PurchaseOfFinancialAssetsAtAmortizedCost" xml:lang="en-US">Purchase Of Financial Assets At Amortized Cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_PurchaseOfFinancialAssetsAtAmortizedCost" xml:lang="en-US">Acquisition of financial assets at amortized cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PurchaseOfFinancialAssetsAtAmortizedCost" xlink:to="lab_kt_PurchaseOfFinancialAssetsAtAmortizedCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PurchaseOfFinancialAssetsAtAmortizedCost" xml:lang="en-US">Purchase of financial assets at amortized cost.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:label="loc_kt_PurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Purchase of financial assets at fair value through other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_PurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Acquisition of financial assets at fair value through other comprehensive income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_kt_PurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PurchaseOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Purchase of financial assets at fair value through other comprehensive income.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_ProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities" xml:lang="en-US">Proceeds from sales of intangible assets, classified as investing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities" xml:lang="en-US">Disposal of intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_ProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xml:lang="en-US">Purchase of intangible assets, classified as investing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xml:lang="en-US">Acquisition of intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xml:lang="en-US">Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xml:lang="en-US">Acquisition of businesses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xml:lang="en-US">Cash flows from (used in) investing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xml:lang="en-US">Net cash outflow from investing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xml:lang="en-US">Cash flows from investing activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ProceedsFromDisposalOfRightOfUseAssets" xlink:label="loc_kt_ProceedsFromDisposalOfRightOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ProceedsFromDisposalOfRightOfUseAssets" xml:lang="en-US">Proceeds From Disposal Of Right Of Use Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ProceedsFromDisposalOfRightOfUseAssets" xml:lang="en-US">Disposal of right-of-use assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ProceedsFromDisposalOfRightOfUseAssets" xlink:to="lab_kt_ProceedsFromDisposalOfRightOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ProceedsFromDisposalOfRightOfUseAssets" xml:lang="en-US">Proceeds from disposal of right of use assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" xml:lang="en-US">Proceeds from sales or maturity of financial instruments, classified as investing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" xml:lang="en-US">Settlement of derivative assets and liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_ProceedsFromSalesOrMaturityOfFinancialInstrumentsClassifiedAsInvestingActivities" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PurchaseOfRightOfUseAssets" xlink:label="loc_kt_PurchaseOfRightOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PurchaseOfRightOfUseAssets" xml:lang="en-US">Purchase Of Right Of Use Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PurchaseOfRightOfUseAssets" xml:lang="en-US">Acquisition of right-of-use assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PurchaseOfRightOfUseAssets" xlink:to="lab_kt_PurchaseOfRightOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PurchaseOfRightOfUseAssets" xml:lang="en-US">Purchase of right of use assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="loc_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xml:lang="en-US">Cash flows from losing control of subsidiaries or other businesses, classified as investing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xml:lang="en-US">Disposal of businesses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xml:lang="en-US">Cash flows from (used in) operating activities [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xml:lang="en-US">Cash flows from operating activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperations" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperations" xml:lang="en-US">Cash flows from (used in) operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperations" xml:lang="en-US">Cash generated from operations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperations" xml:lang="en-US">Cash generated from operations (1+2+3)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperations" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperations" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsOperatingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xml:lang="en-US">Interest paid, classified as operating activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xml:lang="en-US">Interest paid</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestPaidClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_InterestPaidClassifiedAsOperatingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:label="loc_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xml:lang="en-US">Interest received, classified as operating activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xml:lang="en-US">Interest received</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsReceivedClassifiedAsOperatingActivities" xlink:label="loc_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities" xml:lang="en-US">Dividends received, classified as operating activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities" xml:lang="en-US">Dividends received</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:label="loc_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xml:lang="en-US">Income taxes paid, classified as operating activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xml:lang="en-US">Income tax paid</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xml:lang="en-US">Cash flows from (used in) operating activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xml:lang="en-US">Net cash inflow from operating activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xml:lang="en-US">Cash flows from operating activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xml:lang="en-US">Effect of exchange rate changes on cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xml:lang="en-US">Effect of exchange rate change on cash and cash equivalents</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xml:lang="en-US">Increase (decrease) in cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xml:lang="en-US">Net increase (decrease) in cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xml:lang="en-US">Net increase (decrease) in cash and cash equivalents</label>
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<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TextBlockExplanatoryAbstract" xlink:label="loc_kt_TextBlockExplanatoryAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TextBlockExplanatoryAbstract" xml:lang="en-US">Text block Explanatory [Abstract]</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TextBlockExplanatoryAbstract" xml:lang="en-US">Text block [abstract]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xml:lang="en-US">Disclosure of general information about financial statements [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory" xml:lang="en-US">General Information</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xlink:label="loc_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xml:lang="en-US">Disclosure of material accounting policy information [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory" xml:lang="en-US">Material Accounting Policies</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xml:lang="en-US">Disclosure of accounting judgements and estimates [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory" xml:lang="en-US">Critical Accounting Estimates and Assumptions</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xml:lang="en-US">Disclosure of financial instruments [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xml:lang="en-US">Financial Instruments by Category</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfRestrictedCashAndCashEquivalentsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfRestrictedCashAndCashEquivalentsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfRestrictedCashAndCashEquivalentsExplanatory" xml:lang="en-US">Disclosure of restricted cash and cash equivalents [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfRestrictedCashAndCashEquivalentsExplanatory" xml:lang="en-US">Cash and Cash Equivalents</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xml:lang="en-US">Disclosure of trade and other receivables [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xml:lang="en-US">Trade and Other Receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfOtherFinancialAssetsAndLiabilitiesExplanatory" xlink:label="loc_kt_DisclosureOfOtherFinancialAssetsAndLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfOtherFinancialAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Disclosure Of Other Financial Assets And Liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfOtherFinancialAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Other Financial Assets and Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfOtherFinancialAssetsAndLiabilitiesExplanatory" xlink:to="lab_kt_DisclosureOfOtherFinancialAssetsAndLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfOtherFinancialAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Disclosure of other financial assets and liabilities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInventoriesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfInventoriesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xml:lang="en-US">Disclosure of inventories [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfInventoriesExplanatory" xml:lang="en-US">Inventories</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInventoriesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInventoriesExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfOtherAssetsAndLiabilitiesExplanatory" xlink:label="loc_kt_DisclosureOfOtherAssetsAndLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfOtherAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Disclosure of Other Assets and Liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfOtherAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Other Assets and Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfOtherAssetsAndLiabilitiesExplanatory" xlink:to="lab_kt_DisclosureOfOtherAssetsAndLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfOtherAssetsAndLiabilitiesExplanatory" xml:lang="en-US">The disclosure of Other Assets and Liabilities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xml:lang="en-US">Disclosure of property, plant and equipment [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xml:lang="en-US">Property and Equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInvestmentPropertyExplanatory" xlink:label="loc_ifrs-full_DisclosureOfInvestmentPropertyExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfInvestmentPropertyExplanatory" xml:lang="en-US">Disclosure of investment property [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfInvestmentPropertyExplanatory" xml:lang="en-US">Investment Properties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInvestmentPropertyExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInvestmentPropertyExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xml:lang="en-US">Disclosure of intangible assets and goodwill [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xml:lang="en-US">Intangible Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsAndGoodwillExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" xlink:label="loc_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" xml:lang="en-US">Disclosure of investments accounted for using equity method [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" xml:lang="en-US">Investments in Associates and Joint Ventures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xml:lang="en-US">Disclosure of trade and other payables [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xml:lang="en-US">Trade and Other Payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTradeAndOtherPayablesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xml:lang="en-US">Disclosure of borrowings [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" xml:lang="en-US">Borrowings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBorrowingsExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfProvisionsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfProvisionsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xml:lang="en-US">Disclosure of provisions [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xml:lang="en-US">Provisions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfProvisionsExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xml:lang="en-US">Disclosure of employee benefits [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xml:lang="en-US">Net Defined Benefit Liabilities (Assets)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDefinedContributionPlansExplanatory" xlink:label="loc_ifrs-full_DisclosureOfDefinedContributionPlansExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDefinedContributionPlansExplanatory" xml:lang="en-US">Disclosure of defined contribution plans [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfDefinedContributionPlansExplanatory" xml:lang="en-US">Defined Contribution Plan</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDefinedContributionPlansExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDefinedContributionPlansExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xml:lang="en-US">Disclosure of commitments and contingent liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xml:lang="en-US">Commitments and Contingencies</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfLeasesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfLeasesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xml:lang="en-US">Disclosure of leases [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xml:lang="en-US">Leases</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfLeasesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfLeasesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfIssuedCapitalExplanatory" xlink:label="loc_ifrs-full_DisclosureOfIssuedCapitalExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfIssuedCapitalExplanatory" xml:lang="en-US">Disclosure of issued capital [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfIssuedCapitalExplanatory" xml:lang="en-US">Share Capital</label>
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<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfRetainedEarningsExplanatory" xlink:label="loc_kt_DisclosureOfRetainedEarningsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfRetainedEarningsExplanatory" xml:lang="en-US">Disclosure of Retained Earnings Explanatory</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfRetainedEarningsExplanatory" xml:lang="en-US">Retained Earnings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfRetainedEarningsExplanatory" xlink:to="lab_kt_DisclosureOfRetainedEarningsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfRetainedEarningsExplanatory" xml:lang="en-US">Disclosure of Retained Earnings Explanatory</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xlink:label="loc_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xml:lang="en-US">Disclosure of reserves within equity [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory" xml:lang="en-US">Accumulated Other Comprehensive Income and Other Components of Equity</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xml:lang="en-US">Disclosure of share-based payment arrangements [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xml:lang="en-US">Share-based Payments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfRevenueFromContractsWithCustomersAndRelevantContractAssetsAndLiabilitiesExplanatory" xlink:label="loc_kt_DisclosureOfRevenueFromContractsWithCustomersAndRelevantContractAssetsAndLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfRevenueFromContractsWithCustomersAndRelevantContractAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Disclosure of Revenue from Contracts with Customers and Relevant Contract Assets and Liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfRevenueFromContractsWithCustomersAndRelevantContractAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Revenue from Contracts with Customers, Other Income and Relevant Contract Assets and Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfRevenueFromContractsWithCustomersAndRelevantContractAssetsAndLiabilitiesExplanatory" xlink:to="lab_kt_DisclosureOfRevenueFromContractsWithCustomersAndRelevantContractAssetsAndLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfRevenueFromContractsWithCustomersAndRelevantContractAssetsAndLiabilitiesExplanatory" xml:lang="en-US">The disclosure of revenue from contracts with customers and relevant contract assets and liabilities.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfOtherIncomeExplanatoryTextBlock" xlink:label="loc_kt_DisclosureOfOtherIncomeExplanatoryTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfOtherIncomeExplanatoryTextBlock" xml:lang="en-US">Disclosure Of Other Income Explanatory [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfOtherIncomeExplanatoryTextBlock" xml:lang="en-US">Other income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfOtherIncomeExplanatoryTextBlock" xlink:to="lab_kt_DisclosureOfOtherIncomeExplanatoryTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfOtherIncomeExplanatoryTextBlock" xml:lang="en-US">Disclosure of other income explanatory.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfExpensesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfExpensesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfExpensesExplanatory" xml:lang="en-US">Disclosure of expenses [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfExpensesExplanatory" xml:lang="en-US">Operating Expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfExpensesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfExpensesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:label="loc_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xml:lang="en-US">Disclosure of finance income (cost) [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xml:lang="en-US">Financial Income and Costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfDeferredTaxesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xml:lang="en-US">Disclosure of deferred taxes [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xml:lang="en-US">Deferred Income Tax and income Tax Expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDeferredTaxesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDeferredTaxesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:label="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xml:lang="en-US">Disclosure of earnings per share [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xml:lang="en-US">Earnings per Share</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEarningsPerShareExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEarningsPerShareExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDividendsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfDividendsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDividendsExplanatory" xml:lang="en-US">Disclosure of dividends [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfDividendsExplanatory" xml:lang="en-US">Dividend</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDividendsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDividendsExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfCashGeneratedFromOperationsExplanatory" xlink:label="loc_kt_DisclosureOfCashGeneratedFromOperationsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfCashGeneratedFromOperationsExplanatory" xml:lang="en-US">Disclosure of Cash Generated From Operations [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfCashGeneratedFromOperationsExplanatory" xml:lang="en-US">Cash Generated from Operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfCashGeneratedFromOperationsExplanatory" xlink:to="lab_kt_DisclosureOfCashGeneratedFromOperationsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfCashGeneratedFromOperationsExplanatory" xml:lang="en-US">Disclosure of cash generated from operations.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xml:lang="en-US">Changes in Liabilities Arising from Financing Activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xml:lang="en-US">Disclosure of entity's operating segments [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xml:lang="en-US">Segment Information</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:label="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xml:lang="en-US">Disclosure of related party [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xml:lang="en-US">Related Party Transactions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:label="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xml:lang="en-US">Disclosure of financial risk management [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xml:lang="en-US">Financial Risk Management</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xml:lang="en-US">Disclosure of fair value measurement [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xml:lang="en-US">Fair Value</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentsAccountedForUsingEquityMethodAbstract" xlink:label="loc_ifrs-full_InvestmentsAccountedForUsingEquityMethodAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InvestmentsAccountedForUsingEquityMethodAbstract" xml:lang="en-US">Investments accounted for using equity method [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentsAccountedForUsingEquityMethodAbstract" xlink:to="lab_ifrs-full_InvestmentsAccountedForUsingEquityMethodAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory" xml:lang="en-US">Disclosure of interests in unconsolidated structured entities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory" xml:lang="en-US">Interests in Unconsolidated Structured Entities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xml:lang="en-US">Disclosure of non-controlling interests [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xml:lang="en-US">Information About Non-controlling Interests</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:label="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xml:lang="en-US">Disclosure of events after reporting period [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xml:lang="en-US">Events After the Reporting Period</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xml:lang="en-US">Disclosure of basis of preparation of financial statements [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xml:lang="en-US">Basis of Preparation</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations" xlink:label="loc_ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations" xml:lang="en-US">Disclosure of expected impact of initial application of new standards or interpretations [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations" xml:lang="en-US">Changes in Accounting Policy and Disclosures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations" xlink:to="lab_ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfBasisOfConsolidationExplanatory" xlink:label="loc_ifrs-full_DisclosureOfBasisOfConsolidationExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfBasisOfConsolidationExplanatory" xml:lang="en-US">Disclosure of basis of consolidation [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfBasisOfConsolidationExplanatory" xml:lang="en-US">Consolidation</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xml:lang="en-US">Description of accounting policy for segment reporting [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xml:lang="en-US">Segment Reporting</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xml:lang="en-US">Description of accounting policy for foreign currency translation [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xml:lang="en-US">Foreign Currency Translation</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialAssetsExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialAssetsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialAssetsExplanatory" xml:lang="en-US">Description of accounting policy for financial assets [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialAssetsExplanatory" xml:lang="en-US">Financial Assets</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xml:lang="en-US">Description of accounting policy for derivative financial instruments [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory" xml:lang="en-US">Derivative Instruments</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xml:lang="en-US">Description of accounting policy for trade and other receivables [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherReceivablesExplanatory" xml:lang="en-US">Trade Receivables</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xml:lang="en-US">Description of accounting policy for measuring inventories [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories" xml:lang="en-US">Inventories</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xml:lang="en-US">Description of accounting policy for property, plant and equipment [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xml:lang="en-US">Property and Equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory" xml:lang="en-US">Description of accounting policy for investment property [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory" xml:lang="en-US">Investment Property</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xml:lang="en-US">Description of accounting policy for intangible assets and goodwill [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xml:lang="en-US">Intangible Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForBorrowingCostsExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForBorrowingCostsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingCostsExplanatory" xml:lang="en-US">Description of accounting policy for borrowing costs [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingCostsExplanatory" xml:lang="en-US">Borrowing Costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForBorrowingCostsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForBorrowingCostsExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xml:lang="en-US">Description of accounting policy for government grants [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xml:lang="en-US">Government Grants</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" xml:lang="en-US">Description of accounting policy for impairment of non-financial assets [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" xml:lang="en-US">Impairment of Non-Financial Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xml:lang="en-US">Description of accounting policy for trade and other payables [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xml:lang="en-US">Trade and Other Payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialLiabilitiesExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialLiabilitiesExplanatory" xml:lang="en-US">Description of accounting policy for financial liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialLiabilitiesExplanatory" xml:lang="en-US">Financial Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialLiabilitiesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialGuaranteesExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialGuaranteesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialGuaranteesExplanatory" xml:lang="en-US">Description of accounting policy for financial guarantees [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialGuaranteesExplanatory" xml:lang="en-US">Financial Guarantee Contracts</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialGuaranteesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialGuaranteesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xml:lang="en-US">Description of accounting policy for employee benefits [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xml:lang="en-US">Employee Benefits</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xml:lang="en-US">Description of accounting policy for share-based payment transactions [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xml:lang="en-US">Share-based payments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xml:lang="en-US">Description of accounting policy for provisions [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xml:lang="en-US">Provisions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForProvisionsExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xml:lang="en-US">Description of accounting policy for leases [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xml:lang="en-US">Leases</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIssuedCapitalExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIssuedCapitalExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIssuedCapitalExplanatory" xml:lang="en-US">Description of accounting policy for issued capital [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIssuedCapitalExplanatory" xml:lang="en-US">Share Capital</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForIssuedCapitalExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForIssuedCapitalExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xml:lang="en-US">Description of accounting policy for recognition of revenue [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xml:lang="en-US">Revenue Recognition</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xml:lang="en-US">Description of accounting policy for income tax [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xml:lang="en-US">Current and Deferred Income Tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForDividendsExplanatory" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForDividendsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForDividendsExplanatory" xml:lang="en-US">Description of accounting policy for dividends [text block]</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfAuthorisationOfFinancialStatementsExplanatory" xml:lang="en-US">Approval on Issuance of the Consolidated Financial Statements</label>
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<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfPropertyPlantAndEquipmentEstimatedUsefulLifeExplanatory" xlink:label="loc_kt_DisclosureOfPropertyPlantAndEquipmentEstimatedUsefulLifeExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfPropertyPlantAndEquipmentEstimatedUsefulLifeExplanatory" xml:lang="en-US">Disclosure of property plant and equipment estimated useful life [Text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfPropertyPlantAndEquipmentEstimatedUsefulLifeExplanatory" xml:lang="en-US">Summary of Estimated Useful Lives of Property, Plant and Equipment</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutUsefulLivesOfIntangibleAssetsExplanatory" xml:lang="en-US">Disclosure of detailed information about useful lives of intangible assets explanatory [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutUsefulLivesOfIntangibleAssetsExplanatory" xml:lang="en-US">Summary of Amortization of Intangible Assets With Limited Useful Life</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutUsefulLivesOfIntangibleAssetsExplanatory" xml:lang="en-US">The disclosure of detailed information about useful lives of intangible assets.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfInstrumentsByCategoryExplanatory" xlink:label="loc_kt_DisclosureOfInstrumentsByCategoryExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfInstrumentsByCategoryExplanatory" xml:lang="en-US">Disclosure Of Instruments By Category [table text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfInstrumentsByCategoryExplanatory" xml:lang="en-US">Summary of Financial Instruments by Category</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfInstrumentsByCategoryExplanatory" xml:lang="en-US">The disclosure of instruments by category</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfGainLossOnFinancialInstrumentsExplanatory" xlink:label="loc_kt_DisclosureOfGainLossOnFinancialInstrumentsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfGainLossOnFinancialInstrumentsExplanatory" xml:lang="en-US">Disclosure of gain loss on financial instruments [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfGainLossOnFinancialInstrumentsExplanatory" xml:lang="en-US">Summary of Gains or Losses Arising From Financial Instruments by Category</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfGainLossOnFinancialInstrumentsExplanatory" xml:lang="en-US">The disclosure of gain loss on financial instruments.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDetailsOfRestrictedCashAndCashEquivalentsExplanatory" xlink:label="loc_kt_DisclosureOfDetailsOfRestrictedCashAndCashEquivalentsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailsOfRestrictedCashAndCashEquivalentsExplanatory" xml:lang="en-US">Disclosure of details of restricted cash and cash equivalents [table text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDetailsOfRestrictedCashAndCashEquivalentsExplanatory" xml:lang="en-US">Summary of Restricted Cash and Cash Equivalents</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailsOfRestrictedCashAndCashEquivalentsExplanatory" xml:lang="en-US">The disclosure of details of restricted cash and cash equivalents.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory" xlink:label="loc_kt_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory" xml:lang="en-US">Disclosure of detailed information about trade and other receivables [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory" xml:lang="en-US">Summary of Trade and Other Receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory" xlink:to="lab_kt_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory" xml:lang="en-US">The disclosure of detailed information about trade and other receivables.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfChangesInAllowanceForDoubtfulAccountsExplanatory" xlink:label="loc_kt_DisclosureOfChangesInAllowanceForDoubtfulAccountsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfChangesInAllowanceForDoubtfulAccountsExplanatory" xml:lang="en-US">Disclosure of changes in allowance for doubtful accounts [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfChangesInAllowanceForDoubtfulAccountsExplanatory" xml:lang="en-US">Summary of Changes in Provision for Impairment</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfChangesInAllowanceForDoubtfulAccountsExplanatory" xml:lang="en-US">The disclosure of changes in allowance for doubtful accounts.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfOtherReceivablesExplanatory" xlink:label="loc_kt_DisclosureOfOtherReceivablesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfOtherReceivablesExplanatory" xml:lang="en-US">Disclosure of other receivables [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfOtherReceivablesExplanatory" xml:lang="en-US">Summary of Other Receivables</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfOtherReceivablesExplanatory" xml:lang="en-US">The disclosure of other receivables.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDetailsOfOtherFinancialAssetsAndLiabilitiesExplanatory" xlink:label="loc_kt_DisclosureOfDetailsOfOtherFinancialAssetsAndLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailsOfOtherFinancialAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Disclosure Of Details Of Other Financial Assets And Liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDetailsOfOtherFinancialAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Summary of Other Financial Assets and Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDetailsOfOtherFinancialAssetsAndLiabilitiesExplanatory" xlink:to="lab_kt_DisclosureOfDetailsOfOtherFinancialAssetsAndLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailsOfOtherFinancialAssetsAndLiabilitiesExplanatory" xml:lang="en-US">The disclosure of details of other financial assets and liabilities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xml:lang="en-US">Disclosure of financial assets [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xml:lang="en-US">Summary of Financial Assets at Fair Value Through Profit or Loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xml:lang="en-US">Summary of Details of Changes in Provisions for Impairment of Trade Receivables and Other Financial Assets at Amortized Costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory" xlink:label="loc_kt_DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory" xml:lang="en-US">Disclosure of detailed information about financial assets at fair value through other comprehensive income explanatory</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory" xml:lang="en-US">Summary of Financial Assets at Fair Value Through Other Comprehensive Income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory" xlink:to="lab_kt_DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory" xml:lang="en-US">Disclosure of detailed information about financial assets at fair value through other comprehensive income.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xml:lang="en-US">Disclosure of derivative financial instruments [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xml:lang="en-US">Summary of Derivative Financial Assets and Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfValuationGainsAndLossesOnTheDerivativesContractsExplanatory" xlink:label="loc_kt_DisclosureOfValuationGainsAndLossesOnTheDerivativesContractsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfValuationGainsAndLossesOnTheDerivativesContractsExplanatory" xml:lang="en-US">Disclosure of valuation gains and losses on the derivatives contracts [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfValuationGainsAndLossesOnTheDerivativesContractsExplanatory" xml:lang="en-US">Summary of Valuation Gains and Losses on Derivatives Contracts</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfValuationGainsAndLossesOnTheDerivativesContractsExplanatory" xml:lang="en-US">The disclosure of valuation gains and losses on the derivatives contracts.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xml:lang="en-US">Disclosure of financial liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xml:lang="en-US">Summary of Financial Liabilities at Fair Value Through Profit or Loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfValuationGainsAndLossesOnFinancialLiabilitiesAtFairValueThroughProfitOrLossExpalanatory" xlink:label="loc_kt_DisclosureOfValuationGainsAndLossesOnFinancialLiabilitiesAtFairValueThroughProfitOrLossExpalanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfValuationGainsAndLossesOnFinancialLiabilitiesAtFairValueThroughProfitOrLossExpalanatory" xml:lang="en-US">Disclosure of valuation gains and losses on financial Liabilities at fair value through profit or loss [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfValuationGainsAndLossesOnFinancialLiabilitiesAtFairValueThroughProfitOrLossExpalanatory" xml:lang="en-US">Summary of Valuation Gain and Loss on Financial Liabilities at Fair Value Through Profit or Loss</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory" xml:lang="en-US">Disclosure of detailed information about hedging instruments [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsExplanatory" xml:lang="en-US">Summary of Hedging instruments</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsExplanatory" xml:lang="en-US">Disclosure of detailed information about hedged items [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsExplanatory" xml:lang="en-US">Summary of Hedged items</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfInventoriesNetExplanatory" xlink:label="loc_kt_DisclosureOfInventoriesNetExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfInventoriesNetExplanatory" xml:lang="en-US">Disclosure of inventories net [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfInventoriesNetExplanatory" xml:lang="en-US">Summary of Inventories Net</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfInventoriesNetExplanatory" xml:lang="en-US">The disclosure of inventories net.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDetailedInformationOfOtherAssetsAndLiabilitiesExplanatory" xlink:label="loc_kt_DisclosureOfDetailedInformationOfOtherAssetsAndLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailedInformationOfOtherAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Disclosure of detailed information of other assets and liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDetailedInformationOfOtherAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Summary of Other Assets and Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDetailedInformationOfOtherAssetsAndLiabilitiesExplanatory" xlink:to="lab_kt_DisclosureOfDetailedInformationOfOtherAssetsAndLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailedInformationOfOtherAssetsAndLiabilitiesExplanatory" xml:lang="en-US">The disclosure of detailed information of other assets and liabilities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xml:lang="en-US">Summary of Changes in Property and Equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutInvestmentPropertyExplanatory" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutInvestmentPropertyExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutInvestmentPropertyExplanatory" xml:lang="en-US">Disclosure of detailed information about investment property [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutInvestmentPropertyExplanatory" xml:lang="en-US">Summary of Investment Properties</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xml:lang="en-US">Disclosure of detailed information about intangible assets [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xml:lang="en-US">Summary of Intangible Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" xml:lang="en-US">Disclosure of information for cash-generating units [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" xml:lang="en-US">Summary of Goodwill Allocated to Each Cash-Generation Unit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xml:lang="en-US">Disclosure of associates [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xml:lang="en-US">Summary of Details of Associates</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfChangeInInvestmentsInAssociatesAndJointVenturesExplanatory" xlink:label="loc_kt_DisclosureOfChangeInInvestmentsInAssociatesAndJointVenturesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfChangeInInvestmentsInAssociatesAndJointVenturesExplanatory" xml:lang="en-US">Disclosure of change in investments in associates and joint ventures [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfChangeInInvestmentsInAssociatesAndJointVenturesExplanatory" xml:lang="en-US">Summary of Changes in Investments in Associates and Joint Ventures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfChangeInInvestmentsInAssociatesAndJointVenturesExplanatory" xlink:to="lab_kt_DisclosureOfChangeInInvestmentsInAssociatesAndJointVenturesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfChangeInInvestmentsInAssociatesAndJointVenturesExplanatory" xml:lang="en-US">The disclosure of change in investments in associates and joint ventures.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfFinancialInformationAboutAssociatesAndJointVenturesExplanatory" xlink:label="loc_kt_DisclosureOfFinancialInformationAboutAssociatesAndJointVenturesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfFinancialInformationAboutAssociatesAndJointVenturesExplanatory" xml:lang="en-US">Disclosure of financial information about associates and joint ventures [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfFinancialInformationAboutAssociatesAndJointVenturesExplanatory" xml:lang="en-US">Summary of Financial Information of Associates and Joint Ventures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfFinancialInformationAboutAssociatesAndJointVenturesExplanatory" xlink:to="lab_kt_DisclosureOfFinancialInformationAboutAssociatesAndJointVenturesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfFinancialInformationAboutAssociatesAndJointVenturesExplanatory" xml:lang="en-US">The disclosure of financial information about associates and joint ventures.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfReconciliationBetweenInvestmentDerecognisedAndAssetsAndLiabilitiesRecognisedTransitionFromEquityMethodToAccountingForAssetsAndLiabilitiesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfReconciliationBetweenInvestmentDerecognisedAndAssetsAndLiabilitiesRecognisedTransitionFromEquityMethodToAccountingForAssetsAndLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfReconciliationBetweenInvestmentDerecognisedAndAssetsAndLiabilitiesRecognisedTransitionFromEquityMethodToAccountingForAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Disclosure of reconciliation between investment derecognised and assets and liabilities recognised, transition from equity method to accounting for assets and liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfReconciliationBetweenInvestmentDerecognisedAndAssetsAndLiabilitiesRecognisedTransitionFromEquityMethodToAccountingForAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Summary of Reconciliation of Carrying Amount of Interests in the Associates and Joint Ventures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationBetweenInvestmentDerecognisedAndAssetsAndLiabilitiesRecognisedTransitionFromEquityMethodToAccountingForAssetsAndLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReconciliationBetweenInvestmentDerecognisedAndAssetsAndLiabilitiesRecognisedTransitionFromEquityMethodToAccountingForAssetsAndLiabilitiesExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatory" xlink:label="loc_kt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatory" xml:lang="en-US">Disclosure of detailed information about trade and other payables [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatory" xml:lang="en-US">Summary of Trade and Other Payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatory" xlink:to="lab_kt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatory" xml:lang="en-US">The disclosure of detailed information about trade and other payables.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfOtherPayablesExplanatory" xlink:label="loc_kt_DisclosureOfOtherPayablesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfOtherPayablesExplanatory" xml:lang="en-US">Disclosure of Other Payables [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfOtherPayablesExplanatory" xml:lang="en-US">Summary of Other Payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfOtherPayablesExplanatory" xlink:to="lab_kt_DisclosureOfOtherPayablesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfOtherPayablesExplanatory" xml:lang="en-US">The disclosure of other payables.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xml:lang="en-US">Disclosure of detailed information about borrowings [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xml:lang="en-US">Summary of Borrowings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfShortTermBorrowingsExplanatory" xlink:label="loc_kt_DisclosureOfShortTermBorrowingsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfShortTermBorrowingsExplanatory" xml:lang="en-US">Disclosure of Short Term Borrowings [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfShortTermBorrowingsExplanatory" xml:lang="en-US">Summary of Short-term Borrowings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfShortTermBorrowingsExplanatory" xlink:to="lab_kt_DisclosureOfShortTermBorrowingsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfShortTermBorrowingsExplanatory" xml:lang="en-US">The disclosure of short term borrowings.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfLongTermBorrowingsExplanatory" xlink:label="loc_kt_DisclosureOfLongTermBorrowingsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfLongTermBorrowingsExplanatory" xml:lang="en-US">Disclosure of Long Term Borrowings Explanatory</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfLongTermBorrowingsExplanatory" xml:lang="en-US">Summary of Long-term Borrowings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfLongTermBorrowingsExplanatory" xlink:to="lab_kt_DisclosureOfLongTermBorrowingsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfLongTermBorrowingsExplanatory" xml:lang="en-US">The disclosure of long term borrowings.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfRepaymentScheduleOfBorrowingsExplanatory" xlink:label="loc_kt_DisclosureOfRepaymentScheduleOfBorrowingsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfRepaymentScheduleOfBorrowingsExplanatory" xml:lang="en-US">Disclosure Of Repayment Schedule Of Borrowings Explanatory</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfRepaymentScheduleOfBorrowingsExplanatory" xml:lang="en-US">Summary of Repayment of Borrowings Including the Current Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfRepaymentScheduleOfBorrowingsExplanatory" xlink:to="lab_kt_DisclosureOfRepaymentScheduleOfBorrowingsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfRepaymentScheduleOfBorrowingsExplanatory" xml:lang="en-US">The disclosure of repayment schedule of borrowings.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDetailedInformationAboutKoreanWonAndForeignCurrencyBorrowingsExplanatoryTableTextBlock" xlink:label="loc_kt_DisclosureOfDetailedInformationAboutKoreanWonAndForeignCurrencyBorrowingsExplanatoryTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutKoreanWonAndForeignCurrencyBorrowingsExplanatoryTableTextBlock" xml:lang="en-US">Disclosure Of Detailed Information About Korean Won And Foreign Currency Borrowings Explanatory [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutKoreanWonAndForeignCurrencyBorrowingsExplanatoryTableTextBlock" xml:lang="en-US">Summary of Korean Won and Foreign Currency Borrowings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDetailedInformationAboutKoreanWonAndForeignCurrencyBorrowingsExplanatoryTableTextBlock" xlink:to="lab_kt_DisclosureOfDetailedInformationAboutKoreanWonAndForeignCurrencyBorrowingsExplanatoryTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutKoreanWonAndForeignCurrencyBorrowingsExplanatoryTableTextBlock" xml:lang="en-US">Disclosure of detailed information about korean won and foreign currency borrowings explanatory table text block.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xml:lang="en-US">Disclosure of other provisions [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xml:lang="en-US">Summary of Changes in Provisions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_StatementsTable" xlink:label="loc_kt_StatementsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_StatementsTable" xml:lang="en-US">Statements [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_StatementsTable" xlink:to="lab_kt_StatementsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xlink:label="loc_ifrs-full_NetDefinedBenefitLiabilityAssetAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xml:lang="en-US">Net defined benefit liability (asset) [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xml:lang="en-US">Net defined benefit liability (asset) [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xlink:to="lab_ifrs-full_NetDefinedBenefitLiabilityAssetAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetDefinedBenefitLiabilityAssetDomain" xlink:label="loc_ifrs-full_NetDefinedBenefitLiabilityAssetDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NetDefinedBenefitLiabilityAssetDomain" xml:lang="en-US">Net defined benefit liability (asset) [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NetDefinedBenefitLiabilityAssetDomain" xml:lang="en-US">Net defined benefit liability (asset) [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDefinedBenefitLiabilityAssetDomain" xlink:to="lab_ifrs-full_NetDefinedBenefitLiabilityAssetDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_StatementsLineItems" xlink:label="loc_kt_StatementsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_StatementsLineItems" xml:lang="en-US">Statements [Line Items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_StatementsLineItems" xml:lang="en-US">Statement [LineItems]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_StatementsLineItems" xlink:to="lab_kt_StatementsLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xlink:label="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xml:lang="en-US">Disclosure of net defined benefit liability (asset) [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xml:lang="en-US">Summary of Amount Recognized in the Statements of Financial Position and Defined Benefit Obligations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfAdditionalInformationAboutDefinedBenefitPlansExplanatory" xlink:label="loc_ifrs-full_DisclosureOfAdditionalInformationAboutDefinedBenefitPlansExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfAdditionalInformationAboutDefinedBenefitPlansExplanatory" xml:lang="en-US">Disclosure of additional information about defined benefit plans [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfAdditionalInformationAboutDefinedBenefitPlansExplanatory" xml:lang="en-US">Summary of Amounts Recognized in the Consolidated Statements of Operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAdditionalInformationAboutDefinedBenefitPlansExplanatory" xlink:to="lab_ifrs-full_DisclosureOfAdditionalInformationAboutDefinedBenefitPlansExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfActuarialAssumptionOfDiscountRatesExplanatoryTextBlock" xlink:label="loc_kt_DisclosureOfActuarialAssumptionOfDiscountRatesExplanatoryTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfActuarialAssumptionOfDiscountRatesExplanatoryTextBlock" xml:lang="en-US">Disclosure Of Actuarial Assumption Of Discount Rates Explanatory [Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfActuarialAssumptionOfDiscountRatesExplanatoryTextBlock" xml:lang="en-US">Summary of Principal Actuarial Assumptions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfActuarialAssumptionOfDiscountRatesExplanatoryTextBlock" xlink:to="lab_kt_DisclosureOfActuarialAssumptionOfDiscountRatesExplanatoryTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfActuarialAssumptionOfDiscountRatesExplanatoryTextBlock" xml:lang="en-US">Disclosure of actuarial assumption of discount rates explanatory.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xml:lang="en-US">Disclosure of sensitivity analysis for actuarial assumptions [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xml:lang="en-US">Summary of Sensitivity of the Defined Benefit Obligations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfExpectedMaturityAnalysisOfUndiscountedPensionBenefitsExplanatory" xlink:label="loc_kt_DisclosureOfExpectedMaturityAnalysisOfUndiscountedPensionBenefitsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfExpectedMaturityAnalysisOfUndiscountedPensionBenefitsExplanatory" xml:lang="en-US">Disclosure Of Expected Maturity Analysis Of Undiscounted Pension Benefits Explanatory</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfExpectedMaturityAnalysisOfUndiscountedPensionBenefitsExplanatory" xml:lang="en-US">Summary of Expected Maturity Analysis of Undiscounted Pension Benefits</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfExpectedMaturityAnalysisOfUndiscountedPensionBenefitsExplanatory" xlink:to="lab_kt_DisclosureOfExpectedMaturityAnalysisOfUndiscountedPensionBenefitsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfExpectedMaturityAnalysisOfUndiscountedPensionBenefitsExplanatory" xml:lang="en-US">The disclosure of expected maturity analysis of undiscounted pension benefits.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfChangesInDefinedBenefitObligationsExplanatory" xlink:label="loc_kt_DisclosureOfChangesInDefinedBenefitObligationsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfChangesInDefinedBenefitObligationsExplanatory" xml:lang="en-US">Disclosure Of Changes In Defined Benefit Obligations Explanatory</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfChangesInDefinedBenefitObligationsExplanatory" xml:lang="en-US">Summary of Changes in the Defined Benefit Obligations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfChangesInDefinedBenefitObligationsExplanatory" xlink:to="lab_kt_DisclosureOfChangesInDefinedBenefitObligationsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfChangesInDefinedBenefitObligationsExplanatory" xml:lang="en-US">The disclosure of changes in defined benefit obligations.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfCommitmentsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsExplanatory" xml:lang="en-US">Disclosure of commitments [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsExplanatory" xml:lang="en-US">Summary Of Major Commitments With Local Financial Institutions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCommitmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCommitmentsExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfGuaranteesReceivedFromFinancialInstitutionsExplanatory" xlink:label="loc_kt_DisclosureOfGuaranteesReceivedFromFinancialInstitutionsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfGuaranteesReceivedFromFinancialInstitutionsExplanatory" xml:lang="en-US">Disclosure of guarantees received from financial institutions [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfGuaranteesReceivedFromFinancialInstitutionsExplanatory" xml:lang="en-US">Summary of Guarantees Received from Financial Institutions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfGuaranteesReceivedFromFinancialInstitutionsExplanatory" xlink:to="lab_kt_DisclosureOfGuaranteesReceivedFromFinancialInstitutionsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfGuaranteesReceivedFromFinancialInstitutionsExplanatory" xml:lang="en-US">The disclosure of guarantees received from financial institutions.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfFinancialGuaranteesExplanatory" xlink:label="loc_kt_DisclosureOfFinancialGuaranteesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfFinancialGuaranteesExplanatory" xml:lang="en-US">Disclosure of Financial Guarantees Explanatory [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfFinancialGuaranteesExplanatory" xml:lang="en-US">Summary Of Guarantees Provided By The Group For Third Party</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfFinancialGuaranteesExplanatory" xlink:to="lab_kt_DisclosureOfFinancialGuaranteesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfFinancialGuaranteesExplanatory" xml:lang="en-US">The disclosure of financial guarantees.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralExplanatory" xlink:label="loc_kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralExplanatory" xml:lang="en-US">Disclosure Of Investment Properties Provided As Collateral Explanatory</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralExplanatory" xlink:to="lab_kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralExplanatory" xml:lang="en-US">Disclosure of investment properties provided as collateral explanatory.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeTableTextBlock" xlink:label="loc_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeTableTextBlock" xml:lang="en-US">Disclosure of balance sheet information about leases for lessee [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeTableTextBlock" xml:lang="en-US">Summary of balance sheet information about leases for lessee</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeTableTextBlock" xlink:to="lab_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeTableTextBlock" xml:lang="en-US">Disclosure of balance sheet information about leases for lessee</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeTableTextBlock" xlink:label="loc_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeTableTextBlock" xml:lang="en-US">Disclosure of statement of profit or loss information about leases for lessee [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeTableTextBlock" xml:lang="en-US">Summary of statement of profit or loss information about leases for lessee</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeTableTextBlock" xlink:to="lab_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeTableTextBlock" xml:lang="en-US">Disclosure of statement of profit or loss information about leases for lessee</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xml:lang="en-US">Disclosure of classes of share capital [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xml:lang="en-US">Summary of Share Capital</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureDetailedInformationAboutRetainedEarningsExplanatory" xlink:label="loc_kt_DisclosureDetailedInformationAboutRetainedEarningsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureDetailedInformationAboutRetainedEarningsExplanatory" xml:lang="en-US">Disclosure Detailed Information About Retained Earnings Explanatory</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureDetailedInformationAboutRetainedEarningsExplanatory" xml:lang="en-US">Summary of Retained Earnings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureDetailedInformationAboutRetainedEarningsExplanatory" xlink:to="lab_kt_DisclosureDetailedInformationAboutRetainedEarningsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureDetailedInformationAboutRetainedEarningsExplanatory" xml:lang="en-US">Disclosure Detailed Information About Retained Earnings Explanatory</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfAccumulatedOtherComprehensiveIncomeExplanatory" xlink:label="loc_kt_DisclosureOfAccumulatedOtherComprehensiveIncomeExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfAccumulatedOtherComprehensiveIncomeExplanatory" xml:lang="en-US">Disclosure Of Accumulated Other Comprehensive Income [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfAccumulatedOtherComprehensiveIncomeExplanatory" xml:lang="en-US">Summary of Accumulated Other Comprehensive Income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfAccumulatedOtherComprehensiveIncomeExplanatory" xlink:to="lab_kt_DisclosureOfAccumulatedOtherComprehensiveIncomeExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfAccumulatedOtherComprehensiveIncomeExplanatory" xml:lang="en-US">Disclosure of detailed information of accumulated other comprehensive income.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfChangesInAccumulatedOtherComprehensiveIncomeLossExplanatory" xlink:label="loc_kt_DisclosureOfChangesInAccumulatedOtherComprehensiveIncomeLossExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfChangesInAccumulatedOtherComprehensiveIncomeLossExplanatory" xml:lang="en-US">Disclosure Of Changes In Accumulated Other Comprehensive Income Loss Explanatory</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfChangesInAccumulatedOtherComprehensiveIncomeLossExplanatory" xml:lang="en-US">Summary of Changes in Accumulated Other Comprehensive Income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfChangesInAccumulatedOtherComprehensiveIncomeLossExplanatory" xlink:to="lab_kt_DisclosureOfChangesInAccumulatedOtherComprehensiveIncomeLossExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfChangesInAccumulatedOtherComprehensiveIncomeLossExplanatory" xml:lang="en-US">Disclosure of changes in accumulated other comprehensive income loss explanatory.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfOtherComponentsOfEquityExplanatory" xlink:label="loc_kt_DisclosureOfOtherComponentsOfEquityExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfOtherComponentsOfEquityExplanatory" xml:lang="en-US">Disclosure Of Other Components Of Equity [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfOtherComponentsOfEquityExplanatory" xml:lang="en-US">Summary of Other Components of Equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfOtherComponentsOfEquityExplanatory" xlink:to="lab_kt_DisclosureOfOtherComponentsOfEquityExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfOtherComponentsOfEquityExplanatory" xml:lang="en-US">The disclosure of other components of equity.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTreasurySharesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfTreasurySharesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTreasurySharesExplanatory" xml:lang="en-US">Disclosure of treasury shares [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfTreasurySharesExplanatory" xml:lang="en-US">Summary of Treasury Stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTreasurySharesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTreasurySharesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory" xml:lang="en-US">Summary of Details of Share-Based Payments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xml:lang="en-US">Disclosure of number and weighted average exercise prices of share options [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xml:lang="en-US">Summary of Changes in the Number of Stock Options and the Weighted-Average Exercise Price</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xlink:label="loc_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xml:lang="en-US">Disclosure of revenue from contracts with customers [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xml:lang="en-US">Detail Explanation of Revenue And Other Income in the consolidated Statement of operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRevenueFromContractsWithCustomersExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfOperatingRevenueExplanatory" xlink:label="loc_kt_DisclosureOfOperatingRevenueExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfOperatingRevenueExplanatory" xml:lang="en-US">Disclosure of Operating Revenue Explanatory [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfOperatingRevenueExplanatory" xml:lang="en-US">Detail Explanation of Operating Revenues And Other Income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfOperatingRevenueExplanatory" xlink:to="lab_kt_DisclosureOfOperatingRevenueExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfOperatingRevenueExplanatory" xml:lang="en-US">Disclosure of operating revenue.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory" xlink:label="loc_ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory" xml:lang="en-US">Explanation of significant changes in contract assets and contract liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory" xml:lang="en-US">Detail Analysis of Contract with Customer Assets and Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory" xlink:to="lab_ifrs-full_ExplanationOfSignificantChangesInContractAssetsAndContractLiabilitiesExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfContractCostsRecognizedAsAssetsExplanatory" xlink:label="loc_kt_DisclosureOfContractCostsRecognizedAsAssetsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfContractCostsRecognizedAsAssetsExplanatory" xml:lang="en-US">Disclosure of contract costs recognized as assets [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfContractCostsRecognizedAsAssetsExplanatory" xml:lang="en-US">Detail Analysis of Contract Costs Recognized as Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfContractCostsRecognizedAsAssetsExplanatory" xlink:to="lab_kt_DisclosureOfContractCostsRecognizedAsAssetsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfContractCostsRecognizedAsAssetsExplanatory" xml:lang="en-US">Disclosure of contract costs recognized as assets.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfRevenueRecognizedRelatedToContractLiabilitiesTextBlock" xlink:label="loc_kt_DisclosureOfRevenueRecognizedRelatedToContractLiabilitiesTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfRevenueRecognizedRelatedToContractLiabilitiesTextBlock" xml:lang="en-US">Disclosure of revenue recognized related to contract liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfRevenueRecognizedRelatedToContractLiabilitiesTextBlock" xml:lang="en-US">Detail of Revenue Arising from Carried-Forward Contract Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfRevenueRecognizedRelatedToContractLiabilitiesTextBlock" xlink:to="lab_kt_DisclosureOfRevenueRecognizedRelatedToContractLiabilitiesTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfRevenueRecognizedRelatedToContractLiabilitiesTextBlock" xml:lang="en-US">Disclosure of revenue recognized related to contract liabilities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory" xlink:label="loc_ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory" xml:lang="en-US">Disclosure of other operating income [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory" xml:lang="en-US">Summary Of Other Income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherOperatingIncomeExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDetailedInformationAboutOperatingCostsExplanatory" xlink:label="loc_kt_DisclosureOfDetailedInformationAboutOperatingCostsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutOperatingCostsExplanatory" xml:lang="en-US">Disclosure of detailed information about operating costs explanatory</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutOperatingCostsExplanatory" xml:lang="en-US">Summary of Operating Expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDetailedInformationAboutOperatingCostsExplanatory" xlink:to="lab_kt_DisclosureOfDetailedInformationAboutOperatingCostsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutOperatingCostsExplanatory" xml:lang="en-US">Disclosure of detailed information about operating costs explanatory</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfShortTermEmployeeBenefitsExpenseExplanatory" xlink:label="loc_kt_DisclosureOfShortTermEmployeeBenefitsExpenseExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfShortTermEmployeeBenefitsExpenseExplanatory" xml:lang="en-US">Disclosure Of Short Term Employee Benefits Expense [table text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfShortTermEmployeeBenefitsExpenseExplanatory" xml:lang="en-US">Summary of Details of Salaries and Wages</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfShortTermEmployeeBenefitsExpenseExplanatory" xlink:to="lab_kt_DisclosureOfShortTermEmployeeBenefitsExpenseExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfShortTermEmployeeBenefitsExpenseExplanatory" xml:lang="en-US">Disclosure of short term employee benefits expense explanatory.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinanceIncomeExplanatory" xlink:label="loc_ifrs-full_DisclosureOfFinanceIncomeExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinanceIncomeExplanatory" xml:lang="en-US">Disclosure of finance income [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinanceIncomeExplanatory" xml:lang="en-US">Summary of Details of Financial Income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinanceIncomeExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinanceIncomeExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:label="loc_ifrs-full_DisclosureOfFinanceCostExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinanceCostExplanatory" xml:lang="en-US">Disclosure of finance cost [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinanceCostExplanatory" xml:lang="en-US">Summary of Details of Financial Costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinanceCostExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinanceCostExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDeferredTaxLiabilityAssetExplanatory" xlink:label="loc_kt_DisclosureOfDeferredTaxLiabilityAssetExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDeferredTaxLiabilityAssetExplanatory" xml:lang="en-US">Disclosure of deferred tax liability asset [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDeferredTaxLiabilityAssetExplanatory" xml:lang="en-US">Summary of Analysis of Deferred Tax Assets and Deferred Tax Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDeferredTaxLiabilityAssetExplanatory" xlink:to="lab_kt_DisclosureOfDeferredTaxLiabilityAssetExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDeferredTaxLiabilityAssetExplanatory" xml:lang="en-US">The disclosure of deferred tax liability asset.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfMovementInDeferredTaxAssetsAndLiabilitiesWithoutOffsettingExplanatory" xlink:label="loc_kt_DisclosureOfMovementInDeferredTaxAssetsAndLiabilitiesWithoutOffsettingExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfMovementInDeferredTaxAssetsAndLiabilitiesWithoutOffsettingExplanatory" xml:lang="en-US">Disclosure Of Movement In Deferred Tax Assets And Liabilities Without Offsetting [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfMovementInDeferredTaxAssetsAndLiabilitiesWithoutOffsettingExplanatory" xml:lang="en-US">Summary of Movement in Deferred Income Tax Assets and Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfMovementInDeferredTaxAssetsAndLiabilitiesWithoutOffsettingExplanatory" xlink:to="lab_kt_DisclosureOfMovementInDeferredTaxAssetsAndLiabilitiesWithoutOffsettingExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfMovementInDeferredTaxAssetsAndLiabilitiesWithoutOffsettingExplanatory" xml:lang="en-US">The disclosure of movement in deferred tax assets and liabilities without offsetting.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfIncomeTaxRecognizedDirectlyInEquityExplanatory" xlink:label="loc_kt_DisclosureOfIncomeTaxRecognizedDirectlyInEquityExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfIncomeTaxRecognizedDirectlyInEquityExplanatory" xml:lang="en-US">Disclosure of income tax recognized directly in equity [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfIncomeTaxRecognizedDirectlyInEquityExplanatory" xml:lang="en-US">Summary of Tax Impacts Recognized Directly To Equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfIncomeTaxRecognizedDirectlyInEquityExplanatory" xlink:to="lab_kt_DisclosureOfIncomeTaxRecognizedDirectlyInEquityExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfIncomeTaxRecognizedDirectlyInEquityExplanatory" xml:lang="en-US">The disclosure of income tax recognized directly in equity.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfIncomeTaxExpenseBenefitsExplanatory" xlink:label="loc_kt_DisclosureOfIncomeTaxExpenseBenefitsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfIncomeTaxExpenseBenefitsExplanatory" xml:lang="en-US">Disclosure Of Income Tax Expense Benefits [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfIncomeTaxExpenseBenefitsExplanatory" xml:lang="en-US">Summary of Details of Income Tax Expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfIncomeTaxExpenseBenefitsExplanatory" xlink:to="lab_kt_DisclosureOfIncomeTaxExpenseBenefitsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfIncomeTaxExpenseBenefitsExplanatory" xml:lang="en-US">The disclosure of income tax expense benefits.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesExplanatory" xlink:label="loc_kt_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesExplanatory" xml:lang="en-US">Disclosure Of Reconciliation Of Accounting Profit Multiplied By Applicable Tax Rates [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesExplanatory" xml:lang="en-US">Summary of Tax on the Group's Profit Before Tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesExplanatory" xlink:to="lab_kt_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesExplanatory" xml:lang="en-US">Disclosure Of Reconciliation Of Accounting Profit Multiplied By Applicable Tax Rates</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xml:lang="en-US">Summary of deferred tax assets and liabilities that are not recognized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDetailedInformationOfExpectedPeriodOfExpiryForUnusedTaxLossesNotRecognizedInDeferredTaxAssetsexplanatoryTableTextBlock" xlink:label="loc_kt_DisclosureOfDetailedInformationOfExpectedPeriodOfExpiryForUnusedTaxLossesNotRecognizedInDeferredTaxAssetsexplanatoryTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailedInformationOfExpectedPeriodOfExpiryForUnusedTaxLossesNotRecognizedInDeferredTaxAssetsexplanatoryTableTextBlock" xml:lang="en-US">Disclosure Of Detailed Information of Expected Period of Expiry for Unused Tax losses not Recognized in Deferred Tax Assets Explanatory [Table Text Block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDetailedInformationOfExpectedPeriodOfExpiryForUnusedTaxLossesNotRecognizedInDeferredTaxAssetsexplanatoryTableTextBlock" xml:lang="en-US">Summary of expected period of expiry for unused tax losses not recognized in deferred tax assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDetailedInformationOfExpectedPeriodOfExpiryForUnusedTaxLossesNotRecognizedInDeferredTaxAssetsexplanatoryTableTextBlock" xlink:to="lab_kt_DisclosureOfDetailedInformationOfExpectedPeriodOfExpiryForUnusedTaxLossesNotRecognizedInDeferredTaxAssetsexplanatoryTableTextBlock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailedInformationOfExpectedPeriodOfExpiryForUnusedTaxLossesNotRecognizedInDeferredTaxAssetsexplanatoryTableTextBlock" xml:lang="en-US">Disclosure Of Detailed Information of Expected Period of Expiry for Unused Tax losses not Recognized in Deferred Tax Assets [Explanatory]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EarningsPerShareExplanatory" xlink:label="loc_ifrs-full_EarningsPerShareExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xml:lang="en-US">Earnings per share [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_EarningsPerShareExplanatory" xml:lang="en-US">Summary of Basic and Diluted Earnings per Share From Operations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EarningsPerShareExplanatory" xlink:to="lab_ifrs-full_EarningsPerShareExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDetailedInformationAboutCashFlowsFromOperatingActivitiesExplanatory" xlink:label="loc_kt_DisclosureOfDetailedInformationAboutCashFlowsFromOperatingActivitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutCashFlowsFromOperatingActivitiesExplanatory" xml:lang="en-US">Disclosure Of Detailed Information About Cash Flows From Operating Activities [table text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutCashFlowsFromOperatingActivitiesExplanatory" xml:lang="en-US">Summary of Cash Flows from Operating Activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDetailedInformationAboutCashFlowsFromOperatingActivitiesExplanatory" xlink:to="lab_kt_DisclosureOfDetailedInformationAboutCashFlowsFromOperatingActivitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutCashFlowsFromOperatingActivitiesExplanatory" xml:lang="en-US">Disclosure of detailed information about cash flows from operating activities explanatory.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfSignificantTransactionsNotAffectingCashFlowsExplanatory" xlink:label="loc_kt_DisclosureOfSignificantTransactionsNotAffectingCashFlowsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfSignificantTransactionsNotAffectingCashFlowsExplanatory" xml:lang="en-US">Disclosure of significant transactions not affecting cash flows [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfSignificantTransactionsNotAffectingCashFlowsExplanatory" xml:lang="en-US">Summary of Significant Transactions not Affecting Cash Flows</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfSignificantTransactionsNotAffectingCashFlowsExplanatory" xlink:to="lab_kt_DisclosureOfSignificantTransactionsNotAffectingCashFlowsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfSignificantTransactionsNotAffectingCashFlowsExplanatory" xml:lang="en-US">The disclosure of significant transactions not affecting cash flows explanatory.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDetailedInformationAboutReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xlink:label="loc_kt_DisclosureOfDetailedInformationAboutReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xml:lang="en-US">Disclosure of detailed information about reconciliation of liabilities arising from financing activities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xml:lang="en-US">Summary of Changes in Liabilities Arising from Financial Activities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDetailedInformationAboutReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xlink:to="lab_kt_DisclosureOfDetailedInformationAboutReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory" xml:lang="en-US">Disclosure of detailed information about reconciliation of liabilities arising from financing activities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xml:lang="en-US">Disclosure of operating segments [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xml:lang="en-US">Summary of Segment Information</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:label="loc_ifrs-full_DisclosureOfGeographicalAreasExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xml:lang="en-US">Disclosure of geographical areas [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xml:lang="en-US">Summary of Operating Revenues and Non Current Assets by Geographical Regions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeographicalAreasExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGeographicalAreasExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfTransactionsBetweenRelatedPartiesOutstandingReceivablesAndPayablesExplanatory" xlink:label="loc_kt_DisclosureOfTransactionsBetweenRelatedPartiesOutstandingReceivablesAndPayablesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfTransactionsBetweenRelatedPartiesOutstandingReceivablesAndPayablesExplanatory" xml:lang="en-US">Disclosure of transactions between related parties outstanding receivables and payables [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfTransactionsBetweenRelatedPartiesOutstandingReceivablesAndPayablesExplanatory" xml:lang="en-US">Summary of Related Parties Outstanding Balances of Receivables and Payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfTransactionsBetweenRelatedPartiesOutstandingReceivablesAndPayablesExplanatory" xlink:to="lab_kt_DisclosureOfTransactionsBetweenRelatedPartiesOutstandingReceivablesAndPayablesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfTransactionsBetweenRelatedPartiesOutstandingReceivablesAndPayablesExplanatory" xml:lang="en-US">The disclosure of transactions between related parties outstanding receivables and payables.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xml:lang="en-US">Disclosure of transactions between related parties [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xml:lang="en-US">Summary of Significant Transactions With Related Parties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xml:lang="en-US">Disclosure of information about key management personnel [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xml:lang="en-US">Summary of Key Management Compensation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfFundTransactionsBetweenRelatedPartiesExplanatory" xlink:label="loc_kt_DisclosureOfFundTransactionsBetweenRelatedPartiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfFundTransactionsBetweenRelatedPartiesExplanatory" xml:lang="en-US">Disclosure Of Fund Transactions Between Related Parties Explanatory</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfFundTransactionsBetweenRelatedPartiesExplanatory" xml:lang="en-US">Summary of Fund Transactions With Related Parties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfFundTransactionsBetweenRelatedPartiesExplanatory" xlink:to="lab_kt_DisclosureOfFundTransactionsBetweenRelatedPartiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfFundTransactionsBetweenRelatedPartiesExplanatory" xml:lang="en-US">Disclosure of fund transactions between related parties.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:label="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xml:lang="en-US">Sensitivity analysis for types of market risk [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xml:lang="en-US">Summary of Exposures to Risks, Effects on Profit before Income Tax and Shareholders' Equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:to="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatory" xlink:label="loc_kt_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatory" xml:lang="en-US">Disclosure Of Financial Assets and Financial Liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatory" xml:lang="en-US">Summary of Details of Financial Assets and Liabilities in Foreign Currencies</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatory" xlink:to="lab_kt_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfFinancialAssetsAndFinancialLiabilitiesExplanatory" xml:lang="en-US">The disclosure of financial assets and financial liabilities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xlink:label="loc_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xml:lang="en-US">Disclosure of credit risk exposure [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xml:lang="en-US">Summary of Maximum Exposure to Credit Risk</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:label="loc_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xml:lang="en-US">Summary of Contractual Undiscounted Cash Flows</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" xlink:to="lab_ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xlink:label="loc_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xml:lang="en-US">Summary of Cash Outflow and Inflow of Derivatives Settled Gross or Net are Undiscounted Contractual Cash Flow</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDebtEquityRatioExplanatory" xlink:label="loc_kt_DisclosureOfDebtEquityRatioExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDebtEquityRatioExplanatory" xml:lang="en-US">Disclosure of debt equity ratio [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDebtEquityRatioExplanatory" xml:lang="en-US">Summary of Debt-to-equity Ratios</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDebtEquityRatioExplanatory" xlink:to="lab_kt_DisclosureOfDebtEquityRatioExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDebtEquityRatioExplanatory" xml:lang="en-US">The disclosure of debt equity ratio.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory" xml:lang="en-US">Disclosure of reconciliation of financial assets subject to offsetting, enforceable master netting arrangements or similar agreements to individual line items in statement of financial position [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory" xml:lang="en-US">Summary of Group's Recognized Financial Assets Subject to Enforceable Master Netting Arrangements or Similar Agreements</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory" xml:lang="en-US">Disclosure of reconciliation of financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements to individual line items in statement of financial position [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory" xml:lang="en-US">Summary of Group's Recognized Financial Liabilities Subject to Enforceable Master Netting Arrangements or Similar Agreements</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsToIndividualLineItemsInStatementOfFinancialPositionExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfProvisionMatrixExplanatory" xlink:label="loc_ifrs-full_DisclosureOfProvisionMatrixExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfProvisionMatrixExplanatory" xml:lang="en-US">Disclosure of provision matrix [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfProvisionMatrixExplanatory" xml:lang="en-US">Summary of Expected Credit Losses Reflect Forward-Looking Information</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionMatrixExplanatory" xlink:to="lab_ifrs-full_DisclosureOfProvisionMatrixExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" xlink:label="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" xml:lang="en-US">Disclosure of impairment loss and reversal of impairment loss [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" xml:lang="en-US">Summary of Impairment of Trade Receivable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" xlink:to="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xml:lang="en-US">Disclosure of allowance for credit losses [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xml:lang="en-US">Summary of Details of Changes in Provisions for Impairment of Trade Receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfRisksAxis" xlink:label="loc_ifrs-full_TypesOfRisksAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xml:lang="en-US">Types of risks [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xml:lang="en-US">Types of risks [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksAxis" xlink:to="lab_ifrs-full_TypesOfRisksAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfRisksDomain" xlink:label="loc_ifrs-full_TypesOfRisksDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xml:lang="en-US">Types of risks [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xml:lang="en-US">Risks [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksDomain" xlink:to="lab_ifrs-full_TypesOfRisksDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrencyRiskMember" xlink:label="loc_ifrs-full_CurrencyRiskMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrencyRiskMember" xml:lang="en-US">Currency risk [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrencyRiskMember" xml:lang="en-US">Currency risk [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrencyRiskMember" xlink:to="lab_ifrs-full_CurrencyRiskMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityPriceRiskMember" xlink:label="loc_ifrs-full_EquityPriceRiskMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EquityPriceRiskMember" xml:lang="en-US">Equity price risk [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_EquityPriceRiskMember" xml:lang="en-US">Equity price risk [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityPriceRiskMember" xlink:to="lab_ifrs-full_EquityPriceRiskMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestRateRiskMember" xlink:label="loc_ifrs-full_InterestRateRiskMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InterestRateRiskMember" xml:lang="en-US">Interest rate risk [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_InterestRateRiskMember" xml:lang="en-US">Interest rate risk [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateRiskMember" xlink:to="lab_ifrs-full_InterestRateRiskMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfAssetsAxis" xlink:label="loc_ifrs-full_ClassesOfAssetsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xml:lang="en-US">Classes of assets [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xml:lang="en-US">Classes of assets [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfAssetsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfAssetsDomain" xlink:label="loc_ifrs-full_ClassesOfAssetsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfAssetsDomain" xml:lang="en-US">Classes of assets [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfAssetsDomain" xml:lang="en-US">Assets [member]</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TradeReceivablesMember" xml:lang="en-US">Trade receivables [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TradeReceivablesMember" xml:lang="en-US">Trade receivables [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeReceivablesMember" xlink:to="lab_ifrs-full_TradeReceivablesMember" />
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherFinancialAssetsAtAmortizedCostMember" xml:lang="en-US">Other Financial Assets At Amortized Cost [Member]</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherFinancialAssetsAtAmortizedCostMember" xml:lang="en-US">Other Financial Assets At Amortized Cost.</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutFairValueOfFinancialInstrumentsExplanatory" xml:lang="en-US">Disclosure of detailed information about fair value of financial instruments [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutFairValueOfFinancialInstrumentsExplanatory" xml:lang="en-US">Summary of Carrying Amount and Fair Value of Financial Instruments by Category</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutFairValueOfFinancialInstrumentsExplanatory" xml:lang="en-US">The disclosure of detailed information about fair value of financial instruments.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatory" xlink:label="loc_kt_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Disclosure of Fair Value Measurement of Assets and Liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatory" xml:lang="en-US">Summary of Fair Value Hierarchy Classifications of Financial Assets and Financial Liabilities That are Measured at Fair Value</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatory" xml:lang="en-US">The disclosure of fair value measurement of assets and liabilities.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesExplanatory" xlink:label="loc_kt_DisclosureOfReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesExplanatory" xml:lang="en-US">Disclosure Of Reconciliation Of Changes In Fair Value Measurement Assets Liabilities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesExplanatory" xml:lang="en-US">Summary of Changes in Level 3 of Fair Value Hierarchy for Recurring Fair Value Measurements</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfReconciliationOfChangesInFairValueMeasurementAssetsLiabilitiesExplanatory" xml:lang="en-US">The disclosure of reconciliation of changes in fair value measurement assets liabilities.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfValuationAndInputUsedInFairValueOfFinancialInstrumentsExplanatory" xlink:label="loc_kt_DisclosureOfValuationAndInputUsedInFairValueOfFinancialInstrumentsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfValuationAndInputUsedInFairValueOfFinancialInstrumentsExplanatory" xml:lang="en-US">Disclosure Of Valuation And Input Used In Fair Value Of Financial Instruments Explanatory</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfValuationAndInputUsedInFairValueOfFinancialInstrumentsExplanatory" xml:lang="en-US">Summary of Valuation Techniques and Inputs</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfValuationAndInputUsedInFairValueOfFinancialInstrumentsExplanatory" xml:lang="en-US">The disclosure of valuation and input used in fair value of financial instruments.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesExplanatory" xml:lang="en-US">Disclosure of unconsolidated structured entities [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesExplanatory" xml:lang="en-US">Summary of Unconsolidated Structured Entities and Nature of Risks</label>
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<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfChangesInAccumulatedNoncontrollingInterestsExplanatory" xlink:label="loc_kt_DisclosureOfChangesInAccumulatedNoncontrollingInterestsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfChangesInAccumulatedNoncontrollingInterestsExplanatory" xml:lang="en-US">Disclosure Of Changes In Accumulated Noncontrolling Interests [table text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfChangesInAccumulatedNoncontrollingInterestsExplanatory" xml:lang="en-US">Summary of changes in accumulated non-controlling interests</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfChangesInAccumulatedNoncontrollingInterestsExplanatory" xlink:to="lab_kt_DisclosureOfChangesInAccumulatedNoncontrollingInterestsExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfChangesInAccumulatedNoncontrollingInterestsExplanatory" xml:lang="en-US">The disclosure of changes in accumulated non-controlling interests.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfSummarizedFinancialInformationOnSubsidiariesExplanatory" xlink:label="loc_kt_DisclosureOfSummarizedFinancialInformationOnSubsidiariesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfSummarizedFinancialInformationOnSubsidiariesExplanatory" xml:lang="en-US">Disclosure Of Summarized Financial Information On Subsidiaries [table text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfSummarizedFinancialInformationOnSubsidiariesExplanatory" xml:lang="en-US">Summary of financial information on subsidiaries</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfSummarizedFinancialInformationOnSubsidiariesExplanatory" xml:lang="en-US">The disclosure of summarized financial information on subsidiaries.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEffectsOfChangesInParentsOwnershipInterestInSubsidiaryThatDoNotResultInLossOfControlOnEquityAttributableToOwnersOfParentExplanatory" xlink:label="loc_ifrs-full_DisclosureOfEffectsOfChangesInParentsOwnershipInterestInSubsidiaryThatDoNotResultInLossOfControlOnEquityAttributableToOwnersOfParentExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfEffectsOfChangesInParentsOwnershipInterestInSubsidiaryThatDoNotResultInLossOfControlOnEquityAttributableToOwnersOfParentExplanatory" xml:lang="en-US">Disclosure of effects of changes in parent's ownership interest in subsidiary that do not result in loss of control on equity attributable to owners of parent [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfEffectsOfChangesInParentsOwnershipInterestInSubsidiaryThatDoNotResultInLossOfControlOnEquityAttributableToOwnersOfParentExplanatory" xml:lang="en-US">Summary of changes in ownership interest on the equity attributable to owners</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEffectsOfChangesInParentsOwnershipInterestInSubsidiaryThatDoNotResultInLossOfControlOnEquityAttributableToOwnersOfParentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEffectsOfChangesInParentsOwnershipInterestInSubsidiaryThatDoNotResultInLossOfControlOnEquityAttributableToOwnersOfParentExplanatory" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesExplanatory" xlink:label="loc_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesExplanatory" xml:lang="en-US">Disclosure of Summarized Consolidated Statements of Comprehensive Income of Subsidiaries Explanatory</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesExplanatory" xml:lang="en-US">Summary of consolidated statements of comprehensive income</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesExplanatory" xml:lang="en-US">Disclosure of summarized consolidated statements of comprehensive income of subsidiaries explanatory.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesExplanatory" xlink:label="loc_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesExplanatory" xml:lang="en-US">Disclosure of Summarized Consolidated Statements of Cash Flows of Subsidiaries Explanatory</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesExplanatory" xml:lang="en-US">Summary of consolidated statements of cash flows</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesExplanatory" xlink:to="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesExplanatory" xml:lang="en-US">Disclosure of summarized consolidated statements of cash flows of subsidiaries explanatory.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xlink:label="loc_ifrs-full_DisclosureOfDebtSecuritiesExplanatory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xml:lang="en-US">Disclosure of debt instruments [text block]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfDebtSecuritiesExplanatory" xml:lang="en-US">Summary of public bonds issued after reporting period</label>
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<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfGeneralInformationAbstract" xlink:label="loc_kt_DisclosureOfGeneralInformationAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfGeneralInformationAbstract" xml:lang="en-US">Disclosure of general information [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfGeneralInformationAbstract" xlink:to="lab_kt_DisclosureOfGeneralInformationAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfGeneralInformationAbstract" xml:lang="en-US">Disclosure of general information.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfGeneralInformationTable" xlink:label="loc_kt_DisclosureOfGeneralInformationTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfGeneralInformationTable" xml:lang="en-US">Disclosure of General Information [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfGeneralInformationTable" xml:lang="en-US">Disclosure of General Information [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfGeneralInformationTable" xlink:to="lab_kt_DisclosureOfGeneralInformationTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfGeneralInformationTable" xml:lang="en-US">Disclosure of General Information [table]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfGeneralInformationLineItems" xlink:label="loc_kt_DisclosureOfGeneralInformationLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfGeneralInformationLineItems" xml:lang="en-US">Disclosure of general information [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfGeneralInformationLineItems" xml:lang="en-US">Disclosure of general information [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfGeneralInformationLineItems" xlink:to="lab_kt_DisclosureOfGeneralInformationLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfGeneralInformationLineItems" xml:lang="en-US">Line item represents disclosure of general information.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInNumberOfOrdinarySharesIssued" xlink:label="loc_ifrs-full_IncreaseDecreaseInNumberOfOrdinarySharesIssued" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseInNumberOfOrdinarySharesIssued" xml:lang="en-US">Increase (decrease) in number of ordinary shares issued</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseInNumberOfOrdinarySharesIssued" xml:lang="en-US">Number of additional shares issued</label>
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<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ClassOfInstrumentAxis" xlink:label="loc_kt_ClassOfInstrumentAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ClassOfInstrumentAxis" xml:lang="en-US">Class of Instrument [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ClassOfInstrumentAxis" xlink:to="lab_kt_ClassOfInstrumentAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ClassOfInstrumentAxis" xml:lang="en-US">Class of Instrument [Axis]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ClassOfInstrumentDomain" xlink:label="loc_kt_ClassOfInstrumentDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ClassOfInstrumentDomain" xml:lang="en-US">Class of Instrument [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ClassOfInstrumentDomain" xlink:to="lab_kt_ClassOfInstrumentDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ClassOfInstrumentDomain" xml:lang="en-US">Class of Instrument [Domain]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GovernmentOwnedSharesMember" xlink:label="loc_kt_GovernmentOwnedSharesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GovernmentOwnedSharesMember" xml:lang="en-US">Government Owned shares [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GovernmentOwnedSharesMember" xml:lang="en-US">Government Owned shares [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GovernmentOwnedSharesMember" xlink:to="lab_kt_GovernmentOwnedSharesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GovernmentOwnedSharesMember" xml:lang="en-US">Government Owned shares [member]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract" xml:lang="en-US">Disclosure of subsidiaries [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xml:lang="en-US">Disclosure of subsidiaries [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xml:lang="en-US">Disclosure of subsidiaries [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xml:lang="en-US">Disclosure of subsidiaries [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xml:lang="en-US">Disclosure of subsidiaries [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NameOfSubsidiary" xlink:label="loc_ifrs-full_NameOfSubsidiary" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NameOfSubsidiary" xml:lang="en-US">Name of subsidiary</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NameOfSubsidiary" xml:lang="en-US">Subsidiary</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NameOfSubsidiary" xlink:to="lab_ifrs-full_NameOfSubsidiary" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xlink:label="loc_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xml:lang="en-US">Description of nature of entity's operations and principal activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xml:lang="en-US">Type of Business</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" xlink:to="lab_ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CountryOfIncorporationOrResidenceOfSubsidiary" xlink:label="loc_ifrs-full_CountryOfIncorporationOrResidenceOfSubsidiary" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CountryOfIncorporationOrResidenceOfSubsidiary" xml:lang="en-US">Country of incorporation of subsidiary</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CountryOfIncorporationOrResidenceOfSubsidiary" xml:lang="en-US">Location</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CountryOfIncorporationOrResidenceOfSubsidiary" xlink:to="lab_ifrs-full_CountryOfIncorporationOrResidenceOfSubsidiary" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:label="loc_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xml:lang="en-US">Proportion of ownership interest in subsidiary</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xml:lang="en-US">Controlling percentage ownership</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:to="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ClosingMonthOfSubsidiary" xlink:label="loc_kt_ClosingMonthOfSubsidiary" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ClosingMonthOfSubsidiary" xml:lang="en-US">Closing Month Of Subsidiary</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ClosingMonthOfSubsidiary" xml:lang="en-US">Closing month</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ClosingMonthOfSubsidiary" xlink:to="lab_kt_ClosingMonthOfSubsidiary" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ClosingMonthOfSubsidiary" xml:lang="en-US">Closing month of subsidiary.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:label="loc_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xml:lang="en-US">Subsidiaries [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xml:lang="en-US">Subsidiaries [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:label="loc_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xml:lang="en-US">Subsidiaries [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xml:lang="en-US">Entity's total for subsidiaries [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:to="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtLinkusCoLtdMember" xlink:label="loc_kt_KtLinkusCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtLinkusCoLtdMember" xml:lang="en-US">KT Linkus Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtLinkusCoLtdMember" xml:lang="en-US">KT Linkus Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtLinkusCoLtdMember" xlink:to="lab_kt_KtLinkusCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtLinkusCoLtdMember" xml:lang="en-US">KT Linkus Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtSubmarineCo.LtdMember" xlink:label="loc_kt_KtSubmarineCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtSubmarineCo.LtdMember" xml:lang="en-US">KT Submarine Co., Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtSubmarineCo.LtdMember" xml:lang="en-US">KT Submarine Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtSubmarineCo.LtdMember" xlink:to="lab_kt_KtSubmarineCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtSubmarineCo.LtdMember" xml:lang="en-US">KT Submarine Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtTelecopCo.LtdMember" xlink:label="loc_kt_KtTelecopCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtTelecopCo.LtdMember" xml:lang="en-US">KT Telecop Co., Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtTelecopCo.LtdMember" xml:lang="en-US">KT Telecop Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtTelecopCo.LtdMember" xlink:to="lab_kt_KtTelecopCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtTelecopCo.LtdMember" xml:lang="en-US">KT Telecop Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtServiceBukbuCo.Ltd.Member" xlink:label="loc_kt_KtServiceBukbuCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtServiceBukbuCo.Ltd.Member" xml:lang="en-US">KT Service Bukbu Co., Ltd. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtServiceBukbuCo.Ltd.Member" xml:lang="en-US">KT Service Bukbu Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtServiceBukbuCo.Ltd.Member" xlink:to="lab_kt_KtServiceBukbuCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtServiceBukbuCo.Ltd.Member" xml:lang="en-US">KT Service Bukbu Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtServiceNambuCo.LtdMember" xlink:label="loc_kt_KtServiceNambuCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtServiceNambuCo.LtdMember" xml:lang="en-US">KT Service Nambu Co., Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtServiceNambuCo.LtdMember" xml:lang="en-US">KT Service Nambu Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtServiceNambuCo.LtdMember" xlink:to="lab_kt_KtServiceNambuCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtServiceNambuCo.LtdMember" xml:lang="en-US">KT Service Nambu Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtCommerceInc.Member" xlink:label="loc_kt_KtCommerceInc.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtCommerceInc.Member" xml:lang="en-US">KT Commerce Inc. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtCommerceInc.Member" xml:lang="en-US">KT Commerce Inc. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtCommerceInc.Member" xlink:to="lab_kt_KtCommerceInc.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtCommerceInc.Member" xml:lang="en-US">KT Commerce Inc.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtStrategicInvestmentFundNumberThreeMember" xlink:label="loc_kt_KtStrategicInvestmentFundNumberThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtStrategicInvestmentFundNumberThreeMember" xml:lang="en-US">KT strategic investment fund number three [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtStrategicInvestmentFundNumberThreeMember" xml:lang="en-US">KT Strategic Investment Fund No.3 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtStrategicInvestmentFundNumberThreeMember" xlink:to="lab_kt_KtStrategicInvestmentFundNumberThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtStrategicInvestmentFundNumberThreeMember" xml:lang="en-US">KT strategic investment fund no. three.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtStrategicInvestmentFundNumberFourMember" xlink:label="loc_kt_KtStrategicInvestmentFundNumberFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtStrategicInvestmentFundNumberFourMember" xml:lang="en-US">KT strategic investment fund number four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtStrategicInvestmentFundNumberFourMember" xml:lang="en-US">KT Strategic Investment Fund No.4 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtStrategicInvestmentFundNumberFourMember" xlink:to="lab_kt_KtStrategicInvestmentFundNumberFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtStrategicInvestmentFundNumberFourMember" xml:lang="en-US">KT Strategic Investment Fund No.4</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BcVpStrategicInvestmentFundNumberOneMember" xlink:label="loc_kt_BcVpStrategicInvestmentFundNumberOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BcVpStrategicInvestmentFundNumberOneMember" xml:lang="en-US">BC VP Strategic Investment Fund Number One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_BcVpStrategicInvestmentFundNumberOneMember" xml:lang="en-US">BC-VP Strategic Investment Fund No.1 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BcVpStrategicInvestmentFundNumberOneMember" xlink:to="lab_kt_BcVpStrategicInvestmentFundNumberOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BcVpStrategicInvestmentFundNumberOneMember" xml:lang="en-US">BCVP strategic investment fund number one.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BcCardCoLtdMember" xlink:label="loc_kt_BcCardCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BcCardCoLtdMember" xml:lang="en-US">BC Card Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_BcCardCoLtdMember" xml:lang="en-US">BC Card Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BcCardCoLtdMember" xlink:to="lab_kt_BcCardCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BcCardCoLtdMember" xml:lang="en-US">BC Card Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_VpIncMember" xlink:label="loc_kt_VpIncMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_VpIncMember" xml:lang="en-US">Vp Inc [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_VpIncMember" xml:lang="en-US">VP Inc. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_VpIncMember" xlink:to="lab_kt_VpIncMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_VpIncMember" xml:lang="en-US">Vp inc.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_HAndCNetworkMember" xlink:label="loc_kt_HAndCNetworkMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_HAndCNetworkMember" xml:lang="en-US">H And C Network [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_HAndCNetworkMember" xml:lang="en-US">H&amp;C Network [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_HAndCNetworkMember" xlink:to="lab_kt_HAndCNetworkMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_HAndCNetworkMember" xml:lang="en-US">H&amp;C Network.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BcCardChinaCo.Ltd.Member" xlink:label="loc_kt_BcCardChinaCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BcCardChinaCo.Ltd.Member" xml:lang="en-US">BC Card China Co., Ltd. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_BcCardChinaCo.Ltd.Member" xml:lang="en-US">BC Card China Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BcCardChinaCo.Ltd.Member" xlink:to="lab_kt_BcCardChinaCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BcCardChinaCo.Ltd.Member" xml:lang="en-US">BC Card China Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InitechCoLtdMember" xlink:label="loc_kt_InitechCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InitechCoLtdMember" xml:lang="en-US">INITECH Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_InitechCoLtdMember" xml:lang="en-US">INITECH Co., Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InitechCoLtdMember" xlink:to="lab_kt_InitechCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InitechCoLtdMember" xml:lang="en-US">INITECH Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SmartroCoLtdMember" xlink:label="loc_kt_SmartroCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SmartroCoLtdMember" xml:lang="en-US">Smartro Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_SmartroCoLtdMember" xml:lang="en-US">Smartro Co., Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SmartroCoLtdMember" xlink:to="lab_kt_SmartroCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SmartroCoLtdMember" xml:lang="en-US">Smartro Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtdsCo.LtdMember" xlink:label="loc_kt_KtdsCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtdsCo.LtdMember" xml:lang="en-US">KTDS Co., Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtdsCo.LtdMember" xml:lang="en-US">KTDS Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtdsCo.LtdMember" xlink:to="lab_kt_KtdsCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtdsCo.LtdMember" xml:lang="en-US">KTDS Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtMAndSCo.LtdMember" xlink:label="loc_kt_KtMAndSCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtMAndSCo.LtdMember" xml:lang="en-US">KT M And S Co., Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtMAndSCo.LtdMember" xml:lang="en-US">KT M&amp;S Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtMAndSCo.LtdMember" xlink:to="lab_kt_KtMAndSCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtMAndSCo.LtdMember" xml:lang="en-US">KT M&amp;S Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtMosBukbuCoLtdMember" xlink:label="loc_kt_KtMosBukbuCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtMosBukbuCoLtdMember" xml:lang="en-US">KT MOS Bukbu Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_KtMosBukbuCoLtdMember" xml:lang="en-US">KT MOS Bukbu Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtMosBukbuCoLtdMember" xlink:to="lab_kt_KtMosBukbuCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtMosBukbuCoLtdMember" xml:lang="en-US">KT MOS Bukbu Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtMosNambuCoLtdMember" xlink:label="loc_kt_KtMosNambuCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtMosNambuCoLtdMember" xml:lang="en-US">KT MOS Nambu Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_KtMosNambuCoLtdMember" xml:lang="en-US">KT MOS Nambu Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtMosNambuCoLtdMember" xlink:to="lab_kt_KtMosNambuCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtMosNambuCoLtdMember" xml:lang="en-US">KT MOS Nambu Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KTSkylifeCoLtdMember" xlink:label="loc_kt_KTSkylifeCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KTSkylifeCoLtdMember" xml:lang="en-US">KT Skylife Co Ltd [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_KTSkylifeCoLtdMember" xml:lang="en-US">KT Skylife Co., Ltd. [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KTSkylifeCoLtdMember" xml:lang="en-US">KT Skylife Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KTSkylifeCoLtdMember" xlink:to="lab_kt_KTSkylifeCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KTSkylifeCoLtdMember" xml:lang="en-US">KT Skylife Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SkylifeTvCoLtdMember" xlink:label="loc_kt_SkylifeTvCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SkylifeTvCoLtdMember" xml:lang="en-US">Skylife tv co ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_SkylifeTvCoLtdMember" xml:lang="en-US">Skylife TV Co., Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SkylifeTvCoLtdMember" xlink:to="lab_kt_SkylifeTvCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SkylifeTvCoLtdMember" xml:lang="en-US">Skylife tv co., ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtEstateIncMember" xlink:label="loc_kt_KtEstateIncMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtEstateIncMember" xml:lang="en-US">KT Estate Inc [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtEstateIncMember" xml:lang="en-US">KT Estate Inc. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtEstateIncMember" xlink:to="lab_kt_KtEstateIncMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtEstateIncMember" xml:lang="en-US">KT Estate Inc.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtMusicContentsFundNoTwoMember" xlink:label="loc_kt_KtMusicContentsFundNoTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtMusicContentsFundNoTwoMember" xml:lang="en-US">KT Music Contents Fund No Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtMusicContentsFundNoTwoMember" xml:lang="en-US">KT Music Contents Fund No.2 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtMusicContentsFundNoTwoMember" xlink:to="lab_kt_KtMusicContentsFundNoTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtMusicContentsFundNoTwoMember" xml:lang="en-US">K T Music Contents Fund No.2.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtMichiganGlobalContentFundMember" xlink:label="loc_kt_KtMichiganGlobalContentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtMichiganGlobalContentFundMember" xml:lang="en-US">Kt michigan global content fund [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtMichiganGlobalContentFundMember" xml:lang="en-US">KT-Michigan Global Content Fund [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtMichiganGlobalContentFundMember" xlink:to="lab_kt_KtMichiganGlobalContentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtMichiganGlobalContentFundMember" xml:lang="en-US">Kt-michigan global content fund.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtcsCorporationMember" xlink:label="loc_kt_KtcsCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtcsCorporationMember" xml:lang="en-US">KTCS Corporation [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtcsCorporationMember" xml:lang="en-US">KTCS Corporation [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtcsCorporationMember" xlink:to="lab_kt_KtcsCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtcsCorporationMember" xml:lang="en-US">KTCS Corporation.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KTISCorporationMember" xlink:label="loc_kt_KTISCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KTISCorporationMember" xml:lang="en-US">KTIS Corporation [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KTISCorporationMember" xml:lang="en-US">KTIS Corporation [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KTISCorporationMember" xlink:to="lab_kt_KTISCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KTISCorporationMember" xml:lang="en-US">Ktis corporation.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtInvestmentCoLtdMember" xlink:label="loc_kt_KtInvestmentCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtInvestmentCoLtdMember" xml:lang="en-US">KT Investment Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtInvestmentCoLtdMember" xml:lang="en-US">KT Investment Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtInvestmentCoLtdMember" xlink:to="lab_kt_KtInvestmentCoLtdMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtRwandaNetworksLtdMember" xlink:label="loc_kt_KtRwandaNetworksLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtRwandaNetworksLtdMember" xml:lang="en-US">KT Rwanda Networks Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtRwandaNetworksLtdMember" xml:lang="en-US">KT Rwanda Networks Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtRwandaNetworksLtdMember" xlink:to="lab_kt_KtRwandaNetworksLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtRwandaNetworksLtdMember" xml:lang="en-US">KT Rwanda Networks Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AosLtdMember" xlink:label="loc_kt_AosLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AosLtdMember" xml:lang="en-US">AOS Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AosLtdMember" xml:lang="en-US">AOS Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AosLtdMember" xlink:to="lab_kt_AosLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AosLtdMember" xml:lang="en-US">AOS Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EastTelecomLlcMember" xlink:label="loc_kt_EastTelecomLlcMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EastTelecomLlcMember" xml:lang="en-US">East Telecom LLC [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_EastTelecomLlcMember" xml:lang="en-US">East Telecom LLC [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EastTelecomLlcMember" xlink:to="lab_kt_EastTelecomLlcMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EastTelecomLlcMember" xml:lang="en-US">East Telecom LLC.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Pt.BcCardAsiaPacificMember" xlink:label="loc_kt_Pt.BcCardAsiaPacificMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Pt.BcCardAsiaPacificMember" xml:lang="en-US">PT. BC Card Asia Pacific [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_kt_Pt.BcCardAsiaPacificMember" xml:lang="en-US">PT. BC Card Asia Pacific [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Pt.BcCardAsiaPacificMember" xlink:to="lab_kt_Pt.BcCardAsiaPacificMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_Pt.BcCardAsiaPacificMember" xml:lang="en-US">PT. BC Card Asia Pacific	.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtHongKongTelecommunicationsCoLtdMember" xlink:label="loc_kt_KtHongKongTelecommunicationsCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtHongKongTelecommunicationsCoLtdMember" xml:lang="en-US">KT Hong Kong Telecommunications Co., Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtHongKongTelecommunicationsCoLtdMember" xml:lang="en-US">KT Hong kong Telecommunications Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtHongKongTelecommunicationsCoLtdMember" xlink:to="lab_kt_KtHongKongTelecommunicationsCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtHongKongTelecommunicationsCoLtdMember" xml:lang="en-US">KT Hong Kong Telecommunications Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KoreaTelecomSingaporePteLtdMember" xlink:label="loc_kt_KoreaTelecomSingaporePteLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KoreaTelecomSingaporePteLtdMember" xml:lang="en-US">Korea Telecom Singapore Pte Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KoreaTelecomSingaporePteLtdMember" xml:lang="en-US">Korea Telecom Singapore Pte. Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KoreaTelecomSingaporePteLtdMember" xlink:to="lab_kt_KoreaTelecomSingaporePteLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KoreaTelecomSingaporePteLtdMember" xml:lang="en-US">Korea Telecom Singapore Pte.Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TexnoprosistemLlcMember" xlink:label="loc_kt_TexnoprosistemLlcMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TexnoprosistemLlcMember" xml:lang="en-US">Texnoprosistem LLC [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TexnoprosistemLlcMember" xml:lang="en-US">Texnoprosistem LLC [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TexnoprosistemLlcMember" xlink:to="lab_kt_TexnoprosistemLlcMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TexnoprosistemLlcMember" xml:lang="en-US">Texnoprosistem LLC.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_NasmediaThailandCoLtdMember" xlink:label="loc_kt_NasmediaThailandCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_NasmediaThailandCoLtdMember" xml:lang="en-US">Nasmedia Thailand Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_NasmediaThailandCoLtdMember" xml:lang="en-US">Nasmedia Thailand Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_NasmediaThailandCoLtdMember" xlink:to="lab_kt_NasmediaThailandCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_NasmediaThailandCoLtdMember" xml:lang="en-US">Nasmedia Thailand Co Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtStrategicInvestmentFundNumberFiveMember" xlink:label="loc_kt_KtStrategicInvestmentFundNumberFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtStrategicInvestmentFundNumberFiveMember" xml:lang="en-US">KT strategic investment fund number Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtStrategicInvestmentFundNumberFiveMember" xml:lang="en-US">KT Strategic Investment Fund No.5 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtStrategicInvestmentFundNumberFiveMember" xlink:to="lab_kt_KtStrategicInvestmentFundNumberFiveMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KrealtyRentalHousingReit3Member" xlink:label="loc_kt_KrealtyRentalHousingReit3Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KrealtyRentalHousingReit3Member" xml:lang="en-US">KREALTY RENTAL HOUSING REIT 3 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KrealtyRentalHousingReit3Member" xml:lang="en-US">K-REALTY RENTAL HOUSING REIT 3 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KrealtyRentalHousingReit3Member" xlink:to="lab_kt_KrealtyRentalHousingReit3Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_StorywizCoLtdMember" xlink:label="loc_kt_StorywizCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_StorywizCoLtdMember" xml:lang="en-US">Storywiz Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_kt_StorywizCoLtdMember" xml:lang="en-US">Storywiz Co., Ltd. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_StorywizCoLtdMember" xml:lang="en-US">Storywiz Co Ltd [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_StorywizCoLtdMember" xlink:to="lab_kt_StorywizCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_StorywizCoLtdMember" xml:lang="en-US">Storywiz Co Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtEngineeringCoLtdktEngcoreCoLtdMember" xlink:label="loc_kt_KtEngineeringCoLtdktEngcoreCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtEngineeringCoLtdktEngcoreCoLtdMember" xml:lang="en-US">KT Engineering Co Ltd KT ENGCORE Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtEngineeringCoLtdktEngcoreCoLtdMember" xml:lang="en-US">KT Engineering Co., Ltd. (KT ENGCORE Co., Ltd) [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtEngineeringCoLtdktEngcoreCoLtdMember" xlink:to="lab_kt_KtEngineeringCoLtdktEngcoreCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtEngineeringCoLtdktEngcoreCoLtdMember" xml:lang="en-US">KT Engineering Co., Ltd.

(KT ENGCORE Co., Ltd.) .</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtAlphaCoLtdKtHitelCoLtdMember" xlink:label="loc_kt_KtAlphaCoLtdKtHitelCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtAlphaCoLtdKtHitelCoLtdMember" xml:lang="en-US">KT Alpha Co Ltd KT Hitel Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtAlphaCoLtdKtHitelCoLtdMember" xml:lang="en-US">KT Alpha Co., Ltd. (KT Hitel Co., Ltd.) [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtAlphaCoLtdKtHitelCoLtdMember" xlink:to="lab_kt_KtAlphaCoLtdKtHitelCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtAlphaCoLtdKtHitelCoLtdMember" xml:lang="en-US">KT Alpha Co., Ltd. (KT Hitel Co., Ltd.).</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GenieMusicCorporationMember" xlink:label="loc_kt_GenieMusicCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GenieMusicCorporationMember" xml:lang="en-US">GENIE Music Corporation [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GenieMusicCorporationMember" xlink:to="lab_kt_GenieMusicCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GenieMusicCorporationMember" xml:lang="en-US">GENIE Music Corporation.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtSkylifeMember" xlink:label="loc_kt_KtSkylifeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtSkylifeMember" xml:lang="en-US">KT Skylife [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtSkylifeMember" xlink:to="lab_kt_KtSkylifeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtSkylifeMember" xml:lang="en-US">KT Skylife.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtGdhCoLtdMember" xlink:label="loc_kt_KtGdhCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtGdhCoLtdMember" xml:lang="en-US">KT GDH Co., Ltd. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtGdhCoLtdMember" xml:lang="en-US">KT GDH Co., Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtGdhCoLtdMember" xlink:to="lab_kt_KtGdhCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtGdhCoLtdMember" xml:lang="en-US">KT GDH Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_NasmediaCoLtdMember" xlink:label="loc_kt_NasmediaCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_NasmediaCoLtdMember" xml:lang="en-US">Nasmedia Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_NasmediaCoLtdMember" xml:lang="en-US">Nasmedia, Co., Ltd. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_kt_NasmediaCoLtdMember" xml:lang="en-US">Nasmedia, Co., Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_NasmediaCoLtdMember" xlink:to="lab_kt_NasmediaCoLtdMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PlaydCo.Ltd.Member" xlink:label="loc_kt_PlaydCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PlaydCo.Ltd.Member" xml:lang="en-US">PlayD Co., Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PlaydCo.Ltd.Member" xlink:to="lab_kt_PlaydCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PlaydCo.Ltd.Member" xml:lang="en-US">PlayD Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtJapanCo.Ltd.Member" xlink:label="loc_kt_KtJapanCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtJapanCo.Ltd.Member" xml:lang="en-US">KT Japan Co., Ltd. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtJapanCo.Ltd.Member" xml:lang="en-US">KT Japan Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtJapanCo.Ltd.Member" xlink:to="lab_kt_KtJapanCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtJapanCo.Ltd.Member" xml:lang="en-US">KT Japan Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtStudioGenieCoLtdMember" xlink:label="loc_kt_KtStudioGenieCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtStudioGenieCoLtdMember" xml:lang="en-US">KT Studio Genie Co., Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtStudioGenieCoLtdMember" xlink:to="lab_kt_KtStudioGenieCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtStudioGenieCoLtdMember" xml:lang="en-US">KT Studio Genie Co Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KhsCorporationMember" xlink:label="loc_kt_KhsCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KhsCorporationMember" xml:lang="en-US">KHS Corporation [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KhsCorporationMember" xlink:to="lab_kt_KhsCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KhsCorporationMember" xml:lang="en-US">KHS Corporation.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LolabCoLtdMember" xlink:label="loc_kt_LolabCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LolabCoLtdMember" xml:lang="en-US">Lolab Co., Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LolabCoLtdMember" xlink:to="lab_kt_LolabCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LolabCoLtdMember" xml:lang="en-US">Lolab Co Ltd
.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_HcnCoLtdMember" xlink:label="loc_kt_HcnCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_HcnCoLtdMember" xml:lang="en-US">HCN Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_HcnCoLtdMember" xml:lang="en-US">HCN Co., Ltd. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_HcnCoLtdMember" xml:lang="en-US">HCN Co Ltd [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_HcnCoLtdMember" xlink:to="lab_kt_HcnCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_HcnCoLtdMember" xml:lang="en-US">HCN Co Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtEsPteLtdMember" xlink:label="loc_kt_KtEsPteLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtEsPteLtdMember" xml:lang="en-US">KT ES Pte. Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtEsPteLtdMember" xlink:to="lab_kt_KtEsPteLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtEsPteLtdMember" xml:lang="en-US">KT ES Pte Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EpsilonTelecommunicationsUsPteLtdMember" xlink:label="loc_kt_EpsilonTelecommunicationsUsPteLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EpsilonTelecommunicationsUsPteLtdMember" xml:lang="en-US">Epsilon Telecommunications US PTE. Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_EpsilonTelecommunicationsUsPteLtdMember" xml:lang="en-US">Epsilon Telecommunications (US) PTE. Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EpsilonTelecommunicationsUsPteLtdMember" xlink:to="lab_kt_EpsilonTelecommunicationsUsPteLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EpsilonTelecommunicationsUsPteLtdMember" xml:lang="en-US">Epsilon Telecommunications US Pte Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EpsilonTelecommunicationsLimitedMember" xlink:label="loc_kt_EpsilonTelecommunicationsLimitedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EpsilonTelecommunicationsLimitedMember" xml:lang="en-US">Epsilon Telecommunications Limited [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EpsilonTelecommunicationsLimitedMember" xlink:to="lab_kt_EpsilonTelecommunicationsLimitedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EpsilonTelecommunicationsLimitedMember" xml:lang="en-US">Epsilon Telecommunications Limited.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EpsilonTelecommunicationsHkLimitedMember" xlink:label="loc_kt_EpsilonTelecommunicationsHkLimitedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EpsilonTelecommunicationsHkLimitedMember" xml:lang="en-US">Epsilon Telecommunications (HK) Limited [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EpsilonTelecommunicationsHkLimitedMember" xlink:to="lab_kt_EpsilonTelecommunicationsHkLimitedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EpsilonTelecommunicationsHkLimitedMember" xml:lang="en-US">Epsilon Telecommunications HK Limited.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EpsilonUsIncMember" xlink:label="loc_kt_EpsilonUsIncMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EpsilonUsIncMember" xml:lang="en-US">Epsilon US Inc. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EpsilonUsIncMember" xlink:to="lab_kt_EpsilonUsIncMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EpsilonUsIncMember" xml:lang="en-US">Epsilon US Inc.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EpsilonTelecommunicationsBgEoodMember" xlink:label="loc_kt_EpsilonTelecommunicationsBgEoodMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EpsilonTelecommunicationsBgEoodMember" xml:lang="en-US">Epsilon Telecommunications (BG) EOOD [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EpsilonTelecommunicationsBgEoodMember" xlink:to="lab_kt_EpsilonTelecommunicationsBgEoodMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EpsilonTelecommunicationsBgEoodMember" xml:lang="en-US">Epsilon Telecommunications BG EOOD.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_NasmediaKtAlphaFutureGrowthStrategicInvestmentFundMember" xlink:label="loc_kt_NasmediaKtAlphaFutureGrowthStrategicInvestmentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_NasmediaKtAlphaFutureGrowthStrategicInvestmentFundMember" xml:lang="en-US">Nasmedia KT Alpha Future Growth Strategic Investment Fund [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_NasmediaKtAlphaFutureGrowthStrategicInvestmentFundMember" xlink:to="lab_kt_NasmediaKtAlphaFutureGrowthStrategicInvestmentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_NasmediaKtAlphaFutureGrowthStrategicInvestmentFundMember" xml:lang="en-US">Nasmedia KT&#160;Alpha Future Growth Strategic Investment Fund.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtStrategicInvestmentFundMember" xlink:label="loc_kt_KtStrategicInvestmentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtStrategicInvestmentFundMember" xml:lang="en-US">KT Strategic Investment Fund [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtStrategicInvestmentFundMember" xml:lang="en-US">KT Strategic Investment Fund 6 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtStrategicInvestmentFundMember" xlink:to="lab_kt_KtStrategicInvestmentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtStrategicInvestmentFundMember" xml:lang="en-US">KT Strategic Investment Fund.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AltimediaCorporationMember" xlink:label="loc_kt_AltimediaCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AltimediaCorporationMember" xml:lang="en-US">Altimedia Corporation [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AltimediaCorporationMember" xlink:to="lab_kt_AltimediaCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AltimediaCorporationMember" xml:lang="en-US">Altimedia Corporation.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AlticastBVMember" xlink:label="loc_kt_AlticastBVMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AlticastBVMember" xml:lang="en-US">Alticast B V [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AlticastBVMember" xml:lang="en-US">Altimidia B.V. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AlticastBVMember" xlink:to="lab_kt_AlticastBVMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AlticastBVMember" xml:lang="en-US">Alticast B V.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EpsilonGlobalCommunicationsPte.LtdMember" xlink:label="loc_kt_EpsilonGlobalCommunicationsPte.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EpsilonGlobalCommunicationsPte.LtdMember" xml:lang="en-US">Epsilon Global Communications PTE. Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_EpsilonGlobalCommunicationsPte.LtdMember" xml:lang="en-US">Epsilon Global Communications PTE. Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EpsilonGlobalCommunicationsPte.LtdMember" xlink:to="lab_kt_EpsilonGlobalCommunicationsPte.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EpsilonGlobalCommunicationsPte.LtdMember" xml:lang="en-US">Epsilon global communications pte. Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtSatCo.Ltd.Member" xlink:label="loc_kt_KtSatCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtSatCo.Ltd.Member" xml:lang="en-US">KT Sat Co., Ltd. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtSatCo.Ltd.Member" xml:lang="en-US">KT Sat Co., Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtSatCo.Ltd.Member" xlink:to="lab_kt_KtSatCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtSatCo.Ltd.Member" xml:lang="en-US">Kt sat co., ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtSportsCo.Ltd.Member" xlink:label="loc_kt_KtSportsCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtSportsCo.Ltd.Member" xml:lang="en-US">KT Sports Co., Ltd. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtSportsCo.Ltd.Member" xml:lang="en-US">KT Sports Co., Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtSportsCo.Ltd.Member" xlink:to="lab_kt_KtSportsCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtSportsCo.Ltd.Member" xml:lang="en-US">Kt sports co., ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtMMobileCo.Ltd.Member" xlink:label="loc_kt_KtMMobileCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtMMobileCo.Ltd.Member" xml:lang="en-US">KT M Mobile Co., Ltd. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtMMobileCo.Ltd.Member" xml:lang="en-US">KT M Mobile Co., Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtMMobileCo.Ltd.Member" xlink:to="lab_kt_KtMMobileCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtMMobileCo.Ltd.Member" xml:lang="en-US">Kt m mobile co., ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtHuimangjieumMember" xlink:label="loc_kt_KtHuimangjieumMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtHuimangjieumMember" xml:lang="en-US">KT Huimangjieum [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtHuimangjieumMember" xml:lang="en-US">KT Huimangjieum [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtHuimangjieumMember" xlink:to="lab_kt_KtHuimangjieumMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtHuimangjieumMember" xml:lang="en-US">Kt Huimangjieum.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtEngineeringCo.Ltd.Member" xlink:label="loc_kt_KtEngineeringCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtEngineeringCo.Ltd.Member" xml:lang="en-US">KT Engineering Co., Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtEngineeringCo.Ltd.Member" xlink:to="lab_kt_KtEngineeringCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtEngineeringCo.Ltd.Member" xml:lang="en-US">Kt engineering co., ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MillieSeojaeMember" xlink:label="loc_kt_MillieSeojaeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MillieSeojaeMember" xml:lang="en-US">Millie Seojae [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MillieSeojaeMember" xml:lang="en-US">Millie Seojae [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MillieSeojaeMember" xlink:to="lab_kt_MillieSeojaeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MillieSeojaeMember" xml:lang="en-US">Millie seojae.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_HangangRealEstateInvestmentTrustNo.24Member" xlink:label="loc_kt_HangangRealEstateInvestmentTrustNo.24Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_HangangRealEstateInvestmentTrustNo.24Member" xml:lang="en-US">Hangang Real Estate Investment Trust No. 24 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_HangangRealEstateInvestmentTrustNo.24Member" xml:lang="en-US">Hangang Real Estate Investment Trust No. 24 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_HangangRealEstateInvestmentTrustNo.24Member" xlink:to="lab_kt_HangangRealEstateInvestmentTrustNo.24Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_HangangRealEstateInvestmentTrustNo.24Member" xml:lang="en-US">Hangang real estate investment trust No. 24.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtDxVietnamCompanyLimitedMember" xlink:label="loc_kt_KtDxVietnamCompanyLimitedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtDxVietnamCompanyLimitedMember" xml:lang="en-US">KT DX Vietnam Company Limited [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_kt_KtDxVietnamCompanyLimitedMember" xml:lang="en-US">KT DX Vietnam Company Limited [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtDxVietnamCompanyLimitedMember" xlink:to="lab_kt_KtDxVietnamCompanyLimitedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtDxVietnamCompanyLimitedMember" xml:lang="en-US">Kt dx vietnam company limited</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtCloudCo.Ltd.Member" xlink:label="loc_kt_KtCloudCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtCloudCo.Ltd.Member" xml:lang="en-US">Kt Cloud Co., Ltd. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtCloudCo.Ltd.Member" xml:lang="en-US">kt cloud Co., Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtCloudCo.Ltd.Member" xlink:to="lab_kt_KtCloudCo.Ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtCloudCo.Ltd.Member" xml:lang="en-US">Kt cloud co., ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PtCraniumRoyalAditamaMember" xlink:label="loc_kt_PtCraniumRoyalAditamaMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PtCraniumRoyalAditamaMember" xml:lang="en-US">PT CRANIUM ROYAL ADITAMA [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PtCraniumRoyalAditamaMember" xml:lang="en-US">PT CRANIUM ROYAL ADITAMA [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PtCraniumRoyalAditamaMember" xlink:to="lab_kt_PtCraniumRoyalAditamaMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PtCraniumRoyalAditamaMember" xml:lang="en-US">Pt Cranium Royal Aditama.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_NextConnectPfvMember" xlink:label="loc_kt_NextConnectPfvMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_NextConnectPfvMember" xml:lang="en-US">Next Connect PFV [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_NextConnectPfvMember" xml:lang="en-US">Next Connect PFV [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_NextConnectPfvMember" xlink:to="lab_kt_NextConnectPfvMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_NextConnectPfvMember" xml:lang="en-US">Next connect pfv.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtAlphaCoLtdMember" xlink:label="loc_kt_KtAlphaCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtAlphaCoLtdMember" xml:lang="en-US">KT Alpha Co., Ltd. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtAlphaCoLtdMember" xml:lang="en-US">KT Alpha Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtAlphaCoLtdMember" xlink:to="lab_kt_KtAlphaCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtAlphaCoLtdMember" xml:lang="en-US">KT Alpha Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtInvestmentManagementInc.Member" xlink:label="loc_kt_KtInvestmentManagementInc.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtInvestmentManagementInc.Member" xml:lang="en-US">KT Investment Management Inc. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtInvestmentManagementInc.Member" xlink:to="lab_kt_KtInvestmentManagementInc.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtInvestmentManagementInc.Member" xml:lang="en-US">KT Investment Management Inc.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EpsilonTelecommunicationsSpPteLtdMember" xlink:label="loc_kt_EpsilonTelecommunicationsSpPteLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EpsilonTelecommunicationsSpPteLtdMember" xml:lang="en-US">Epsilon Telecommunications (SP) PTE Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_EpsilonTelecommunicationsSpPteLtdMember" xml:lang="en-US">Epsilon Telecommunications (SP) PTE. Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EpsilonTelecommunicationsSpPteLtdMember" xlink:to="lab_kt_EpsilonTelecommunicationsSpPteLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EpsilonTelecommunicationsSpPteLtdMember" xml:lang="en-US">Epsilon telecommunications US pte ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtHealthcareVinaCompanyLimitedMember" xlink:label="loc_kt_KtHealthcareVinaCompanyLimitedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtHealthcareVinaCompanyLimitedMember" xml:lang="en-US">Kt Healthcare Vina Company Limited [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtHealthcareVinaCompanyLimitedMember" xml:lang="en-US">KT HEALTHCARE VINA COMPANY LIMITED [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtHealthcareVinaCompanyLimitedMember" xlink:to="lab_kt_KtHealthcareVinaCompanyLimitedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtHealthcareVinaCompanyLimitedMember" xml:lang="en-US">Kt healthcare vina company limited.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KrealtyQualifiedPrivateRealEstateInvestmentTrustNumberOneMember" xlink:label="loc_kt_KrealtyQualifiedPrivateRealEstateInvestmentTrustNumberOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KrealtyQualifiedPrivateRealEstateInvestmentTrustNumberOneMember" xml:lang="en-US">KRealty Qualified Private Real Estate Investment Trust Number One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KrealtyQualifiedPrivateRealEstateInvestmentTrustNumberOneMember" xml:lang="en-US">K-Realty Qualified Private Real Estate Investment Trust No. 1 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KrealtyQualifiedPrivateRealEstateInvestmentTrustNumberOneMember" xlink:to="lab_kt_KrealtyQualifiedPrivateRealEstateInvestmentTrustNumberOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KrealtyQualifiedPrivateRealEstateInvestmentTrustNumberOneMember" xml:lang="en-US">K-realty qualified private real estate investment trust number one.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KRealtyQualifiedPrivateRealEstateInvestmentTrustNumberFourMember" xlink:label="loc_kt_KRealtyQualifiedPrivateRealEstateInvestmentTrustNumberFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KRealtyQualifiedPrivateRealEstateInvestmentTrustNumberFourMember" xml:lang="en-US">K Realty Qualified Private Real Estate Investment Trust Number Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KRealtyQualifiedPrivateRealEstateInvestmentTrustNumberFourMember" xml:lang="en-US">K-Realty Qualified Private Real Estate Investment Trust No. 4 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KRealtyQualifiedPrivateRealEstateInvestmentTrustNumberFourMember" xlink:to="lab_kt_KRealtyQualifiedPrivateRealEstateInvestmentTrustNumberFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KRealtyQualifiedPrivateRealEstateInvestmentTrustNumberFourMember" xml:lang="en-US">K-Realty qualified private real estate investment trust no. 4.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ktnetcoreCoLtdMember" xlink:label="loc_kt_ktnetcoreCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ktnetcoreCoLtdMember" xml:lang="en-US">kt netcore. Co. Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ktnetcoreCoLtdMember" xlink:to="lab_kt_ktnetcoreCoLtdMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ktpandmMember" xlink:label="loc_kt_ktpandmMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ktpandmMember" xml:lang="en-US">kt p&amp;m [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ktpandmMember" xlink:to="lab_kt_ktpandmMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BcStrategicInvestmentFund2Member" xlink:label="loc_kt_BcStrategicInvestmentFund2Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BcStrategicInvestmentFund2Member" xml:lang="en-US">BC Strategic Investment Fund 2 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BcStrategicInvestmentFund2Member" xlink:to="lab_kt_BcStrategicInvestmentFund2Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KlogisHwaseongIncMember" xlink:label="loc_kt_KlogisHwaseongIncMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KlogisHwaseongIncMember" xml:lang="en-US">K-Logis Hwaseong Inc. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KlogisHwaseongIncMember" xlink:to="lab_kt_KlogisHwaseongIncMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AltimidiaVietnamMember" xlink:label="loc_kt_AltimidiaVietnamMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AltimidiaVietnamMember" xml:lang="en-US">Altimidia Vietnam [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AltimidiaVietnamMember" xlink:to="lab_kt_AltimidiaVietnamMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OpenCloudLabCoLtdMember" xlink:label="loc_kt_OpenCloudLabCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OpenCloudLabCoLtdMember" xml:lang="en-US">Open cloud lab Co., Ltd [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OpenCloudLabCoLtdMember" xlink:to="lab_kt_OpenCloudLabCoLtdMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KTAmericaIncMember" xlink:label="loc_kt_KTAmericaIncMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KTAmericaIncMember" xml:lang="en-US">KT America Inc [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KTAmericaIncMember" xml:lang="en-US">KT America, Inc. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KTAmericaIncMember" xlink:to="lab_kt_KTAmericaIncMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KTAmericaIncMember" xml:lang="en-US">KT America, Inc.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KTRUSLLCMember" xlink:label="loc_kt_KTRUSLLCMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KTRUSLLCMember" xml:lang="en-US">KT RUS LLC [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KTRUSLLCMember" xlink:to="lab_kt_KTRUSLLCMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KTRUSLLCMember" xml:lang="en-US">KT RUS LLC.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BCCARDVIETNAMLTDMember" xlink:label="loc_kt_BCCARDVIETNAMLTDMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BCCARDVIETNAMLTDMember" xml:lang="en-US">BCCARD VIETNAM LTD [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_BCCARDVIETNAMLTDMember" xml:lang="en-US">BCCARD VIETNAM LTD. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BCCARDVIETNAMLTDMember" xlink:to="lab_kt_BCCARDVIETNAMLTDMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KDLivingIncMember" xlink:label="loc_kt_KDLivingIncMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KDLivingIncMember" xml:lang="en-US">KD Living Inc [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KDLivingIncMember" xml:lang="en-US">KT Living, Inc. (formerly KD Living, Inc.) [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KDLivingIncMember" xlink:to="lab_kt_KDLivingIncMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KDLivingIncMember" xml:lang="en-US">KT Living, Inc.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AQUARETAILVIETNAMCOMPANYLIMITEDMember" xlink:label="loc_kt_AQUARETAILVIETNAMCOMPANYLIMITEDMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AQUARETAILVIETNAMCOMPANYLIMITEDMember" xml:lang="en-US">AQUA RETAIL VIETNAM COMPANY LIMITED [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AQUARETAILVIETNAMCOMPANYLIMITEDMember" xlink:to="lab_kt_AQUARETAILVIETNAMCOMPANYLIMITEDMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AQUARETAILVIETNAMCOMPANYLIMITEDMember" xml:lang="en-US">AQUA RETAIL VIETNAM COMPANY LIMITED.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KTPSERVICESINCMember" xlink:label="loc_kt_KTPSERVICESINCMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KTPSERVICESINCMember" xml:lang="en-US">KTP SERVICES INC [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KTPSERVICESINCMember" xml:lang="en-US">KTP SERVICES INC. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KTPSERVICESINCMember" xlink:to="lab_kt_KTPSERVICESINCMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BaseProportionOfOwnershipInterestInSubsidiary" xlink:label="loc_kt_BaseProportionOfOwnershipInterestInSubsidiary" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BaseProportionOfOwnershipInterestInSubsidiary" xml:lang="en-US">Base Proportion Of Ownership Interest In Subsidiary</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_BaseProportionOfOwnershipInterestInSubsidiary" xml:lang="en-US">Base proportion of ownership interest in subsidiary</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BaseProportionOfOwnershipInterestInSubsidiary" xlink:to="lab_kt_BaseProportionOfOwnershipInterestInSubsidiary" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BaseProportionOfOwnershipInterestInSubsidiary" xml:lang="en-US">Base proportion of ownership interest in subsidiary.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfSignificantAccountingPoliciesAbstract" xlink:label="loc_kt_DisclosureOfSignificantAccountingPoliciesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfSignificantAccountingPoliciesAbstract" xml:lang="en-US">Disclosure of significant accounting policies [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfSignificantAccountingPoliciesAbstract" xlink:to="lab_kt_DisclosureOfSignificantAccountingPoliciesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfSignificantAccountingPoliciesAbstract" xml:lang="en-US">Disclosure of significant accounting policies.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfSignificantAccountingPoliciesTable" xlink:label="loc_kt_DisclosureOfSignificantAccountingPoliciesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfSignificantAccountingPoliciesTable" xml:lang="en-US">Disclosure of significant accounting policies [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfSignificantAccountingPoliciesTable" xml:lang="en-US">Disclosure of significant accounting policies [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfSignificantAccountingPoliciesTable" xlink:to="lab_kt_DisclosureOfSignificantAccountingPoliciesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfSignificantAccountingPoliciesTable" xml:lang="en-US">Disclosure of significant accounting policies [table]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfSignificantAccountingPoliciesLineItems" xlink:label="loc_kt_DisclosureOfSignificantAccountingPoliciesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfSignificantAccountingPoliciesLineItems" xml:lang="en-US">Disclosure of significant accounting policies [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfSignificantAccountingPoliciesLineItems" xml:lang="en-US">Disclosure of significant accounting policies [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfSignificantAccountingPoliciesLineItems" xlink:to="lab_kt_DisclosureOfSignificantAccountingPoliciesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfSignificantAccountingPoliciesLineItems" xml:lang="en-US">Disclosure of significant accounting policies [line items]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeInvestmentPropertyCostModel" xlink:label="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeInvestmentPropertyCostModel" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeInvestmentPropertyCostModel" xml:lang="en-US">Useful life measured as period of time, investment property, cost model</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeInvestmentPropertyCostModel" xml:lang="en-US">Useful lives of investment property, excluding land depreciated cost model</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeInvestmentPropertyCostModel" xlink:to="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeInvestmentPropertyCostModel" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RangeAxis" xlink:label="loc_ifrs-full_RangeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RangeAxis" xml:lang="en-US">Range [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RangeAxis" xml:lang="en-US">Range [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeAxis" xlink:to="lab_ifrs-full_RangeAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RangeDomain" xlink:label="loc_ifrs-full_RangeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RangeDomain" xml:lang="en-US">Range [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RangeDomain" xml:lang="en-US">Ranges [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeDomain" xlink:to="lab_ifrs-full_RangeDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TopOfRangeMember" xlink:label="loc_ifrs-full_TopOfRangeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TopOfRangeMember" xml:lang="en-US">Top of range [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TopOfRangeMember" xml:lang="en-US">Top of range [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TopOfRangeMember" xlink:to="lab_ifrs-full_TopOfRangeMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BottomOfRangeMember" xlink:label="loc_ifrs-full_BottomOfRangeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BottomOfRangeMember" xml:lang="en-US">Bottom of range [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_BottomOfRangeMember" xml:lang="en-US">Bottom of range [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BottomOfRangeMember" xlink:to="lab_ifrs-full_BottomOfRangeMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:label="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xml:lang="en-US">Classes of property, plant and equipment [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xml:lang="en-US">Classes of property, plant and equipment [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:label="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xml:lang="en-US">Classes of property, plant and equipment [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xml:lang="en-US">Property, plant and equipment [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:to="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BuildingsMember" xlink:label="loc_ifrs-full_BuildingsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BuildingsMember" xml:lang="en-US">Buildings [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_BuildingsMember" xml:lang="en-US">Buildings [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_BuildingsMember" xml:lang="en-US">Buildings and structures [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BuildingsMember" xlink:to="lab_ifrs-full_BuildingsMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_StructuresMember" xlink:label="loc_kt_StructuresMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_StructuresMember" xml:lang="en-US">Structures [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_StructuresMember" xml:lang="en-US">Structures [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_StructuresMember" xlink:to="lab_kt_StructuresMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_StructuresMember" xml:lang="en-US">Structures [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MachineriesAndEquipmentsMember" xlink:label="loc_kt_MachineriesAndEquipmentsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MachineriesAndEquipmentsMember" xml:lang="en-US">Machineries and Equipments [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MachineriesAndEquipmentsMember" xml:lang="en-US">Machinery and equipment (Telecommunications equipment and others) [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MachineriesAndEquipmentsMember" xlink:to="lab_kt_MachineriesAndEquipmentsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MachineriesAndEquipmentsMember" xml:lang="en-US">Machinery and equipment [member]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_VehiclesMember" xlink:label="loc_ifrs-full_VehiclesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_VehiclesMember" xml:lang="en-US">Vehicles [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_VehiclesMember" xml:lang="en-US">Vehicles [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_VehiclesMember" xlink:to="lab_ifrs-full_VehiclesMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ToolsMember" xlink:label="loc_kt_ToolsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ToolsMember" xml:lang="en-US">Tools [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ToolsMember" xml:lang="en-US">Tools [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ToolsMember" xlink:to="lab_kt_ToolsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ToolsMember" xml:lang="en-US">Tool.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OfficeEquipmentMember" xlink:label="loc_ifrs-full_OfficeEquipmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OfficeEquipmentMember" xml:lang="en-US">Office equipment [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OfficeEquipmentMember" xml:lang="en-US">Office equipment [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OfficeEquipmentMember" xlink:to="lab_ifrs-full_OfficeEquipmentMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:label="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xml:lang="en-US">Useful life measured as period of time, property, plant and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xml:lang="en-US">Estimated Useful Life</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" xlink:to="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimePropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsAbstract" xml:lang="en-US">Disclosure of detailed information about intangible assets [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsAbstract" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xml:lang="en-US">Disclosure of detailed information about intangible assets [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" xml:lang="en-US">Disclosure of detailed information about intangible assets [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xml:lang="en-US">Classes of intangible assets other than goodwill [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xml:lang="en-US">Classes of intangible assets other than goodwill [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xml:lang="en-US">Classes of intangible assets other than goodwill [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xml:lang="en-US">Intangible assets other than goodwill [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IntangibleAssetsUnderDevelopmentMember" xlink:label="loc_ifrs-full_IntangibleAssetsUnderDevelopmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IntangibleAssetsUnderDevelopmentMember" xml:lang="en-US">Intangible assets under development [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IntangibleAssetsUnderDevelopmentMember" xml:lang="en-US">Development costs [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsUnderDevelopmentMember" xlink:to="lab_ifrs-full_IntangibleAssetsUnderDevelopmentMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComputerSoftwareMember" xlink:label="loc_ifrs-full_ComputerSoftwareMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ComputerSoftwareMember" xml:lang="en-US">Computer software [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ComputerSoftwareMember" xml:lang="en-US">Software [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComputerSoftwareMember" xlink:to="lab_ifrs-full_ComputerSoftwareMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_FrequencyUsageRightsMember" xlink:label="loc_kt_FrequencyUsageRightsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_FrequencyUsageRightsMember" xml:lang="en-US">Frequency Usage Rights [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_FrequencyUsageRightsMember" xml:lang="en-US">Frequency usage rights [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_FrequencyUsageRightsMember" xlink:to="lab_kt_FrequencyUsageRightsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_FrequencyUsageRightsMember" xml:lang="en-US">Frequency usage rights.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherIntangibleAssetsMember" xlink:label="loc_ifrs-full_OtherIntangibleAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherIntangibleAssetsMember" xml:lang="en-US">Other intangible assets [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherIntangibleAssetsMember" xml:lang="en-US">Others [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherIntangibleAssetsMember" xlink:to="lab_ifrs-full_OtherIntangibleAssetsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xml:lang="en-US">Disclosure of detailed information about intangible assets [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xml:lang="en-US">Disclosure of detailed information about intangible assets [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:label="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xml:lang="en-US">Useful life measured as period of time, intangible assets other than goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xml:lang="en-US">Estimated Useful Life</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xml:lang="en-US">Disclosure of detailed information about financial instruments [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xml:lang="en-US">Disclosure of detailed information about financial instruments [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" xml:lang="en-US">Disclosure of detailed information about financial instruments [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:label="loc_ifrs-full_ClassesOfFinancialInstrumentsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xml:lang="en-US">Classes of financial instruments [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xml:lang="en-US">Classes of financial instruments [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:label="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xml:lang="en-US">Classes of financial instruments [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xml:lang="en-US">Financial instruments, class [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LoansAndReceivablesCategoryMember" xlink:label="loc_ifrs-full_LoansAndReceivablesCategoryMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LoansAndReceivablesCategoryMember" xml:lang="en-US">Loans and receivables, category [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_LoansAndReceivablesCategoryMember" xml:lang="en-US">Financial assets at amortized cost [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LoansAndReceivablesCategoryMember" xml:lang="en-US">Loans and receivables [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LoansAndReceivablesCategoryMember" xlink:to="lab_ifrs-full_LoansAndReceivablesCategoryMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xml:lang="en-US">Financial assets at fair value through profit or loss, category [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xml:lang="en-US">Financial assets at fair value through profit or loss [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativesMember" xlink:label="loc_ifrs-full_DerivativesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DerivativesMember" xml:lang="en-US">Derivatives [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_DerivativesMember" xml:lang="en-US">Derivatives used for hedging [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_DerivativesMember" xml:lang="en-US">Derivatives [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativesMember" xlink:to="lab_ifrs-full_DerivativesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xml:lang="en-US">Financial liabilities at fair value through profit or loss, category [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xml:lang="en-US">Financial liabilities designated as at fair value through profit or loss [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xml:lang="en-US">Financial liabilities at fair value through profit or loss [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xml:lang="en-US">Financial liabilities at amortised cost, category [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xml:lang="en-US">Financial liabilities at amortized cost [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xml:lang="en-US">Financial assets at fair value through other comprehensive income, category [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xml:lang="en-US">Financial assets at fair value through other comprehensive income [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OthersMember" xlink:label="loc_kt_OthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OthersMember" xml:lang="en-US">Others [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OthersMember" xml:lang="en-US">Others [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OthersMember" xlink:to="lab_kt_OthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OthersMember" xml:lang="en-US">Others.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xml:lang="en-US">Disclosure of detailed information about financial instruments [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xml:lang="en-US">Disclosure of detailed information about financial instruments [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xml:lang="en-US">Disclosure of detailed information about financial instruments [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherPayables" xlink:label="loc_ifrs-full_TradeAndOtherPayables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TradeAndOtherPayables" xml:lang="en-US">Trade and other payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TradeAndOtherPayables" xml:lang="en-US">Trade and other payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherPayables" xlink:to="lab_ifrs-full_TradeAndOtherPayables" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Borrowings" xlink:label="loc_ifrs-full_Borrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Borrowings" xml:lang="en-US">Borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_Borrowings" xml:lang="en-US">Borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:label="lab_ifrs-full_Borrowings" xml:lang="en-US">Used amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_Borrowings" xml:lang="en-US">Related amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Borrowings" xml:lang="en-US">Borrowing</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Borrowings" xlink:to="lab_ifrs-full_Borrowings" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherFinancialLiabilities" xlink:label="loc_ifrs-full_OtherFinancialLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherFinancialLiabilities" xml:lang="en-US">Other financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherFinancialLiabilities" xml:lang="en-US">Other financial liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFinancialLiabilities" xlink:to="lab_ifrs-full_OtherFinancialLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherReceivables" xlink:label="loc_ifrs-full_TradeAndOtherReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TradeAndOtherReceivables" xml:lang="en-US">Trade and other receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_TradeAndOtherReceivables" xml:lang="en-US">Trade and other receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TradeAndOtherReceivables" xml:lang="en-US">Receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherReceivables" xlink:to="lab_ifrs-full_TradeAndOtherReceivables" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherFinancialAssets" xlink:label="loc_ifrs-full_OtherFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherFinancialAssets" xml:lang="en-US">Other financial assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherFinancialAssets" xml:lang="en-US">Other financial assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFinancialAssets" xlink:to="lab_ifrs-full_OtherFinancialAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LeaseLiabilities" xlink:label="loc_ifrs-full_LeaseLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LeaseLiabilities" xml:lang="en-US">Lease liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_LeaseLiabilities" xml:lang="en-US">Lease liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LeaseLiabilities" xml:lang="en-US">Lease liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_LeaseLiabilities" xml:lang="en-US">Lease liability recognized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilities" xlink:to="lab_ifrs-full_LeaseLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xml:lang="en-US">Categories of financial assets [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xml:lang="en-US">Categories of financial assets [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xml:lang="en-US">Categories of financial assets [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xml:lang="en-US">Financial assets, category [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:label="loc_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xml:lang="en-US">Financial assets at amortised cost, category [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xml:lang="en-US">Financial assets at amortized cost [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativeFinancialAssetsForHedgingMember" xlink:label="loc_kt_DerivativeFinancialAssetsForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativeFinancialAssetsForHedgingMember" xml:lang="en-US">Derivative financial assets for hedging [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_DerivativeFinancialAssetsForHedgingMember" xml:lang="en-US">Derivatives used for hedging [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DerivativeFinancialAssetsForHedgingMember" xml:lang="en-US">Derivative financial assets for hedging [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativeFinancialAssetsForHedgingMember" xlink:to="lab_kt_DerivativeFinancialAssetsForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativeFinancialAssetsForHedgingMember" xml:lang="en-US">Derivative financial assets for hedging.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:label="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xml:lang="en-US">Categories of financial liabilities [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xml:lang="en-US">Categories of financial liabilities [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:to="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:label="loc_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xml:lang="en-US">Categories of financial liabilities [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xml:lang="en-US">Other liabilities [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:to="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativesLiabilitiesUsedForHedgingMember" xlink:label="loc_kt_DerivativesLiabilitiesUsedForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativesLiabilitiesUsedForHedgingMember" xml:lang="en-US">Derivatives liabilities used for hedging [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DerivativesLiabilitiesUsedForHedgingMember" xml:lang="en-US">Derivatives used for hedging [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativesLiabilitiesUsedForHedgingMember" xlink:to="lab_kt_DerivativesLiabilitiesUsedForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativesLiabilitiesUsedForHedgingMember" xml:lang="en-US">Derivatives liabilities used for hedging.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LeaseLiabilitiesMember" xlink:label="loc_ifrs-full_LeaseLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xml:lang="en-US">Lease liabilities [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xml:lang="en-US">Lease liabilities [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilitiesMember" xlink:to="lab_ifrs-full_LeaseLiabilitiesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevenueFromInterest" xlink:label="loc_ifrs-full_RevenueFromInterest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RevenueFromInterest" xml:lang="en-US">Interest income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RevenueFromInterest" xml:lang="en-US">Interest income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_RevenueFromInterest" xml:lang="en-US">Interest income recognized as operating revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromInterest" xlink:to="lab_ifrs-full_RevenueFromInterest" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainLossOnDerivativesTransactions" xlink:label="loc_kt_GainLossOnDerivativesTransactions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainLossOnDerivativesTransactions" xml:lang="en-US">Gain Loss On Derivatives Transactions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainLossOnDerivativesTransactions" xml:lang="en-US">Gain (loss) on transactions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainLossOnDerivativesTransactions" xlink:to="lab_kt_GainLossOnDerivativesTransactions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainLossOnDerivativesTransactions" xml:lang="en-US">Gain loss on derivatives transactions.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestExpense" xlink:label="loc_ifrs-full_InterestExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InterestExpense" xml:lang="en-US">Interest expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_InterestExpense" xml:lang="en-US">Interest expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_InterestExpense" xml:lang="en-US">Interest expense recognized as operating expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_InterestExpense" xml:lang="en-US">Interest expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpense" xlink:to="lab_ifrs-full_InterestExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevenueFromDividends" xlink:label="loc_ifrs-full_RevenueFromDividends" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RevenueFromDividends" xml:lang="en-US">Dividend income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RevenueFromDividends" xml:lang="en-US">Dividend income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromDividends" xlink:to="lab_ifrs-full_RevenueFromDividends" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainLossOnForeignCurrencyTransaction" xlink:label="loc_kt_GainLossOnForeignCurrencyTransaction" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainLossOnForeignCurrencyTransaction" xml:lang="en-US">Gain Loss On Foreign Currency Transaction</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_GainLossOnForeignCurrencyTransaction" xml:lang="en-US">Gain on foreign currency transaction</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainLossOnForeignCurrencyTransaction" xlink:to="lab_kt_GainLossOnForeignCurrencyTransaction" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainLossOnForeignCurrencyTransaction" xml:lang="en-US">Gain Loss On Foreign Currency Transaction</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainOnForeignCurrencyTranslations" xlink:label="loc_kt_GainOnForeignCurrencyTranslations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainOnForeignCurrencyTranslations" xml:lang="en-US">Gain on foreign currency translations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainOnForeignCurrencyTranslations" xml:lang="en-US">Gain (loss) on foreign currency translation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainOnForeignCurrencyTranslations" xlink:to="lab_kt_GainOnForeignCurrencyTranslations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainOnForeignCurrencyTranslations" xml:lang="en-US">Gain on foreign currency translations.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainsLossesArisingFromFinancialInstrumentsByCategory" xlink:label="loc_kt_GainsLossesArisingFromFinancialInstrumentsByCategory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainsLossesArisingFromFinancialInstrumentsByCategory" xml:lang="en-US">Gains Losses Arising From Financial Instruments By Category</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_kt_GainsLossesArisingFromFinancialInstrumentsByCategory" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainsLossesArisingFromFinancialInstrumentsByCategory" xlink:to="lab_kt_GainsLossesArisingFromFinancialInstrumentsByCategory" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainsLossesArisingFromFinancialInstrumentsByCategory" xml:lang="en-US">Gains Losses Arising From Financial Instruments By Category</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainsLossesOnDisposal" xlink:label="loc_kt_GainsLossesOnDisposal" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainsLossesOnDisposal" xml:lang="en-US">Gains (losses) on disposal</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainsLossesOnDisposal" xml:lang="en-US">Gain (loss) on disposal</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainsLossesOnDisposal" xlink:to="lab_kt_GainsLossesOnDisposal" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainsLossesOnDisposal" xml:lang="en-US">Gains (losses) on disposal.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ImpairmentLoss" xlink:label="loc_ifrs-full_ImpairmentLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ImpairmentLoss" xml:lang="en-US">Impairment loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_ImpairmentLoss" xml:lang="en-US">Loss on valuation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLoss" xlink:to="lab_ifrs-full_ImpairmentLoss" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainLossOnValuation" xlink:label="loc_kt_GainLossOnValuation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainLossOnValuation" xml:lang="en-US">Gain Loss On Valuation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainLossOnValuation" xml:lang="en-US">Gain (loss) on valuation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainLossOnValuation" xlink:to="lab_kt_GainLossOnValuation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainLossOnValuation" xml:lang="en-US">Gain loss on valuation.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xml:lang="en-US">Other comprehensive income that will be reclassified to profit or loss, before tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xml:lang="en-US">Reclassified to profit or loss from other comprehensive income (loss) for the year</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xml:lang="en-US">Reclassified to gain or loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:label="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xml:lang="en-US">Interest expense on lease liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xml:lang="en-US">Interest expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xml:lang="en-US">Interest expense relating to lease liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:to="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetForeignExchangeGain" xlink:label="loc_ifrs-full_NetForeignExchangeGain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NetForeignExchangeGain" xml:lang="en-US">Net foreign exchange gain</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_NetForeignExchangeGain" xml:lang="en-US">Profit and loss from foreign currency transaction</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NetForeignExchangeGain" xml:lang="en-US">Gain on foreign currency transactions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetForeignExchangeGain" xlink:to="lab_ifrs-full_NetForeignExchangeGain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainLossOnValuationOfDerivatives" xlink:label="loc_kt_GainLossOnValuationOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainLossOnValuationOfDerivatives" xml:lang="en-US">Gain Loss On Valuation Of derivatives</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainLossOnValuationOfDerivatives" xml:lang="en-US">Gain (loss) on valuation of derivatives</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainLossOnValuationOfDerivatives" xlink:to="lab_kt_GainLossOnValuationOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainLossOnValuationOfDerivatives" xml:lang="en-US">Gain loss on valuation of derivatives.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainOnConvertiblePreferredStock" xlink:label="loc_kt_GainOnConvertiblePreferredStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainOnConvertiblePreferredStock" xml:lang="en-US">Gain On Convertible Preferred Stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainOnConvertiblePreferredStock" xml:lang="en-US">Gain on convertible preferred stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainOnConvertiblePreferredStock" xlink:to="lab_kt_GainOnConvertiblePreferredStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainOnConvertiblePreferredStock" xml:lang="en-US">Gain on convertible preferred stock.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtCloudCompanyLimitedMember" xlink:label="loc_kt_KtCloudCompanyLimitedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtCloudCompanyLimitedMember" xml:lang="en-US">KT Cloud Company Limited [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KtCloudCompanyLimitedMember" xml:lang="en-US">KT Cloud Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtCloudCompanyLimitedMember" xlink:to="lab_kt_KtCloudCompanyLimitedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtCloudCompanyLimitedMember" xml:lang="en-US">KT Cloud Company Limited.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalentsAbstract" xlink:label="loc_ifrs-full_CashAndCashEquivalentsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashAndCashEquivalentsAbstract" xml:lang="en-US">Cash and cash equivalents [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndCashEquivalentsAbstract" xlink:to="lab_ifrs-full_CashAndCashEquivalentsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RestrictedCashAndCashEquivalents" xlink:label="loc_ifrs-full_RestrictedCashAndCashEquivalents" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RestrictedCashAndCashEquivalents" xml:lang="en-US">Restricted cash and cash equivalents</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RestrictedCashAndCashEquivalents" xml:lang="en-US">Deposit restricted for governmental project and others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RestrictedCashAndCashEquivalents" xlink:to="lab_ifrs-full_RestrictedCashAndCashEquivalents" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsAbstract" xml:lang="en-US">Disclosure of financial assets [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsAbstract" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsTable" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xml:lang="en-US">Disclosure of financial assets [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsTable" xml:lang="en-US">Disclosure of financial assets [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CarryingAmountMember" xlink:label="loc_ifrs-full_CarryingAmountMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CarryingAmountMember" xml:lang="en-US">Carrying amount [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CarryingAmountMember" xml:lang="en-US">Carrying amount [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountMember" xlink:to="lab_ifrs-full_CarryingAmountMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="loc_ifrs-full_GrossCarryingAmountMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xml:lang="en-US">Gross carrying amount [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xml:lang="en-US">Gross carrying amount [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xml:lang="en-US">Carrying amounts [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossCarryingAmountMember" xlink:to="lab_ifrs-full_GrossCarryingAmountMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:label="loc_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xml:lang="en-US">Accumulated depreciation, amortisation and impairment [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xml:lang="en-US">Accumulated depreciation, amortisation and impairment [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:to="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AccumulatedImpairmentMember" xlink:label="loc_ifrs-full_AccumulatedImpairmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xml:lang="en-US">Accumulated impairment [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xml:lang="en-US">Present value discount [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xml:lang="en-US">Valuation allowance [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xml:lang="en-US">Provision for impairment [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedImpairmentMember" xlink:to="lab_ifrs-full_AccumulatedImpairmentMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xml:lang="en-US">Disclosure of financial assets [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" xml:lang="en-US">Disclosure of financial assets [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTradeReceivables" xlink:label="loc_ifrs-full_CurrentTradeReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentTradeReceivables" xml:lang="en-US">Current trade receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentTradeReceivables" xml:lang="en-US">Trade receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTradeReceivables" xlink:to="lab_ifrs-full_CurrentTradeReceivables" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentReceivables" xlink:label="loc_ifrs-full_OtherCurrentReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherCurrentReceivables" xml:lang="en-US">Other current receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherCurrentReceivables" xml:lang="en-US">Other receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentReceivables" xlink:to="lab_ifrs-full_OtherCurrentReceivables" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentTradeReceivables" xlink:label="loc_ifrs-full_NoncurrentTradeReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentTradeReceivables" xml:lang="en-US">Non-current trade receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentTradeReceivables" xml:lang="en-US">Trade receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentTradeReceivables" xlink:to="lab_ifrs-full_NoncurrentTradeReceivables" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNoncurrentReceivables" xlink:label="loc_ifrs-full_OtherNoncurrentReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherNoncurrentReceivables" xml:lang="en-US">Other non-current receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherNoncurrentReceivables" xml:lang="en-US">Other receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentReceivables" xlink:to="lab_ifrs-full_OtherNoncurrentReceivables" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xml:lang="en-US">Classes of financial assets [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xml:lang="en-US">Classes of financial assets [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialAssetsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xml:lang="en-US">Classes of financial assets [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xml:lang="en-US">Financial assets, class [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialAssetsDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherReceivablesMember" xlink:label="loc_kt_OtherReceivablesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherReceivablesMember" xml:lang="en-US">Other Receivables [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherReceivablesMember" xml:lang="en-US">Other receivables [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherReceivablesMember" xlink:to="lab_kt_OtherReceivablesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherReceivablesMember" xml:lang="en-US">Other receivables.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AllowanceForCreditLossesOfFinancialAssets" xlink:label="loc_kt_AllowanceForCreditLossesOfFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">Allowance For Credit Losses Of Financial Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_kt_AllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">Beginning balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_kt_AllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">Ending balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_AllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">Less: Provision for impairment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AllowanceForCreditLossesOfFinancialAssets" xlink:to="lab_kt_AllowanceForCreditLossesOfFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">The amount of an allowance used to record impairments to financial assets due to credit losses. [Refer: Financial assets]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdditionalAllowanceRecognisedInProfitOrLossAllowanceForCreditLossesOfFinancialAssets" xlink:label="loc_kt_AdditionalAllowanceRecognisedInProfitOrLossAllowanceForCreditLossesOfFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdditionalAllowanceRecognisedInProfitOrLossAllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">Additional Allowance Recognised In Profit Or Loss Allowance For Credit Losses Of Financial Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdditionalAllowanceRecognisedInProfitOrLossAllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">Provision</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdditionalAllowanceRecognisedInProfitOrLossAllowanceForCreditLossesOfFinancialAssets" xlink:to="lab_kt_AdditionalAllowanceRecognisedInProfitOrLossAllowanceForCreditLossesOfFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdditionalAllowanceRecognisedInProfitOrLossAllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">The amount of additional allowance for credit losses of financial assets recognised in profit or loss.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AllowanceForDoubtfulAccountsChangesInTheScopeOfConsolidation" xlink:label="loc_kt_AllowanceForDoubtfulAccountsChangesInTheScopeOfConsolidation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AllowanceForDoubtfulAccountsChangesInTheScopeOfConsolidation" xml:lang="en-US">Allowance for doubtful accounts changes in the scope of consolidation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AllowanceForDoubtfulAccountsChangesInTheScopeOfConsolidation" xml:lang="en-US">Changes in consolidation scope</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AllowanceForDoubtfulAccountsChangesInTheScopeOfConsolidation" xlink:to="lab_kt_AllowanceForDoubtfulAccountsChangesInTheScopeOfConsolidation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AllowanceForDoubtfulAccountsChangesInTheScopeOfConsolidation" xml:lang="en-US">Allowance for doubtful accounts changes in the scope of consolidation.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IncreaseDecreaseThroughOtherChangesAllowanceForCreditLossesOfFinancialAssets" xlink:label="loc_kt_IncreaseDecreaseThroughOtherChangesAllowanceForCreditLossesOfFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IncreaseDecreaseThroughOtherChangesAllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">Increase Decrease Through Other Changes Allowance For Credit Losses Of Financial Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_IncreaseDecreaseThroughOtherChangesAllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IncreaseDecreaseThroughOtherChangesAllowanceForCreditLossesOfFinancialAssets" xlink:to="lab_kt_IncreaseDecreaseThroughOtherChangesAllowanceForCreditLossesOfFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IncreaseDecreaseThroughOtherChangesAllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">The increase (decrease) in allowance for credit losses of financial assets resulting from changes that the entity does not separately disclose in the same statement or note.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ReversalAllowanceForCreditLossesOfFinancialAssets" xlink:label="loc_kt_ReversalAllowanceForCreditLossesOfFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ReversalAllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">Reversal Allowance For Credit Losses Of Financial Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_ReversalAllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">Reversal</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ReversalAllowanceForCreditLossesOfFinancialAssets" xlink:to="lab_kt_ReversalAllowanceForCreditLossesOfFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ReversalAllowanceForCreditLossesOfFinancialAssets" xml:lang="en-US">The decrease in an allowance for credit losses of financial assets resulting from the reversal of impairment.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAssets" xlink:label="loc_kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAssets" xml:lang="en-US">Write Off Or Transfer Out Of Allowance Account For Credit Losses Of Financial Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAssets" xml:lang="en-US">Write-off/reimbursement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAssets" xlink:to="lab_kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAssets" xml:lang="en-US">Write Off Or Transfer Out Of Allowance Account For Credit Losses Of Financial Assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LoansAndAdvances" xlink:label="loc_ifrs-full_LoansAndAdvances" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LoansAndAdvances" xml:lang="en-US">Loans and advances</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LoansAndAdvances" xml:lang="en-US">Loans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LoansAndAdvances" xlink:to="lab_ifrs-full_LoansAndAdvances" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentPrepaymentsAndCurrentAccruedIncomeOtherThanCurrentContractAssets" xlink:label="loc_ifrs-full_CurrentPrepaymentsAndCurrentAccruedIncomeOtherThanCurrentContractAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentPrepaymentsAndCurrentAccruedIncomeOtherThanCurrentContractAssets" xml:lang="en-US">Current prepayments and current accrued income other than current contract assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentPrepaymentsAndCurrentAccruedIncomeOtherThanCurrentContractAssets" xml:lang="en-US">Accrued income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentPrepaymentsAndCurrentAccruedIncomeOtherThanCurrentContractAssets" xlink:to="lab_ifrs-full_CurrentPrepaymentsAndCurrentAccruedIncomeOtherThanCurrentContractAssets" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RefundableDeposits" xlink:label="loc_kt_RefundableDeposits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RefundableDeposits" xml:lang="en-US">Refundable Deposits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RefundableDeposits" xml:lang="en-US">Refundable deposits</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RefundableDeposits" xlink:to="lab_kt_RefundableDeposits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RefundableDeposits" xml:lang="en-US">Refundable deposits.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LoansAndAdvancesToCustomers" xlink:label="loc_ifrs-full_LoansAndAdvancesToCustomers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LoansAndAdvancesToCustomers" xml:lang="en-US">Loans and advances to customers</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LoansAndAdvancesToCustomers" xml:lang="en-US">Loans receivable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LoansAndAdvancesToCustomers" xlink:to="lab_ifrs-full_LoansAndAdvancesToCustomers" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceLeaseReceivables" xlink:label="loc_ifrs-full_FinanceLeaseReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinanceLeaseReceivables" xml:lang="en-US">Finance lease receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinanceLeaseReceivables" xml:lang="en-US">Finance lease receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceLeaseReceivables" xlink:to="lab_ifrs-full_FinanceLeaseReceivables" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MiscellaneousInOtherReceivables" xlink:label="loc_kt_MiscellaneousInOtherReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MiscellaneousInOtherReceivables" xml:lang="en-US">Miscellaneous In Other Receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MiscellaneousInOtherReceivables" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MiscellaneousInOtherReceivables" xlink:to="lab_kt_MiscellaneousInOtherReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MiscellaneousInOtherReceivables" xml:lang="en-US">Miscellaneous In Other Receivables</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherReceivables" xlink:label="loc_ifrs-full_OtherReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherReceivables" xml:lang="en-US">Other receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherReceivables" xml:lang="en-US">Other receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherReceivables" xlink:to="lab_ifrs-full_OtherReceivables" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SettlementReceivableIncludedInOtherReceivables" xlink:label="loc_kt_SettlementReceivableIncludedInOtherReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SettlementReceivableIncludedInOtherReceivables" xml:lang="en-US">Settlement Receivable Included In Other Receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_SettlementReceivableIncludedInOtherReceivables" xml:lang="en-US">Settlement receivable included in other receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SettlementReceivableIncludedInOtherReceivables" xlink:to="lab_kt_SettlementReceivableIncludedInOtherReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SettlementReceivableIncludedInOtherReceivables" xml:lang="en-US">Settlement receivable included in other eceivables.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAbstract" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAbstract" xml:lang="en-US">Categories of financial assets [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAbstract" xml:lang="en-US">Other financial assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsAbstract" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCost" xlink:label="loc_ifrs-full_FinancialAssetsAtAmortisedCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCost" xml:lang="en-US">Financial assets at amortised cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCost" xml:lang="en-US">Financial assets at amortized cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtAmortisedCost" xlink:to="lab_ifrs-full_FinancialAssetsAtAmortisedCost" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Financial assets at fair value through profit or loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Financial assets at fair value through profits of loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Equity Instruments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Financial assets at fair value through profit or loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Financial assets at fair value through other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Financial assets at fair value through other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Equity Instruments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativeFinancialAssetsHeldForHedging" xlink:label="loc_ifrs-full_DerivativeFinancialAssetsHeldForHedging" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DerivativeFinancialAssetsHeldForHedging" xml:lang="en-US">Derivative financial assets held for hedging</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DerivativeFinancialAssetsHeldForHedging" xml:lang="en-US">Derivatives used for hedging</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialAssetsHeldForHedging" xlink:to="lab_ifrs-full_DerivativeFinancialAssetsHeldForHedging" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xlink:label="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xml:lang="en-US">Categories of financial liabilities [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xml:lang="en-US">Other financial liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xlink:to="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCost" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCost" xml:lang="en-US">Financial liabilities at amortised cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCost" xml:lang="en-US">Financial liabilities at amortized cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCost" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCost" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xml:lang="en-US">Financial liabilities at fair value through profit or loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xml:lang="en-US">Financial liabilities at fair value through profits or loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xml:lang="en-US">Financial liabilities at fair value through profit or loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xml:lang="en-US">Financial liabilities at fair value through profit or loss that meet definition of held for trading</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xml:lang="en-US">Derivatives used for hedging</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ProceedsFromPartialDisposalOfSubsidiary" xlink:label="loc_kt_ProceedsFromPartialDisposalOfSubsidiary" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ProceedsFromPartialDisposalOfSubsidiary" xml:lang="en-US">Proceeds from partial disposal of a subsidiary</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ProceedsFromPartialDisposalOfSubsidiary" xml:lang="en-US">Proceeds from the disposal of Subsidiary</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ProceedsFromPartialDisposalOfSubsidiary" xlink:to="lab_kt_ProceedsFromPartialDisposalOfSubsidiary" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ProceedsFromPartialDisposalOfSubsidiary" xml:lang="en-US">Proceeds from partial disposal of a subsidiary.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities" xlink:label="loc_ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities" xml:lang="en-US">Financial assets pledged as collateral for liabilities or contingent liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities" xml:lang="en-US">Available-for-sale financial assets investment amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities" xlink:to="lab_ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_UstreamIncMember" xlink:label="loc_kt_UstreamIncMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_UstreamIncMember" xml:lang="en-US">Ustream inc [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_UstreamIncMember" xml:lang="en-US">Ustream Inc. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_UstreamIncMember" xlink:to="lab_kt_UstreamIncMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_UstreamIncMember" xml:lang="en-US">Ustream inc.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="loc_ifrs-full_SignificantInvestmentsInAssociatesAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis" xml:lang="en-US">Associates [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis" xml:lang="en-US">Associates [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:label="loc_ifrs-full_SignificantInvestmentsInAssociatesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesDomain" xml:lang="en-US">Associates [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesDomain" xml:lang="en-US">Entity's total for associates [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:to="lab_ifrs-full_SignificantInvestmentsInAssociatesDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KoreaSoftwareFinancialCooperativeMember" xlink:label="loc_kt_KoreaSoftwareFinancialCooperativeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KoreaSoftwareFinancialCooperativeMember" xml:lang="en-US">Korea Software Financial Cooperative [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KoreaSoftwareFinancialCooperativeMember" xml:lang="en-US">Korea software financial cooperative [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KoreaSoftwareFinancialCooperativeMember" xlink:to="lab_kt_KoreaSoftwareFinancialCooperativeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KoreaSoftwareFinancialCooperativeMember" xml:lang="en-US">Korea software financial cooperative.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EquityInstrumentsListedMember" xlink:label="loc_kt_EquityInstrumentsListedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EquityInstrumentsListedMember" xml:lang="en-US">Equity Instruments Listed [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_EquityInstrumentsListedMember" xml:lang="en-US">Equity Instruments Listed [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EquityInstrumentsListedMember" xlink:to="lab_kt_EquityInstrumentsListedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EquityInstrumentsListedMember" xml:lang="en-US">Equity Instruments Listed.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EquityInstrumentsUnlistedMember" xlink:label="loc_kt_EquityInstrumentsUnlistedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EquityInstrumentsUnlistedMember" xml:lang="en-US">Equity Instruments Unlisted [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_EquityInstrumentsUnlistedMember" xml:lang="en-US">Equity Instruments Unlisted [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EquityInstrumentsUnlistedMember" xlink:to="lab_kt_EquityInstrumentsUnlistedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EquityInstrumentsUnlistedMember" xml:lang="en-US">Equity instruments unlisted.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DebtSecuritiesMember" xlink:label="loc_ifrs-full_DebtSecuritiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DebtSecuritiesMember" xml:lang="en-US">Debt securities [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DebtSecuritiesMember" xml:lang="en-US">Debt instruments [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DebtSecuritiesMember" xlink:to="lab_ifrs-full_DebtSecuritiesMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativesHeldForTradingMember" xlink:label="loc_kt_DerivativesHeldForTradingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativesHeldForTradingMember" xml:lang="en-US">Derivatives Held For Trading [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DerivativesHeldForTradingMember" xml:lang="en-US">Derivatives held for trading [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativesHeldForTradingMember" xlink:to="lab_kt_DerivativesHeldForTradingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativesHeldForTradingMember" xml:lang="en-US">Derivatives Held For Trading.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:label="loc_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Non-current financial assets at fair value through profit or loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Less: non-current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:label="loc_ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Current financial assets at fair value through profit or loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLoss" xml:lang="en-US">Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLoss" xlink:to="lab_ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLoss" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInProfitOrLoss" xlink:label="loc_kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInProfitOrLoss" xml:lang="en-US">Gains Losses On Ineffectiveness Of Cash Flow Hedges Recognized In Profit Or Loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInProfitOrLoss" xml:lang="en-US">Ineffective portion recognized in profit or loss related to cash flow hedges</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInProfitOrLoss" xlink:to="lab_kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInProfitOrLoss" xml:lang="en-US">Gains losses on ineffectiveness of cash flow hedges recognized in profit or loss.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInOtherComprehensiveIncome" xlink:label="loc_kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInOtherComprehensiveIncome" xml:lang="en-US">Gains Losses On Ineffectiveness Of Cash Flow Hedges Recognized In Other Comprehensive Income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInOtherComprehensiveIncome" xml:lang="en-US">Effective portion recognized in profit or loss related to cash flow hedges</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInOtherComprehensiveIncome" xlink:to="lab_kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainsLossesOnIneffectivenessOfCashFlowHedgesRecognizedInOtherComprehensiveIncome" xml:lang="en-US">Gains losses on ineffectiveness of cash flow hedges recognized in other comprehensive income.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Other comprehensive income, before tax, financial assets measured at fair value through other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Valuation gains reclassified from other comprehensive income to profit or loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:label="loc_ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xml:lang="en-US">Current financial assets at fair value through other comprehensive income [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:label="loc_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xml:lang="en-US">Financial assets at fair value through other comprehensive income [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xml:lang="en-US">Financial assets at fair value through other comprehensive income [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:to="lab_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xml:lang="en-US">Financial assets at fair value through other comprehensive income [table]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:label="loc_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xml:lang="en-US">Financial assets at fair value through other comprehensive income [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xml:lang="en-US">Financial assets at fair value through other comprehensive income [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:to="lab_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xml:lang="en-US">Financial assets at fair value through other comprehensive income [line items]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:label="loc_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Non-current financial assets at fair value through other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Less: non-current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:label="loc_ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Current financial assets at fair value through other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestRateSwapContractMember" xlink:label="loc_ifrs-full_InterestRateSwapContractMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InterestRateSwapContractMember" xml:lang="en-US">Interest rate swap contract [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_InterestRateSwapContractMember" xml:lang="en-US">Interest rate swap [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateSwapContractMember" xlink:to="lab_ifrs-full_InterestRateSwapContractMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrencySwapContractMember" xlink:label="loc_ifrs-full_CurrencySwapContractMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrencySwapContractMember" xml:lang="en-US">Currency swap contract [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrencySwapContractMember" xml:lang="en-US">Currency swap [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrencySwapContractMember" xlink:to="lab_ifrs-full_CurrencySwapContractMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativeFinancialAssets" xlink:label="loc_ifrs-full_DerivativeFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DerivativeFinancialAssets" xml:lang="en-US">Derivative financial assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DerivativeFinancialAssets" xml:lang="en-US">Assets, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_DerivativeFinancialAssets" xml:lang="en-US">Derivative financial assets for hedging</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialAssets" xlink:to="lab_ifrs-full_DerivativeFinancialAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:label="loc_ifrs-full_NoncurrentDerivativeFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialAssets" xml:lang="en-US">Non-current derivative financial assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialAssets" xml:lang="en-US">Less: Assets, non-current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentDerivativeFinancialAssets" xlink:to="lab_ifrs-full_NoncurrentDerivativeFinancialAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentDerivativeFinancialAssets" xlink:label="loc_ifrs-full_CurrentDerivativeFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xml:lang="en-US">Current derivative financial assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xml:lang="en-US">Assets, Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDerivativeFinancialAssets" xlink:to="lab_ifrs-full_CurrentDerivativeFinancialAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativeFinancialLiabilities" xlink:label="loc_ifrs-full_DerivativeFinancialLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilities" xml:lang="en-US">Derivative financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilities" xml:lang="en-US">Liabilities, Total</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilities" xml:lang="en-US">Derivative financial liabilities for hedging</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_DerivativeFinancialLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:label="loc_ifrs-full_NoncurrentDerivativeFinancialLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xml:lang="en-US">Non-current derivative financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xml:lang="en-US">Less: Liabilities, non-current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentDerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_NoncurrentDerivativeFinancialLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:label="loc_ifrs-full_CurrentDerivativeFinancialLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xml:lang="en-US">Current derivative financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xml:lang="en-US">Liabilities, Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ForwardContractMember" xlink:label="loc_ifrs-full_ForwardContractMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ForwardContractMember" xml:lang="en-US">Forward contract [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ForwardContractMember" xml:lang="en-US">Currency forwards [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ForwardContractMember" xlink:to="lab_ifrs-full_ForwardContractMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainOnValuationOfDerivatives" xlink:label="loc_kt_GainOnValuationOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainOnValuationOfDerivatives" xml:lang="en-US">Gain On Valuation Of Derivatives</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainOnValuationOfDerivatives" xml:lang="en-US">Valuation gain</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainOnValuationOfDerivatives" xlink:to="lab_kt_GainOnValuationOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainOnValuationOfDerivatives" xml:lang="en-US">Gain on valuation of derivatives.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LossOnValuationOfDerivatives" xlink:label="loc_kt_LossOnValuationOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LossOnValuationOfDerivatives" xml:lang="en-US">Loss on Valuation of Derivatives</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LossOnValuationOfDerivatives" xml:lang="en-US">Valuation loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LossOnValuationOfDerivatives" xlink:to="lab_kt_LossOnValuationOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LossOnValuationOfDerivatives" xml:lang="en-US">Loss on valuation of derivatives.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:label="loc_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xml:lang="en-US">Gains (losses) on cash flow hedges, before tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xml:lang="en-US">Other comprehensive income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:to="lab_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsAbstract" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsAbstract" xml:lang="en-US">Disclosure of detailed information about hedged items [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsAbstract" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsTable" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsTable" xml:lang="en-US">Disclosure of detailed information about hedged items [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsTable" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CurrencyAxis" xlink:label="loc_srt_CurrencyAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_CurrencyAxis" xml:lang="en-US">Currency [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_CurrencyAxis" xml:lang="en-US">Currency [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CurrencyAxis" xlink:to="lab_srt_CurrencyAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2024/currency-2024.xsd#currency_AllCurrenciesDomain" xlink:label="loc_currency_AllCurrenciesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_currency_AllCurrenciesDomain" xml:lang="en-US">All Currencies [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_currency_AllCurrenciesDomain" xml:lang="en-US">All Currencies [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_AllCurrenciesDomain" xlink:to="lab_currency_AllCurrenciesDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2024/currency-2024.xsd#currency_USD" xlink:label="loc_currency_USD" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_currency_USD" xml:lang="en-US">United States of America, Dollars</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_currency_USD" xml:lang="en-US">USD</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_USD" xlink:to="lab_currency_USD" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2024/currency-2024.xsd#currency_JPY" xlink:label="loc_currency_JPY" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_currency_JPY" xml:lang="en-US">Japan, Yen</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_currency_JPY" xml:lang="en-US">JPY</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_JPY" xlink:to="lab_currency_JPY" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2024/currency-2024.xsd#currency_EUR" xlink:label="loc_currency_EUR" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_currency_EUR" xml:lang="en-US">Euro Member Countries, Euro</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_currency_EUR" xml:lang="en-US">EUR</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_EUR" xlink:to="lab_currency_EUR" />
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/currency/2024/currency-2024.xsd#currency_KRW" xlink:label="loc_currency_KRW" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_currency_KRW" xml:lang="en-US">KRW</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_currency_KRW" xml:lang="en-US">KRW</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_KRW" xlink:to="lab_currency_KRW" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsLineItems" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsLineItems" xml:lang="en-US">Disclosure of detailed information about hedged items [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsLineItems" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_HedgedItemAssets" xlink:label="loc_ifrs-full_HedgedItemAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_HedgedItemAssets" xml:lang="en-US">Hedged item, assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_HedgedItemAssets" xml:lang="en-US">Book value of hedged items</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgedItemAssets" xlink:to="lab_ifrs-full_HedgedItemAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainLossOnChangeInFairValueOfHedgedItemUsedAsBasisForRecognisingHedgeIneffectiveness" xlink:label="loc_ifrs-full_GainLossOnChangeInFairValueOfHedgedItemUsedAsBasisForRecognisingHedgeIneffectiveness" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainLossOnChangeInFairValueOfHedgedItemUsedAsBasisForRecognisingHedgeIneffectiveness" xml:lang="en-US">Gain (loss) on change in fair value of hedged item used as basis for recognising hedge ineffectiveness</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GainLossOnChangeInFairValueOfHedgedItemUsedAsBasisForRecognisingHedgeIneffectiveness" xml:lang="en-US">Changes in fair value to calculate the ineffective portion of hedges</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainLossOnChangeInFairValueOfHedgedItemUsedAsBasisForRecognisingHedgeIneffectiveness" xlink:to="lab_ifrs-full_GainLossOnChangeInFairValueOfHedgedItemUsedAsBasisForRecognisingHedgeIneffectiveness" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReserveOfCashFlowHedgesContinuingHedges" xlink:label="loc_ifrs-full_ReserveOfCashFlowHedgesContinuingHedges" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ReserveOfCashFlowHedgesContinuingHedges" xml:lang="en-US">Reserve of cash flow hedges, continuing hedges</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ReserveOfCashFlowHedgesContinuingHedges" xml:lang="en-US">Cash flow hedge reserves</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReserveOfCashFlowHedgesContinuingHedges" xlink:to="lab_ifrs-full_ReserveOfCashFlowHedgesContinuingHedges" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract" xml:lang="en-US">Disclosure of detailed information about hedging instruments [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable" xml:lang="en-US">Disclosure of detailed information about hedging instruments [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems" xml:lang="en-US">Disclosure of detailed information about hedging instruments [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutHedgingInstrumentsLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_HedgingInstrumentAssets" xlink:label="loc_ifrs-full_HedgingInstrumentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_HedgingInstrumentAssets" xml:lang="en-US">Hedging instrument, assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_HedgingInstrumentAssets" xml:lang="en-US">Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgingInstrumentAssets" xlink:to="lab_ifrs-full_HedgingInstrumentAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_HedgingInstrumentLiabilities" xlink:label="loc_ifrs-full_HedgingInstrumentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_HedgingInstrumentLiabilities" xml:lang="en-US">Hedging instrument, liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_HedgingInstrumentLiabilities" xml:lang="en-US">Liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgingInstrumentLiabilities" xlink:to="lab_ifrs-full_HedgingInstrumentLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness" xlink:label="loc_ifrs-full_GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness" xml:lang="en-US">Gain (loss) on change in fair value of hedging instrument used as basis for recognising hedge ineffectiveness</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness" xml:lang="en-US">Changes in fair value to calculate the ineffective portion of hedges</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness" xlink:to="lab_ifrs-full_GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ContractAmountOfHedgingInstrument" xlink:label="loc_kt_ContractAmountOfHedgingInstrument" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ContractAmountOfHedgingInstrument" xml:lang="en-US">Contract Amount Of Hedging Instrument</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ContractAmountOfHedgingInstrument" xml:lang="en-US">Contract amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ContractAmountOfHedgingInstrument" xlink:to="lab_kt_ContractAmountOfHedgingInstrument" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ContractAmountOfHedgingInstrument" xml:lang="en-US">Contract Amount Of Hedging Instrument.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NominalAmountOfHedgingInstrumentsInHedgingRelationshipsToWhichAmendmentsForInterestRateBenchmarkReformAreApplied" xlink:label="loc_ifrs-full_NominalAmountOfHedgingInstrumentsInHedgingRelationshipsToWhichAmendmentsForInterestRateBenchmarkReformAreApplied" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NominalAmountOfHedgingInstrumentsInHedgingRelationshipsToWhichAmendmentsForInterestRateBenchmarkReformAreApplied" xml:lang="en-US">Nominal amount of hedging instruments in hedging relationships to which amendments for interest rate benchmark reform are applied</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NominalAmountOfHedgingInstrumentsInHedgingRelationshipsToWhichAmendmentsForInterestRateBenchmarkReformAreApplied" xml:lang="en-US">Foreign currency</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NominalAmountOfHedgingInstrumentsInHedgingRelationshipsToWhichAmendmentsForInterestRateBenchmarkReformAreApplied" xlink:to="lab_ifrs-full_NominalAmountOfHedgingInstrumentsInHedgingRelationshipsToWhichAmendmentsForInterestRateBenchmarkReformAreApplied" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesAbstract" xlink:label="loc_ifrs-full_DisclosureOfFinancialLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinancialLiabilitiesAbstract" xml:lang="en-US">Disclosure of financial liabilities [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialLiabilitiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfFinancialLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract" xml:lang="en-US">Financial liabilities at fair value through profit or loss [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract" xml:lang="en-US">Financial liabilities at fair value through profit or loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading" xlink:label="loc_ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading" xml:lang="en-US">Derivative financial liabilities held for trading</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading" xml:lang="en-US">Derivatives held for trading</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading" xml:lang="en-US">Derivative liabilities held for trading</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading" xlink:to="lab_ifrs-full_DerivativeFinancialLiabilitiesHeldForTrading" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesTable" xlink:label="loc_ifrs-full_DisclosureOfFinancialLiabilitiesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinancialLiabilitiesTable" xml:lang="en-US">Disclosure of financial liabilities [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinancialLiabilitiesTable" xml:lang="en-US">Disclosure of financial liabilities [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialLiabilitiesTable" xlink:to="lab_ifrs-full_DisclosureOfFinancialLiabilitiesTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" xlink:label="loc_ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" xml:lang="en-US">Disclosure of financial liabilities [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" xml:lang="en-US">Disclosure of financial liabilities [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KBankInc.Member" xlink:label="loc_kt_KBankInc.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KBankInc.Member" xml:lang="en-US">K Bank Inc. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_kt_KBankInc.Member" xml:lang="en-US">K Bank Inc. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KBankInc.Member" xml:lang="en-US">K Bank [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_kt_KBankInc.Member" xml:lang="en-US">K Bank Inc.[Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_KBankInc.Member" xml:lang="en-US">K Bank, Inc.[member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KBankInc.Member" xlink:to="lab_kt_KBankInc.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KBankInc.Member" xml:lang="en-US">K Bank Inc. [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ValuationLossOnFinancialLiabilitiesMember" xlink:label="loc_kt_ValuationLossOnFinancialLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ValuationLossOnFinancialLiabilitiesMember" xml:lang="en-US">Valuation Loss on Financial Liabilities [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ValuationLossOnFinancialLiabilitiesMember" xml:lang="en-US">Valuation loss on financial liabilities [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ValuationLossOnFinancialLiabilitiesMember" xlink:to="lab_kt_ValuationLossOnFinancialLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ValuationLossOnFinancialLiabilitiesMember" xml:lang="en-US">Valuation loss on financial liabilities.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ValuationGainOnFinancialLiabilitiesMember" xlink:label="loc_kt_ValuationGainOnFinancialLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ValuationGainOnFinancialLiabilitiesMember" xml:lang="en-US">Valuation Gain on Financial Liabilities [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ValuationGainOnFinancialLiabilitiesMember" xml:lang="en-US">Valuation gain on financial liabilities [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ValuationGainOnFinancialLiabilitiesMember" xlink:to="lab_kt_ValuationGainOnFinancialLiabilitiesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfInventoriesAbstract" xlink:label="loc_ifrs-full_ClassesOfInventoriesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfInventoriesAbstract" xml:lang="en-US">Classes of current inventories [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfInventoriesAbstract" xlink:to="lab_ifrs-full_ClassesOfInventoriesAbstract" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfInventoriesTable" xlink:label="loc_kt_DisclosureOfInventoriesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfInventoriesTable" xml:lang="en-US">Disclosure of inventories [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfInventoriesTable" xml:lang="en-US">Disclosure of inventories [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfInventoriesTable" xlink:to="lab_kt_DisclosureOfInventoriesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfInventoriesTable" xml:lang="en-US">Disclosure of inventories.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MerchandiseMember" xlink:label="loc_kt_MerchandiseMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MerchandiseMember" xml:lang="en-US">Merchandise [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MerchandiseMember" xml:lang="en-US">Merchandise [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MerchandiseMember" xlink:to="lab_kt_MerchandiseMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MerchandiseMember" xml:lang="en-US">Merchandise.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfInventoriesLineItems" xlink:label="loc_kt_DisclosureOfInventoriesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfInventoriesLineItems" xml:lang="en-US">Disclosure of inventories [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfInventoriesLineItems" xml:lang="en-US">Disclosure of inventories [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfInventoriesLineItems" xlink:to="lab_kt_DisclosureOfInventoriesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfInventoriesLineItems" xml:lang="en-US">Disclosure of inventories [line items]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:label="loc_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xml:lang="en-US">Cost of inventories recognised as expense during period</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xml:lang="en-US">Inventories recognised as expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" xlink:to="lab_ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WritedownsReversalsOfInventories" xlink:label="loc_ifrs-full_WritedownsReversalsOfInventories" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_WritedownsReversalsOfInventories" xml:lang="en-US">Write-downs (reversals of write-downs) of inventories</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_WritedownsReversalsOfInventories" xml:lang="en-US">Valuation loss and reversal of valuation loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WritedownsReversalsOfInventories" xlink:to="lab_ifrs-full_WritedownsReversalsOfInventories" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:label="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xml:lang="en-US">Subclassifications of assets, liabilities and equities [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" xlink:to="lab_ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MiscellaneousAssetsAbstract" xlink:label="loc_ifrs-full_MiscellaneousAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MiscellaneousAssetsAbstract" xml:lang="en-US">Miscellaneous assets [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MiscellaneousAssetsAbstract" xml:lang="en-US">Other assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousAssetsAbstract" xlink:to="lab_ifrs-full_MiscellaneousAssetsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Prepayments" xlink:label="loc_ifrs-full_Prepayments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Prepayments" xml:lang="en-US">Prepayments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Prepayments" xml:lang="en-US">Advance payments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Prepayments" xlink:to="lab_ifrs-full_Prepayments" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentPrepaidExpenses" xlink:label="loc_ifrs-full_CurrentPrepaidExpenses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentPrepaidExpenses" xml:lang="en-US">Current prepaid expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentPrepaidExpenses" xml:lang="en-US">Prepaid expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentPrepaidExpenses" xlink:to="lab_ifrs-full_CurrentPrepaidExpenses" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ContractAssets" xlink:label="loc_ifrs-full_ContractAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ContractAssets" xml:lang="en-US">Contract assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ContractAssets" xml:lang="en-US">Contract assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContractAssets" xlink:to="lab_ifrs-full_ContractAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherAssets" xlink:label="loc_ifrs-full_OtherAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherAssets" xml:lang="en-US">Other assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherAssets" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAssets" xlink:to="lab_ifrs-full_OtherAssets" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ContractCost" xlink:label="loc_kt_ContractCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ContractCost" xml:lang="en-US">Contract Cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ContractCost" xml:lang="en-US">Contract Cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ContractCost" xlink:to="lab_kt_ContractCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ContractCost" xml:lang="en-US">Contract cost .</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MiscellaneousLiabilitiesAbstract" xlink:label="loc_ifrs-full_MiscellaneousLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MiscellaneousLiabilitiesAbstract" xml:lang="en-US">Miscellaneous liabilities [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MiscellaneousLiabilitiesAbstract" xml:lang="en-US">Other liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousLiabilitiesAbstract" xlink:to="lab_ifrs-full_MiscellaneousLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Advances" xlink:label="loc_ifrs-full_Advances" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Advances" xml:lang="en-US">Advances received</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Advances" xml:lang="en-US">Advances received</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Advances" xlink:to="lab_ifrs-full_Advances" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CurrentWithholdings" xlink:label="loc_kt_CurrentWithholdings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CurrentWithholdings" xml:lang="en-US">Current withholdings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_CurrentWithholdings" xml:lang="en-US">Withholdings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CurrentWithholdings" xlink:to="lab_kt_CurrentWithholdings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CurrentWithholdings" xml:lang="en-US">Current withholdings.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredIncomeOtherThanContractLiabilities" xlink:label="loc_ifrs-full_DeferredIncomeOtherThanContractLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DeferredIncomeOtherThanContractLiabilities" xml:lang="en-US">Deferred income other than contract liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_DeferredIncomeOtherThanContractLiabilities" xml:lang="en-US">Unearned revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DeferredIncomeOtherThanContractLiabilities" xml:lang="en-US">Deferred revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredIncomeOtherThanContractLiabilities" xlink:to="lab_ifrs-full_DeferredIncomeOtherThanContractLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ContractLiabilities" xlink:label="loc_ifrs-full_ContractLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ContractLiabilities" xml:lang="en-US">Contract liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ContractLiabilities" xml:lang="en-US">Contract liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContractLiabilities" xlink:to="lab_ifrs-full_ContractLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherLiabilities" xlink:label="loc_ifrs-full_OtherLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherLiabilities" xml:lang="en-US">Other liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherLiabilities" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherLiabilities" xlink:to="lab_ifrs-full_OtherLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LandMember" xlink:label="loc_ifrs-full_LandMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LandMember" xml:lang="en-US">Land [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LandMember" xml:lang="en-US">Land [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LandMember" xlink:to="lab_ifrs-full_LandMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MachineryAndEquipment1Member" xlink:label="loc_kt_MachineryAndEquipment1Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MachineryAndEquipment1Member" xml:lang="en-US">Machinery And Equipment1 [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MachineryAndEquipment1Member" xml:lang="en-US">Machinery and equipment1 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MachineryAndEquipment1Member" xlink:to="lab_kt_MachineryAndEquipment1Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MachineryAndEquipment1Member" xml:lang="en-US">Machinery and equipment1 [member].</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:label="loc_ifrs-full_OtherPropertyPlantAndEquipmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember" xml:lang="en-US">Other property, plant and equipment [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember" xml:lang="en-US">Others [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherPropertyPlantAndEquipmentMember" xlink:to="lab_ifrs-full_OtherPropertyPlantAndEquipmentMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ConstructionInProgressMember" xlink:label="loc_ifrs-full_ConstructionInProgressMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ConstructionInProgressMember" xml:lang="en-US">Construction in progress [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ConstructionInProgressMember" xml:lang="en-US">Construction-in-progress [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ConstructionInProgressMember" xlink:to="lab_ifrs-full_ConstructionInProgressMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xml:lang="en-US">Additions other than through business combinations, property, plant and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xml:lang="en-US">Acquisition and capital expenditure</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment" xlink:label="loc_ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment" xml:lang="en-US">Disposals and retirements, property, plant and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment" xml:lang="en-US">Disposal and termination</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:label="loc_ifrs-full_DepreciationPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xml:lang="en-US">Depreciation, property, plant and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xml:lang="en-US">Depreciation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ImpairmentLossPropertyPlantAndEquipment" xlink:label="loc_kt_ImpairmentLossPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ImpairmentLossPropertyPlantAndEquipment" xml:lang="en-US">Impairment Loss Property Plant And Equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_ImpairmentLossPropertyPlantAndEquipment" xml:lang="en-US">Impairment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ImpairmentLossPropertyPlantAndEquipment" xlink:to="lab_kt_ImpairmentLossPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ImpairmentLossPropertyPlantAndEquipment" xml:lang="en-US">Impairment loss property plant And equipment.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesPropertyPlantAndEquipment" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesPropertyPlantAndEquipment" xml:lang="en-US">Increase (decrease) through transfers and other changes, property, plant and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesPropertyPlantAndEquipment" xml:lang="en-US">Transfer in (out)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesPropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xml:lang="en-US">Increase (decrease) through transfers, property, plant and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xml:lang="en-US">Transfer from (to) investment properties</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xml:lang="en-US">Transfer from property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment" xml:lang="en-US">Increase (decrease) through other changes, property, plant and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AcquisitionAndDispositionOfBusinesses" xlink:label="loc_kt_AcquisitionAndDispositionOfBusinesses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AcquisitionAndDispositionOfBusinesses" xml:lang="en-US">Acquisition And Disposition Of Businesses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_kt_AcquisitionAndDispositionOfBusinesses" xml:lang="en-US">Acquisitions and dispositions of subsidiaries</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_AcquisitionAndDispositionOfBusinesses" xml:lang="en-US">Acquisition and disposition of businesses, etc.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_AcquisitionAndDispositionOfBusinesses" xml:lang="en-US">Acquisition and disposition of businesses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AcquisitionAndDispositionOfBusinesses" xlink:to="lab_kt_AcquisitionAndDispositionOfBusinesses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AcquisitionAndDispositionOfBusinesses" xml:lang="en-US">Acquisition and disposition of businesses.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingCostsCapitalised" xlink:label="loc_ifrs-full_BorrowingCostsCapitalised" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BorrowingCostsCapitalised" xml:lang="en-US">Borrowing costs capitalised</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_BorrowingCostsCapitalised" xml:lang="en-US">Borrowing cost capitalized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingCostsCapitalised" xlink:to="lab_ifrs-full_BorrowingCostsCapitalised" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" xlink:label="loc_ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" xml:lang="en-US">Capitalisation rate of borrowing costs eligible for capitalisation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" xml:lang="en-US">Interest rate of capitalized borrowing cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" xlink:to="lab_ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaturityAxis" xlink:label="loc_ifrs-full_MaturityAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MaturityAxis" xml:lang="en-US">Maturity [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MaturityAxis" xml:lang="en-US">Maturity [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAxis" xlink:to="lab_ifrs-full_MaturityAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaturityDomain" xlink:label="loc_ifrs-full_MaturityDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MaturityDomain" xml:lang="en-US">Maturity [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MaturityDomain" xml:lang="en-US">Aggregated time bands [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityDomain" xlink:to="lab_ifrs-full_MaturityDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInvestmentPropertyAbstract" xlink:label="loc_ifrs-full_DisclosureOfInvestmentPropertyAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfInvestmentPropertyAbstract" xml:lang="en-US">Disclosure of detailed information about investment property [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInvestmentPropertyAbstract" xlink:to="lab_ifrs-full_DisclosureOfInvestmentPropertyAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInvestmentPropertyTable" xlink:label="loc_ifrs-full_DisclosureOfInvestmentPropertyTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfInvestmentPropertyTable" xml:lang="en-US">Disclosure of detailed information about investment property [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfInvestmentPropertyTable" xml:lang="en-US">Disclosure of detailed information about investment property [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInvestmentPropertyTable" xlink:to="lab_ifrs-full_DisclosureOfInvestmentPropertyTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:label="loc_ifrs-full_AccumulatedDepreciationAndAmortisationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xml:lang="en-US">Accumulated depreciation and amortisation [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xml:lang="en-US">Accumulated depreciation and amortisation [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:to="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInvestmentPropertyLineItems" xlink:label="loc_ifrs-full_DisclosureOfInvestmentPropertyLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfInvestmentPropertyLineItems" xml:lang="en-US">Disclosure of detailed information about investment property [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfInvestmentPropertyLineItems" xml:lang="en-US">Disclosure of detailed information about investment property [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInvestmentPropertyLineItems" xlink:to="lab_ifrs-full_DisclosureOfInvestmentPropertyLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfInvestmentProperty" xlink:label="loc_ifrs-full_PurchaseOfInvestmentProperty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PurchaseOfInvestmentProperty" xml:lang="en-US">Purchase of investment property</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_PurchaseOfInvestmentProperty" xml:lang="en-US">Acquisition</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfInvestmentProperty" xlink:to="lab_ifrs-full_PurchaseOfInvestmentProperty" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisposalsInvestmentProperty" xlink:label="loc_ifrs-full_DisposalsInvestmentProperty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisposalsInvestmentProperty" xml:lang="en-US">Disposals, investment property</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_DisposalsInvestmentProperty" xml:lang="en-US">Disposal</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisposalsInvestmentProperty" xlink:to="lab_ifrs-full_DisposalsInvestmentProperty" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationInvestmentProperty" xlink:label="loc_ifrs-full_DepreciationInvestmentProperty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DepreciationInvestmentProperty" xml:lang="en-US">Depreciation, investment property</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_DepreciationInvestmentProperty" xml:lang="en-US">Depreciation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationInvestmentProperty" xlink:to="lab_ifrs-full_DepreciationInvestmentProperty" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TransferFromInvestmentPropertyUnderConstructionOrDevelopmentInvestmentPropertyAndOther" xlink:label="loc_kt_TransferFromInvestmentPropertyUnderConstructionOrDevelopmentInvestmentPropertyAndOther" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TransferFromInvestmentPropertyUnderConstructionOrDevelopmentInvestmentPropertyAndOther" xml:lang="en-US">Transfer from investment property under construction or development, investment property and other</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TransferFromInvestmentPropertyUnderConstructionOrDevelopmentInvestmentPropertyAndOther" xml:lang="en-US">Transfer and others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TransferFromInvestmentPropertyUnderConstructionOrDevelopmentInvestmentPropertyAndOther" xlink:to="lab_kt_TransferFromInvestmentPropertyUnderConstructionOrDevelopmentInvestmentPropertyAndOther" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TransferFromInvestmentPropertyUnderConstructionOrDevelopmentInvestmentPropertyAndOther" xml:lang="en-US">Transfer from investment property under construction or development, investment property and other.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfInvestmentPropertyAxis" xlink:label="loc_ifrs-full_TypesOfInvestmentPropertyAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TypesOfInvestmentPropertyAxis" xml:lang="en-US">Types of investment property [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TypesOfInvestmentPropertyAxis" xml:lang="en-US">Types of investment property [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInvestmentPropertyAxis" xlink:to="lab_ifrs-full_TypesOfInvestmentPropertyAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfInvestmentPropertyDomain" xlink:label="loc_ifrs-full_TypesOfInvestmentPropertyDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TypesOfInvestmentPropertyDomain" xml:lang="en-US">Types of investment property [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TypesOfInvestmentPropertyDomain" xml:lang="en-US">Investment property [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInvestmentPropertyDomain" xlink:to="lab_ifrs-full_TypesOfInvestmentPropertyDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentPropertyUnderConstructionOrDevelopmentMember" xlink:label="loc_ifrs-full_InvestmentPropertyUnderConstructionOrDevelopmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InvestmentPropertyUnderConstructionOrDevelopmentMember" xml:lang="en-US">Investment property under construction or development [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_InvestmentPropertyUnderConstructionOrDevelopmentMember" xml:lang="en-US">Investment property, construction-in-progress [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentPropertyUnderConstructionOrDevelopmentMember" xlink:to="lab_ifrs-full_InvestmentPropertyUnderConstructionOrDevelopmentMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentPropertyFairValueUsedAsDeemedCost" xlink:label="loc_ifrs-full_InvestmentPropertyFairValueUsedAsDeemedCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InvestmentPropertyFairValueUsedAsDeemedCost" xml:lang="en-US">Investment property fair value used as deemed cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_InvestmentPropertyFairValueUsedAsDeemedCost" xml:lang="en-US">Fair value of investment properties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentPropertyFairValueUsedAsDeemedCost" xlink:to="lab_ifrs-full_InvestmentPropertyFairValueUsedAsDeemedCost" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RentalIncomeFromInvestmentProperty" xlink:label="loc_ifrs-full_RentalIncomeFromInvestmentProperty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RentalIncomeFromInvestmentProperty" xml:lang="en-US">Rental income from investment property</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RentalIncomeFromInvestmentProperty" xml:lang="en-US">Rental income from investment properties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RentalIncomeFromInvestmentProperty" xlink:to="lab_ifrs-full_RentalIncomeFromInvestmentProperty" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UndiscountedOperatingLeasePaymentsToBeReceived" xlink:label="loc_ifrs-full_UndiscountedOperatingLeasePaymentsToBeReceived" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_UndiscountedOperatingLeasePaymentsToBeReceived" xml:lang="en-US">Undiscounted operating lease payments to be received</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_UndiscountedOperatingLeasePaymentsToBeReceived" xml:lang="en-US">Future minimum lease fee</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UndiscountedOperatingLeasePaymentsToBeReceived" xlink:to="lab_ifrs-full_UndiscountedOperatingLeasePaymentsToBeReceived" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NotLaterThanOneYearMember" xlink:label="loc_ifrs-full_NotLaterThanOneYearMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xml:lang="en-US">Not later than one year [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xml:lang="en-US">Less than 1 year [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotLaterThanOneYearMember" xlink:to="lab_ifrs-full_NotLaterThanOneYearMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:label="loc_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xml:lang="en-US">Later than one year and not later than five years [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xml:lang="en-US">1-5 years [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanFiveYearsMember" xlink:label="loc_ifrs-full_LaterThanFiveYearsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xml:lang="en-US">Later than five years [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xml:lang="en-US">More than 5 years [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xml:lang="en-US">After Jan.1, 2029 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanFiveYearsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xml:lang="en-US">Additions other than through business combinations, intangible assets other than goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xml:lang="en-US">Acquisition and capital expenditure</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisposalsAndRetirementsIntangibleAssetsAndGoodwill" xlink:label="loc_ifrs-full_DisposalsAndRetirementsIntangibleAssetsAndGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisposalsAndRetirementsIntangibleAssetsAndGoodwill" xml:lang="en-US">Disposals and retirements, intangible assets and goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_DisposalsAndRetirementsIntangibleAssetsAndGoodwill" xml:lang="en-US">Disposal and termination</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisposalsAndRetirementsIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_DisposalsAndRetirementsIntangibleAssetsAndGoodwill" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:label="loc_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xml:lang="en-US">Amortisation, intangible assets other than goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xml:lang="en-US">Amortization</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xml:lang="en-US">Amortization of intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xml:lang="en-US">Impairment loss recognised in profit or loss, intangible assets and goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xml:lang="en-US">Impairment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill" xml:lang="en-US">Increase (decrease) through other changes, intangible assets and goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AcquisitionAndDispositionOfIntangibleAssets" xlink:label="loc_kt_AcquisitionAndDispositionOfIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AcquisitionAndDispositionOfIntangibleAssets" xml:lang="en-US">Acquisition and disposition of intangible assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AcquisitionAndDispositionOfIntangibleAssets" xml:lang="en-US">Acquisition and disposition of businesses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AcquisitionAndDispositionOfIntangibleAssets" xlink:to="lab_kt_AcquisitionAndDispositionOfIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AcquisitionAndDispositionOfIntangibleAssets" xml:lang="en-US">Acquisition and disposition of intangible assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xml:lang="en-US">Classes of intangible assets and goodwill [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xml:lang="en-US">Classes of intangible assets and goodwill [domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GoodwillMember" xlink:label="loc_ifrs-full_GoodwillMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GoodwillMember" xml:lang="en-US">Goodwill [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GoodwillMember" xml:lang="en-US">Goodwill [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GoodwillMember" xlink:to="lab_ifrs-full_GoodwillMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ChangeEffectOfUsefulLifeFromMediaContentsAsset" xlink:label="loc_kt_ChangeEffectOfUsefulLifeFromMediaContentsAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ChangeEffectOfUsefulLifeFromMediaContentsAsset" xml:lang="en-US">Change Effect of Useful Life from Media Contents Asset</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ChangeEffectOfUsefulLifeFromMediaContentsAsset" xml:lang="en-US">Changed effect of useful life</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ChangeEffectOfUsefulLifeFromMediaContentsAsset" xlink:to="lab_kt_ChangeEffectOfUsefulLifeFromMediaContentsAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ChangeEffectOfUsefulLifeFromMediaContentsAsset" xml:lang="en-US">Change effect of useful life from media contents asset.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GoodwillNotSubjectToAmortization" xlink:label="loc_kt_GoodwillNotSubjectToAmortization" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GoodwillNotSubjectToAmortization" xml:lang="en-US">Goodwill Not Subject To Amortization</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GoodwillNotSubjectToAmortization" xml:lang="en-US">Goodwill not subject to amortization</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GoodwillNotSubjectToAmortization" xlink:to="lab_kt_GoodwillNotSubjectToAmortization" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GoodwillNotSubjectToAmortization" xml:lang="en-US">Goodwill not subject to amortization.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_FrequencyAxis" xlink:label="loc_kt_FrequencyAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_FrequencyAxis" xml:lang="en-US">Frequency [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_FrequencyAxis" xlink:to="lab_kt_FrequencyAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_FrequencyAxis" xml:lang="en-US">Frequency axis.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_FrequencyDomain" xlink:label="loc_kt_FrequencyDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_FrequencyDomain" xml:lang="en-US">Frequency [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_FrequencyDomain" xlink:to="lab_kt_FrequencyDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_FrequencyDomain" xml:lang="en-US">Frequency domain.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Goodwill" xlink:label="loc_ifrs-full_Goodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Goodwill" xml:lang="en-US">Goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Goodwill" xml:lang="en-US">Goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_Goodwill" xml:lang="en-US">Goodwill</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Goodwill" xlink:to="lab_ifrs-full_Goodwill" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:label="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xml:lang="en-US">Cash-generating units [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xml:lang="en-US">Cash-generating units [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" xlink:to="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesDomain" xlink:label="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesDomain" xml:lang="en-US">Cash-generating units [domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesDomain" xlink:to="lab_ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IctMember" xlink:label="loc_kt_IctMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IctMember" xml:lang="en-US">ICT [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_IctMember" xml:lang="en-US">ICT [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IctMember" xlink:to="lab_kt_IctMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IctMember" xml:lang="en-US">ICT member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_FinanceMember" xlink:label="loc_kt_FinanceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_FinanceMember" xml:lang="en-US">Finance [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_FinanceMember" xml:lang="en-US">Finance [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_FinanceMember" xlink:to="lab_kt_FinanceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_FinanceMember" xml:lang="en-US">Finance.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SatelliteTvMember" xlink:label="loc_kt_SatelliteTvMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SatelliteTvMember" xml:lang="en-US">Satellite TV [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_SatelliteTvMember" xml:lang="en-US">Satellite TV [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SatelliteTvMember" xlink:to="lab_kt_SatelliteTvMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SatelliteTvMember" xml:lang="en-US">Satellite Tv.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KTMosBukbuCoLtdAndOthersMember" xlink:label="loc_kt_KTMosBukbuCoLtdAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KTMosBukbuCoLtdAndOthersMember" xml:lang="en-US">KT MOS Bukbu Co Ltd And Others Member</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KTMosBukbuCoLtdAndOthersMember" xml:lang="en-US">KT MOS Bukbu Co Ltd and others [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KTMosBukbuCoLtdAndOthersMember" xlink:to="lab_kt_KTMosBukbuCoLtdAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KTMosBukbuCoLtdAndOthersMember" xml:lang="en-US">KT MOS Bukbu Co Ltd and others.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MobileServicesMember" xlink:label="loc_kt_MobileServicesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MobileServicesMember" xml:lang="en-US">Mobile services [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MobileServicesMember" xml:lang="en-US">Mobile services [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MobileServicesMember" xlink:to="lab_kt_MobileServicesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MobileServicesMember" xml:lang="en-US">Mobile services member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MillieCoLtdMember" xlink:label="loc_kt_MillieCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MillieCoLtdMember" xml:lang="en-US">MILLIE Co Ltd [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MillieCoLtdMember" xlink:to="lab_kt_MillieCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MillieCoLtdMember" xml:lang="en-US">MILLIE Co Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EpsilonGlobalCommunicationsPteLtdMember" xlink:label="loc_kt_EpsilonGlobalCommunicationsPteLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EpsilonGlobalCommunicationsPteLtdMember" xml:lang="en-US">Epsilon Global Communications Pte Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_EpsilonGlobalCommunicationsPteLtdMember" xml:lang="en-US">Epsilon Global Communications Pte Ltd [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EpsilonGlobalCommunicationsPteLtdMember" xlink:to="lab_kt_EpsilonGlobalCommunicationsPteLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EpsilonGlobalCommunicationsPteLtdMember" xml:lang="en-US">Epsilon global communications pte ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RevenueGrowthRates" xlink:label="loc_kt_RevenueGrowthRates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RevenueGrowthRates" xml:lang="en-US">Revenue Growth Rates</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RevenueGrowthRates" xml:lang="en-US">Expected revenue growth rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RevenueGrowthRates" xlink:to="lab_kt_RevenueGrowthRates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RevenueGrowthRates" xml:lang="en-US">Revenue growth rates.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DiscountRate" xlink:label="loc_kt_DiscountRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DiscountRate" xml:lang="en-US">Discount Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DiscountRate" xml:lang="en-US">Discount rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DiscountRate" xlink:to="lab_kt_DiscountRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DiscountRate" xml:lang="en-US">Discount rate.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xml:lang="en-US">Impairment loss recognised in profit or loss, goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xml:lang="en-US">Impairment loss on goodwill</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfBasisOnWhichUnitsRecoverableAmountHasBeenDetermined" xlink:label="loc_ifrs-full_DescriptionOfBasisOnWhichUnitsRecoverableAmountHasBeenDetermined" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfBasisOnWhichUnitsRecoverableAmountHasBeenDetermined" xml:lang="en-US">Description of basis on which unit's recoverable amount has been determined</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfBasisOnWhichUnitsRecoverableAmountHasBeenDetermined" xml:lang="en-US">Description of calculation of recoverable amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfBasisOnWhichUnitsRecoverableAmountHasBeenDetermined" xlink:to="lab_ifrs-full_DescriptionOfBasisOnWhichUnitsRecoverableAmountHasBeenDetermined" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TerminalGrowthRate" xlink:label="loc_kt_TerminalGrowthRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TerminalGrowthRate" xml:lang="en-US">Terminal Growth Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TerminalGrowthRate" xml:lang="en-US">Terminal growth rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TerminalGrowthRate" xlink:to="lab_kt_TerminalGrowthRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TerminalGrowthRate" xml:lang="en-US">Terminal Growth Rate.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MarketingMember" xlink:label="loc_kt_MarketingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MarketingMember" xml:lang="en-US">Marketing [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MarketingMember" xml:lang="en-US">Marketing [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MarketingMember" xlink:to="lab_kt_MarketingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MarketingMember" xml:lang="en-US">Marketing.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtFinanceMember" xlink:label="loc_kt_KtFinanceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtFinanceMember" xml:lang="en-US">KT Finance [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtFinanceMember" xlink:to="lab_kt_KtFinanceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtFinanceMember" xml:lang="en-US">KT Finance</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SegmentsAxis" xlink:label="loc_ifrs-full_SegmentsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SegmentsAxis" xml:lang="en-US">Segments [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_SegmentsAxis" xml:lang="en-US">Segments [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsAxis" xlink:to="lab_ifrs-full_SegmentsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SegmentsDomain" xlink:label="loc_ifrs-full_SegmentsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SegmentsDomain" xml:lang="en-US">Segments [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_SegmentsDomain" xml:lang="en-US">Segments [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsDomain" xlink:to="lab_ifrs-full_SegmentsDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_UseAboveSentenceAxis" xlink:label="loc_kt_UseAboveSentenceAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_UseAboveSentenceAxis" xml:lang="en-US">USE above Sentence [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_UseAboveSentenceAxis" xlink:to="lab_kt_UseAboveSentenceAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_UseAboveSentenceAxis" xml:lang="en-US">Use above sentence.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_UseAboveSentenceDomain" xlink:label="loc_kt_UseAboveSentenceDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_UseAboveSentenceDomain" xml:lang="en-US">USE above Sentence [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_UseAboveSentenceDomain" xlink:to="lab_kt_UseAboveSentenceDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_UseAboveSentenceDomain" xml:lang="en-US">Use above sentence.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MediaGenieCoLtdMember" xlink:label="loc_kt_MediaGenieCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MediaGenieCoLtdMember" xml:lang="en-US">MEDIA GENIE Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MediaGenieCoLtdMember" xml:lang="en-US">MEDIA GENIE Co Ltd [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MediaGenieCoLtdMember" xlink:to="lab_kt_MediaGenieCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MediaGenieCoLtdMember" xml:lang="en-US">MEDIA GENIE Co Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BookClubMillieMember" xlink:label="loc_kt_BookClubMillieMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BookClubMillieMember" xml:lang="en-US">BOOK CLUB MILLIE [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BookClubMillieMember" xlink:to="lab_kt_BookClubMillieMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PlaydCoLtdMember" xlink:label="loc_kt_PlaydCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PlaydCoLtdMember" xml:lang="en-US">PlayD Co Ltd [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PlaydCoLtdMember" xlink:to="lab_kt_PlaydCoLtdMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract" xml:lang="en-US">Disclosure of associates [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xml:lang="en-US">Disclosure of associates [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xml:lang="en-US">Disclosure of associates [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xml:lang="en-US">Disclosure of information about unconsolidated structured entities controlled by investment entity [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xml:lang="en-US">Disclosure of associates [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xml:lang="en-US">Disclosure of associates [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xml:lang="en-US">Disclosure Of Associates And Joint Ventures [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:label="loc_ifrs-full_ProportionOfOwnershipInterestInAssociate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate" xml:lang="en-US">Proportion of ownership interest in associate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate" xml:lang="en-US">Percentage of ownership</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfOwnershipInterestInAssociate" xlink:to="lab_ifrs-full_ProportionOfOwnershipInterestInAssociate" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CountryOfIncorporationOrResidenceOfAssociate" xlink:label="loc_ifrs-full_CountryOfIncorporationOrResidenceOfAssociate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CountryOfIncorporationOrResidenceOfAssociate" xml:lang="en-US">Country of incorporation of associate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CountryOfIncorporationOrResidenceOfAssociate" xml:lang="en-US">Location</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CountryOfIncorporationOrResidenceOfAssociate" xlink:to="lab_ifrs-full_CountryOfIncorporationOrResidenceOfAssociate" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ReportingPeriodEndDateOfFinancialStatementsOfAssociate" xlink:label="loc_kt_ReportingPeriodEndDateOfFinancialStatementsOfAssociate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ReportingPeriodEndDateOfFinancialStatementsOfAssociate" xml:lang="en-US">Reporting period end date of financial statements of associate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ReportingPeriodEndDateOfFinancialStatementsOfAssociate" xml:lang="en-US">Date of financial statements</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ReportingPeriodEndDateOfFinancialStatementsOfAssociate" xlink:to="lab_kt_ReportingPeriodEndDateOfFinancialStatementsOfAssociate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ReportingPeriodEndDateOfFinancialStatementsOfAssociate" xml:lang="en-US">Reporting period end date of financial statements of associate.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_HyundaiRoboticsCoLtdMember" xlink:label="loc_kt_HyundaiRoboticsCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_HyundaiRoboticsCoLtdMember" xml:lang="en-US">Hyundai Robotics Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_HyundaiRoboticsCoLtdMember" xml:lang="en-US">Hyundai Robotics Co., Ltd. [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_HyundaiRoboticsCoLtdMember" xml:lang="en-US">Hyundai Robotics Co., Ltd. [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_HyundaiRoboticsCoLtdMember" xlink:to="lab_kt_HyundaiRoboticsCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_HyundaiRoboticsCoLtdMember" xml:lang="en-US">Hyundai robotics co ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MegazoneCloudCorporationMember" xlink:label="loc_kt_MegazoneCloudCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MegazoneCloudCorporationMember" xml:lang="en-US">Megazone Cloud Corporation [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MegazoneCloudCorporationMember" xlink:to="lab_kt_MegazoneCloudCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MegazoneCloudCorporationMember" xml:lang="en-US">Megazone Cloud Corporation.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IgisNo.4681GeneralPrivateRealEstateInvestmentCompanyMember" xlink:label="loc_kt_IgisNo.4681GeneralPrivateRealEstateInvestmentCompanyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IgisNo.4681GeneralPrivateRealEstateInvestmentCompanyMember" xml:lang="en-US">IGIS No. 468-1 General Private Real Estate Investment Company [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IgisNo.4681GeneralPrivateRealEstateInvestmentCompanyMember" xlink:to="lab_kt_IgisNo.4681GeneralPrivateRealEstateInvestmentCompanyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IgisNo.4681GeneralPrivateRealEstateInvestmentCompanyMember" xml:lang="en-US">IGIS No. 4681 General Private Real Estate Investment Company.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KTDSCCreativeEconomyYouthStartUpInvestmentFundMember" xlink:label="loc_kt_KTDSCCreativeEconomyYouthStartUpInvestmentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KTDSCCreativeEconomyYouthStartUpInvestmentFundMember" xml:lang="en-US">KT-DSC creative economy youth start-up investment fund [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KTDSCCreativeEconomyYouthStartUpInvestmentFundMember" xlink:to="lab_kt_KTDSCCreativeEconomyYouthStartUpInvestmentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KTDSCCreativeEconomyYouthStartUpInvestmentFundMember" xml:lang="en-US">KT-DSC creative economy youth start-up investment fund.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IgisProfessionalInvestorsPrivateInvestmentRealEstateInvestmentLlcNo.395Member" xlink:label="loc_kt_IgisProfessionalInvestorsPrivateInvestmentRealEstateInvestmentLlcNo.395Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IgisProfessionalInvestorsPrivateInvestmentRealEstateInvestmentLlcNo.395Member" xml:lang="en-US">IGIS No. 395 Professional Investors Private Investment Real Estate Investment LLC</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_IgisProfessionalInvestorsPrivateInvestmentRealEstateInvestmentLlcNo.395Member" xml:lang="en-US">IGIS No. 395 Professional Investors Private Investment Real Estate Investment LLC [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IgisProfessionalInvestorsPrivateInvestmentRealEstateInvestmentLlcNo.395Member" xlink:to="lab_kt_IgisProfessionalInvestorsPrivateInvestmentRealEstateInvestmentLlcNo.395Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IgisProfessionalInvestorsPrivateInvestmentRealEstateInvestmentLlcNo.395Member" xml:lang="en-US">IGIS professional investors private investment real estate investment llc no.395.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KifInvestmentFundMember" xlink:label="loc_kt_KifInvestmentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KifInvestmentFundMember" xml:lang="en-US">KIF Investment Fund [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KifInvestmentFundMember" xlink:to="lab_kt_KifInvestmentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KifInvestmentFundMember" xml:lang="en-US">KIF Investment Fund [Member].</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:label="loc_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xml:lang="en-US">Investments in subsidiaries, joint ventures and associates</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xml:lang="en-US">Beginning</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xml:lang="en-US">Ending</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:to="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AcqusitionDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:label="loc_kt_AcqusitionDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AcqusitionDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xml:lang="en-US">Acqusition disposal of investments in subsidiaries, joint ventures and associates</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AcqusitionDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xml:lang="en-US">Acquisition (Disposal)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AcqusitionDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:to="lab_kt_AcqusitionDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AcqusitionDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xml:lang="en-US">Acquisition (disposal) of investments in subsidiaries, joint ventures and associates.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:label="loc_ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xml:lang="en-US">Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xml:lang="en-US">Share of net profit (loss) from associates and joint ventures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IncreaseDecreaseThroughOtherMovementsInvestmentsInAssociatesAndJointVentures" xlink:label="loc_kt_IncreaseDecreaseThroughOtherMovementsInvestmentsInAssociatesAndJointVentures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IncreaseDecreaseThroughOtherMovementsInvestmentsInAssociatesAndJointVentures" xml:lang="en-US">Increase Decrease Through Other Movements Investments in Associates and Joint Ventures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_IncreaseDecreaseThroughOtherMovementsInvestmentsInAssociatesAndJointVentures" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IncreaseDecreaseThroughOtherMovementsInvestmentsInAssociatesAndJointVentures" xlink:to="lab_kt_IncreaseDecreaseThroughOtherMovementsInvestmentsInAssociatesAndJointVentures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IncreaseDecreaseThroughOtherMovementsInvestmentsInAssociatesAndJointVentures" xml:lang="en-US">The increase (decrease) in Investments in Associates and Joint ventures resulting from other movements.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherAssociatesAndJointVenturesMember" xlink:label="loc_kt_OtherAssociatesAndJointVenturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherAssociatesAndJointVenturesMember" xml:lang="en-US">Other associates and joint ventures [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherAssociatesAndJointVenturesMember" xlink:to="lab_kt_OtherAssociatesAndJointVenturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherAssociatesAndJointVenturesMember" xml:lang="en-US">Other associates and joint ventures.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LsMarineSolutionCoLtdFormerlyKtSubmarineCoLtdMember" xlink:label="loc_kt_LsMarineSolutionCoLtdFormerlyKtSubmarineCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LsMarineSolutionCoLtdFormerlyKtSubmarineCoLtdMember" xml:lang="en-US">LS Marine Solution Co., Ltd.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LsMarineSolutionCoLtdFormerlyKtSubmarineCoLtdMember" xml:lang="en-US">IGILS Marine Solution Co., Ltd. [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_LsMarineSolutionCoLtdFormerlyKtSubmarineCoLtdMember" xml:lang="en-US">LS Marine Solution Co., Ltd [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LsMarineSolutionCoLtdFormerlyKtSubmarineCoLtdMember" xlink:to="lab_kt_LsMarineSolutionCoLtdFormerlyKtSubmarineCoLtdMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsReceived" xlink:label="loc_ifrs-full_DividendsReceived" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DividendsReceived" xml:lang="en-US">Dividends received</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DividendsReceived" xml:lang="en-US">Dividends received from associates</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsReceived" xlink:to="lab_ifrs-full_DividendsReceived" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetAssetsLiabilities" xlink:label="loc_ifrs-full_NetAssetsLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xml:lang="en-US">Assets (liabilities)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NetAssetsLiabilities" xml:lang="en-US">Net assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetAssetsLiabilities" xlink:to="lab_ifrs-full_NetAssetsLiabilities" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ShareOfNetAssetsLiabilitiesInJointVenturesAndAssociates" xlink:label="loc_kt_ShareOfNetAssetsLiabilitiesInJointVenturesAndAssociates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ShareOfNetAssetsLiabilitiesInJointVenturesAndAssociates" xml:lang="en-US">Share of net assets (liabilities) in joint ventures and associates</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ShareOfNetAssetsLiabilitiesInJointVenturesAndAssociates" xml:lang="en-US">Share in net assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ShareOfNetAssetsLiabilitiesInJointVenturesAndAssociates" xlink:to="lab_kt_ShareOfNetAssetsLiabilitiesInJointVenturesAndAssociates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ShareOfNetAssetsLiabilitiesInJointVenturesAndAssociates" xml:lang="en-US">Share of net assets (liabilities) in joint ventures and associates.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IntercompanyTransactionAndOthers" xlink:label="loc_kt_IntercompanyTransactionAndOthers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IntercompanyTransactionAndOthers" xml:lang="en-US">Intercompany Transaction And Others</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_IntercompanyTransactionAndOthers" xml:lang="en-US">Intercompany transaction and others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IntercompanyTransactionAndOthers" xlink:to="lab_kt_IntercompanyTransactionAndOthers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IntercompanyTransactionAndOthers" xml:lang="en-US">Intercompany Transaction And Others</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_UnrecognisedShareOfLossesOfAssociatesAndJointVentures" xlink:label="loc_kt_UnrecognisedShareOfLossesOfAssociatesAndJointVentures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_UnrecognisedShareOfLossesOfAssociatesAndJointVentures" xml:lang="en-US">Unrecognised Share of Losses of Associates and Joint Ventures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_UnrecognisedShareOfLossesOfAssociatesAndJointVentures" xml:lang="en-US">Loss from associates and joint ventures not recognized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_UnrecognisedShareOfLossesOfAssociatesAndJointVentures" xlink:to="lab_kt_UnrecognisedShareOfLossesOfAssociatesAndJointVentures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_UnrecognisedShareOfLossesOfAssociatesAndJointVentures" xml:lang="en-US">The amount of the unrecognised share of associate and joint venture losses if the entity has stopped recognising its share of losses when applying the equity method.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CumulativeUnrecognisedShareOfLossesOfAssociatesAndJointVentures" xlink:label="loc_kt_CumulativeUnrecognisedShareOfLossesOfAssociatesAndJointVentures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CumulativeUnrecognisedShareOfLossesOfAssociatesAndJointVentures" xml:lang="en-US">Cumulative unrecognised share of losses of associates and joint ventures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_CumulativeUnrecognisedShareOfLossesOfAssociatesAndJointVentures" xml:lang="en-US">Accumulated comprehensive loss of associates and joint ventures not recognized</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CumulativeUnrecognisedShareOfLossesOfAssociatesAndJointVentures" xlink:to="lab_kt_CumulativeUnrecognisedShareOfLossesOfAssociatesAndJointVentures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CumulativeUnrecognisedShareOfLossesOfAssociatesAndJointVentures" xml:lang="en-US">The cumulative amount of the unrecognised share of losses of associates and joint ventures if the entity has stopped recognising its share of losses when applying the equity method.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherPayablesAbstract" xlink:label="loc_ifrs-full_TradeAndOtherPayablesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TradeAndOtherPayablesAbstract" xml:lang="en-US">Trade and other payables [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherPayablesAbstract" xlink:to="lab_ifrs-full_TradeAndOtherPayablesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:label="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xml:lang="en-US">Current trade payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xml:lang="en-US">Trade payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" xlink:to="lab_ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentPayables" xlink:label="loc_ifrs-full_OtherCurrentPayables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherCurrentPayables" xml:lang="en-US">Other current payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherCurrentPayables" xml:lang="en-US">Other payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherCurrentPayables" xml:lang="en-US">Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentPayables" xlink:to="lab_ifrs-full_OtherCurrentPayables" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentPayablesToTradeSuppliers" xlink:label="loc_ifrs-full_NoncurrentPayablesToTradeSuppliers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentPayablesToTradeSuppliers" xml:lang="en-US">Non-current trade payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentPayablesToTradeSuppliers" xml:lang="en-US">Trade payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentPayablesToTradeSuppliers" xlink:to="lab_ifrs-full_NoncurrentPayablesToTradeSuppliers" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNoncurrentPayables" xlink:label="loc_ifrs-full_OtherNoncurrentPayables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherNoncurrentPayables" xml:lang="en-US">Other non-current payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherNoncurrentPayables" xml:lang="en-US">Other payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_OtherNoncurrentPayables" xml:lang="en-US">Less: non-current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentPayables" xlink:to="lab_ifrs-full_OtherNoncurrentPayables" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_NonTradePayables" xlink:label="loc_kt_NonTradePayables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_NonTradePayables" xml:lang="en-US">Non Trade Payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_NonTradePayables" xml:lang="en-US">Non-trade payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_NonTradePayables" xlink:to="lab_kt_NonTradePayables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_NonTradePayables" xml:lang="en-US">Non Trade Payables</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Accruals" xlink:label="loc_ifrs-full_Accruals" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Accruals" xml:lang="en-US">Accruals</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Accruals" xml:lang="en-US">Accrued expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Accruals" xlink:to="lab_ifrs-full_Accruals" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepositsFromCustomers" xlink:label="loc_ifrs-full_DepositsFromCustomers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DepositsFromCustomers" xml:lang="en-US">Deposits from customers</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DepositsFromCustomers" xml:lang="en-US">Operating deposits</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepositsFromCustomers" xlink:to="lab_ifrs-full_DepositsFromCustomers" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherPayables" xlink:label="loc_ifrs-full_OtherPayables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherPayables" xml:lang="en-US">Other payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherPayables" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherPayables" xlink:to="lab_ifrs-full_OtherPayables" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CreditSaleLiabilitiesSettlementPayable" xlink:label="loc_kt_CreditSaleLiabilitiesSettlementPayable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CreditSaleLiabilitiesSettlementPayable" xml:lang="en-US">Credit Sale Liabilities Settlement Payable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_CreditSaleLiabilitiesSettlementPayable" xml:lang="en-US">Credit Sale Liabilities Settlement Payable</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CreditSaleLiabilitiesSettlementPayable" xlink:to="lab_kt_CreditSaleLiabilitiesSettlementPayable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CreditSaleLiabilitiesSettlementPayable" xml:lang="en-US">Credit sale liabilities settlement payable.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsAbstract" xlink:label="loc_ifrs-full_BorrowingsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BorrowingsAbstract" xml:lang="en-US">Borrowings [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsAbstract" xlink:to="lab_ifrs-full_BorrowingsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xml:lang="en-US">Disclosure of detailed information about borrowings [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="loc_ifrs-full_BorrowingsByNameAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xml:lang="en-US">Borrowings by name [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xml:lang="en-US">Borrowings by name [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameAxis" xlink:to="lab_ifrs-full_BorrowingsByNameAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsByNameDomain" xlink:label="loc_ifrs-full_BorrowingsByNameDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BorrowingsByNameDomain" xml:lang="en-US">Borrowings by name [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_BorrowingsByNameDomain" xml:lang="en-US">Borrowings by name [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameDomain" xlink:to="lab_ifrs-full_BorrowingsByNameDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DebenturesMember" xlink:label="loc_kt_DebenturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DebenturesMember" xml:lang="en-US">Debentures [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DebenturesMember" xml:lang="en-US">Debentures [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DebenturesMember" xlink:to="lab_kt_DebenturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DebenturesMember" xml:lang="en-US">This member stands for debentures.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xml:lang="en-US">Disclosure of detailed information about borrowings [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsMaturity" xlink:label="loc_ifrs-full_BorrowingsMaturity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BorrowingsMaturity" xml:lang="en-US">Borrowings, maturity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_BorrowingsMaturity" xml:lang="en-US">Maturity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_BorrowingsMaturity" xml:lang="en-US">Maturity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsMaturity" xlink:to="lab_ifrs-full_BorrowingsMaturity" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsInterestRate" xlink:label="loc_ifrs-full_BorrowingsInterestRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xml:lang="en-US">Borrowings, interest rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xml:lang="en-US">Annual interest rates</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xml:lang="en-US">Interest rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xml:lang="en-US">Annual interest rates</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsInterestRate" xlink:to="lab_ifrs-full_BorrowingsInterestRate" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsInterestRateBasis" xlink:label="loc_ifrs-full_BorrowingsInterestRateBasis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BorrowingsInterestRateBasis" xml:lang="en-US">Borrowings, interest rate basis</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_BorrowingsInterestRateBasis" xml:lang="en-US">Annual interest rates description</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsInterestRateBasis" xlink:to="lab_ifrs-full_BorrowingsInterestRateBasis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:label="loc_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xml:lang="en-US">Borrowings, adjustment to interest rate basis</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xml:lang="en-US">Annual interest rates adjustment rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xml:lang="en-US">LIBOR rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:to="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DiscountOnBonds" xlink:label="loc_kt_DiscountOnBonds" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DiscountOnBonds" xml:lang="en-US">Discount On Bonds</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_DiscountOnBonds" xml:lang="en-US">Discount on bonds</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DiscountOnBonds" xlink:to="lab_kt_DiscountOnBonds" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DiscountOnBonds" xml:lang="en-US">Discount on bonds.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MtnpNotesSeptemberZeroSevenTwentyThirtyFourMember" xlink:label="loc_kt_MtnpNotesSeptemberZeroSevenTwentyThirtyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MtnpNotesSeptemberZeroSevenTwentyThirtyFourMember" xml:lang="en-US">MTNP Notes September Zero Seven Twenty Thirty Four [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MtnpNotesSeptemberZeroSevenTwentyThirtyFourMember" xml:lang="en-US">Sept. 07, 2034 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MtnpNotesSeptemberZeroSevenTwentyThirtyFourMember" xlink:to="lab_kt_MtnpNotesSeptemberZeroSevenTwentyThirtyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MtnpNotesSeptemberZeroSevenTwentyThirtyFourMember" xml:lang="en-US">MTNP Notes September Zero Seven Twenty Thirty Four [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MtnpNotesJulyEighteenTwentyTwentySixMember" xlink:label="loc_kt_MtnpNotesJulyEighteenTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MtnpNotesJulyEighteenTwentyTwentySixMember" xml:lang="en-US">MTNP Notes July Eighteen Twenty Twenty Six [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MtnpNotesJulyEighteenTwentyTwentySixMember" xml:lang="en-US">July 18, 2026 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MtnpNotesJulyEighteenTwentyTwentySixMember" xlink:to="lab_kt_MtnpNotesJulyEighteenTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MtnpNotesJulyEighteenTwentyTwentySixMember" xml:lang="en-US">MTNP Notes July Eighteen Twenty Twenty Six [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1833rdPublicBondDecemberTwentyTwoTwentyThirtyOneMember" xlink:label="loc_kt_The1833rdPublicBondDecemberTwentyTwoTwentyThirtyOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1833rdPublicBondDecemberTwentyTwoTwentyThirtyOneMember" xml:lang="en-US">The 183-3rd Public Bond December Twenty Two Twenty Thirty One [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1833rdPublicBondDecemberTwentyTwoTwentyThirtyOneMember" xml:lang="en-US">Dec. 22, 2031 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1833rdPublicBondDecemberTwentyTwoTwentyThirtyOneMember" xlink:to="lab_kt_The1833rdPublicBondDecemberTwentyTwoTwentyThirtyOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1833rdPublicBondDecemberTwentyTwoTwentyThirtyOneMember" xml:lang="en-US">The 183-3rd Public Bond December Twenty Two Twenty Thirty One [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1843rdPublicBondAprilTenTwentyThirtyThreeMember" xlink:label="loc_kt_The1843rdPublicBondAprilTenTwentyThirtyThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1843rdPublicBondAprilTenTwentyThirtyThreeMember" xml:lang="en-US">The 184-3rd Public Bond April Ten Twenty Thirty Three [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1843rdPublicBondAprilTenTwentyThirtyThreeMember" xml:lang="en-US">Apr. 10, 2033 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1843rdPublicBondAprilTenTwentyThirtyThreeMember" xlink:to="lab_kt_The1843rdPublicBondAprilTenTwentyThirtyThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1843rdPublicBondAprilTenTwentyThirtyThreeMember" xml:lang="en-US">The 184-3rd Public Bond April Ten Twenty Thirty Three [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1863rdPublicBondJuneTwentySixTwentyTwentyFourMember" xlink:label="loc_kt_The1863rdPublicBondJuneTwentySixTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1863rdPublicBondJuneTwentySixTwentyTwentyFourMember" xml:lang="en-US">The 186-3rd Public Bond June Twenty six Twenty Twenty Four [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1863rdPublicBondJuneTwentySixTwentyTwentyFourMember" xml:lang="en-US">June 26, 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1863rdPublicBondJuneTwentySixTwentyTwentyFourMember" xlink:to="lab_kt_The1863rdPublicBondJuneTwentySixTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1863rdPublicBondJuneTwentySixTwentyTwentyFourMember" xml:lang="en-US">The 186-3rd Public Bond June Twenty six Twenty Twenty Four [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1864thPublicBondJuneTwentySixTwentyThirtyFourMember" xlink:label="loc_kt_The1864thPublicBondJuneTwentySixTwentyThirtyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1864thPublicBondJuneTwentySixTwentyThirtyFourMember" xml:lang="en-US">The 186-4th Public Bond June Twenty Six Twenty Thirty Four [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1864thPublicBondJuneTwentySixTwentyThirtyFourMember" xml:lang="en-US">June 26, 2034 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1864thPublicBondJuneTwentySixTwentyThirtyFourMember" xlink:to="lab_kt_The1864thPublicBondJuneTwentySixTwentyThirtyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1864thPublicBondJuneTwentySixTwentyThirtyFourMember" xml:lang="en-US">The 186-4th Public Bond June Twenty Six Twenty Thirty Four [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1873rdPublicBondSeptemberZeroTwoTwentyTwentyFourMember" xlink:label="loc_kt_The1873rdPublicBondSeptemberZeroTwoTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1873rdPublicBondSeptemberZeroTwoTwentyTwentyFourMember" xml:lang="en-US">The 187-3rd Public Bond September Zero Two Twenty Twenty Four [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1873rdPublicBondSeptemberZeroTwoTwentyTwentyFourMember" xml:lang="en-US">Sept. 02, 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1873rdPublicBondSeptemberZeroTwoTwentyTwentyFourMember" xlink:to="lab_kt_The1873rdPublicBondSeptemberZeroTwoTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1873rdPublicBondSeptemberZeroTwoTwentyTwentyFourMember" xml:lang="en-US">The 187-3rd Public Bond September Zero Two Twenty Twenty Four [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1874thPublicBondSeptemberZeroTwoTwentyThirtyFourMember" xlink:label="loc_kt_The1874thPublicBondSeptemberZeroTwoTwentyThirtyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1874thPublicBondSeptemberZeroTwoTwentyThirtyFourMember" xml:lang="en-US">The 187-4th Public Bond September Zero Two Twenty Thirty Four [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1874thPublicBondSeptemberZeroTwoTwentyThirtyFourMember" xml:lang="en-US">Sept. 02, 2034 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1874thPublicBondSeptemberZeroTwoTwentyThirtyFourMember" xlink:to="lab_kt_The1874thPublicBondSeptemberZeroTwoTwentyThirtyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1874thPublicBondSeptemberZeroTwoTwentyThirtyFourMember" xml:lang="en-US">The 187-4th Public Bond September Zero Two Twenty Thirty Four [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1882ndPublicBondJanuaryTwentyNineTwentyTwentyFiveMember" xlink:label="loc_kt_The1882ndPublicBondJanuaryTwentyNineTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1882ndPublicBondJanuaryTwentyNineTwentyTwentyFiveMember" xml:lang="en-US">The 188-2nd Public Bond January Twenty Nine Twenty Twenty Five [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1882ndPublicBondJanuaryTwentyNineTwentyTwentyFiveMember" xml:lang="en-US">Jan. 29, 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1882ndPublicBondJanuaryTwentyNineTwentyTwentyFiveMember" xlink:to="lab_kt_The1882ndPublicBondJanuaryTwentyNineTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1882ndPublicBondJanuaryTwentyNineTwentyTwentyFiveMember" xml:lang="en-US">The 188-2nd Public Bond January Twenty Nine Twenty Twenty Five [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1883rdPublicBondJanuaryTwentyNineTwentyThirtyFiveMember" xlink:label="loc_kt_The1883rdPublicBondJanuaryTwentyNineTwentyThirtyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1883rdPublicBondJanuaryTwentyNineTwentyThirtyFiveMember" xml:lang="en-US">The 188-3rd Public Bond January Twenty Nine Twenty Thirty Five [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1883rdPublicBondJanuaryTwentyNineTwentyThirtyFiveMember" xml:lang="en-US">Jan. 29, 2035 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1883rdPublicBondJanuaryTwentyNineTwentyThirtyFiveMember" xlink:to="lab_kt_The1883rdPublicBondJanuaryTwentyNineTwentyThirtyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1883rdPublicBondJanuaryTwentyNineTwentyThirtyFiveMember" xml:lang="en-US">The 188-3rd Public Bond January Twenty Nine Twenty Thirty Five [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1893rdPublicBondJanuaryTwentyEightTwentyTwentySixMember" xlink:label="loc_kt_The1893rdPublicBondJanuaryTwentyEightTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1893rdPublicBondJanuaryTwentyEightTwentyTwentySixMember" xml:lang="en-US">The 189-3rd Public Bond January Twenty Eight Twenty Twenty six [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1893rdPublicBondJanuaryTwentyEightTwentyTwentySixMember" xml:lang="en-US">Jan. 28, 2026 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1893rdPublicBondJanuaryTwentyEightTwentyTwentySixMember" xlink:to="lab_kt_The1893rdPublicBondJanuaryTwentyEightTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1893rdPublicBondJanuaryTwentyEightTwentyTwentySixMember" xml:lang="en-US">The 189-3rd Public Bond January Twenty Eight Twenty Twenty six.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1894thPublicBondJanuaryTwentyEightTwentyThirtySixMember" xlink:label="loc_kt_The1894thPublicBondJanuaryTwentyEightTwentyThirtySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1894thPublicBondJanuaryTwentyEightTwentyThirtySixMember" xml:lang="en-US">The 189-4th Public Bond January Twenty Eight Twenty Thirty six [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1894thPublicBondJanuaryTwentyEightTwentyThirtySixMember" xml:lang="en-US">Jan. 28, 2036 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1894thPublicBondJanuaryTwentyEightTwentyThirtySixMember" xlink:to="lab_kt_The1894thPublicBondJanuaryTwentyEightTwentyThirtySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1894thPublicBondJanuaryTwentyEightTwentyThirtySixMember" xml:lang="en-US">The 189-4th Public Bond January Twenty Eight Twenty Thirty six</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1903rdPublicBondJanuaryThirtyTwentyTwentyEightMember" xlink:label="loc_kt_The1903rdPublicBondJanuaryThirtyTwentyTwentyEightMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1903rdPublicBondJanuaryThirtyTwentyTwentyEightMember" xml:lang="en-US">The 190-3rd Public bond, January thirty, twenty twenty eight [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1903rdPublicBondJanuaryThirtyTwentyTwentyEightMember" xml:lang="en-US">Jan. 30, 2028 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1903rdPublicBondJanuaryThirtyTwentyTwentyEightMember" xlink:to="lab_kt_The1903rdPublicBondJanuaryThirtyTwentyTwentyEightMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1903rdPublicBondJanuaryThirtyTwentyTwentyEightMember" xml:lang="en-US">The 190-3rd Public bond, January thirty, twenty twenty eight.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1904thPublicBondJanuaryThirtyTwentyThirtyEightMember" xlink:label="loc_kt_The1904thPublicBondJanuaryThirtyTwentyThirtyEightMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1904thPublicBondJanuaryThirtyTwentyThirtyEightMember" xml:lang="en-US">The 190-4th Public bond, January thirty, twenty thirty eight [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1904thPublicBondJanuaryThirtyTwentyThirtyEightMember" xml:lang="en-US">Jan. 30, 2038 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1904thPublicBondJanuaryThirtyTwentyThirtyEightMember" xlink:to="lab_kt_The1904thPublicBondJanuaryThirtyTwentyThirtyEightMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1904thPublicBondJanuaryThirtyTwentyThirtyEightMember" xml:lang="en-US">The 190-4th Public bond, January thirty, twenty thirty eight.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MtnpNotesJulyOneNineTwentyTwentyFourMember" xlink:label="loc_kt_MtnpNotesJulyOneNineTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MtnpNotesJulyOneNineTwentyTwentyFourMember" xml:lang="en-US">MTNP Notes July One Nine Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MtnpNotesJulyOneNineTwentyTwentyFourMember" xml:lang="en-US">July 19, 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MtnpNotesJulyOneNineTwentyTwentyFourMember" xlink:to="lab_kt_MtnpNotesJulyOneNineTwentyTwentyFourMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1922ndPublicBondOctoberElevenTwentyTwentyFourMember" xlink:label="loc_kt_The1922ndPublicBondOctoberElevenTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1922ndPublicBondOctoberElevenTwentyTwentyFourMember" xml:lang="en-US">The 1922nd Public bond October Eleven Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1922ndPublicBondOctoberElevenTwentyTwentyFourMember" xml:lang="en-US">Oct, 11, 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1922ndPublicBondOctoberElevenTwentyTwentyFourMember" xlink:to="lab_kt_The1922ndPublicBondOctoberElevenTwentyTwentyFourMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1923rdPublicBondOctoberElevenTwentyTwentyNineMember" xlink:label="loc_kt_The1923rdPublicBondOctoberElevenTwentyTwentyNineMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1923rdPublicBondOctoberElevenTwentyTwentyNineMember" xml:lang="en-US">The 1923rd Public bond October Eleven Twenty Twenty Nine [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1923rdPublicBondOctoberElevenTwentyTwentyNineMember" xml:lang="en-US">Oct, 11, 2029 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1923rdPublicBondOctoberElevenTwentyTwentyNineMember" xlink:to="lab_kt_The1923rdPublicBondOctoberElevenTwentyTwentyNineMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1924thPublicBondOctoberElevenTwentyThirtyNineMember" xlink:label="loc_kt_The1924thPublicBondOctoberElevenTwentyThirtyNineMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1924thPublicBondOctoberElevenTwentyThirtyNineMember" xml:lang="en-US">The 1924th Public bond October Eleven Twenty Thirty Nine [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1924thPublicBondOctoberElevenTwentyThirtyNineMember" xml:lang="en-US">Oct, 11, 2039 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1924thPublicBondOctoberElevenTwentyThirtyNineMember" xlink:to="lab_kt_The1924thPublicBondOctoberElevenTwentyThirtyNineMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MtnpNotesSeptemberZeroOneTwentyTwentyFiveMember" xlink:label="loc_kt_MtnpNotesSeptemberZeroOneTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MtnpNotesSeptemberZeroOneTwentyTwentyFiveMember" xml:lang="en-US">MTNP Notes September Zero One Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MtnpNotesSeptemberZeroOneTwentyTwentyFiveMember" xml:lang="en-US">Sept. 1, 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MtnpNotesSeptemberZeroOneTwentyTwentyFiveMember" xlink:to="lab_kt_MtnpNotesSeptemberZeroOneTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MtnpNotesSeptemberZeroOneTwentyTwentyFiveMember" xml:lang="en-US">MTNP notes september zero one, twenty twenty five member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1932ndPublicBondJuneOneSevenTwentyTwentyFiveMember" xlink:label="loc_kt_The1932ndPublicBondJuneOneSevenTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1932ndPublicBondJuneOneSevenTwentyTwentyFiveMember" xml:lang="en-US">The 193 2nd Public Bond June One Seven Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1932ndPublicBondJuneOneSevenTwentyTwentyFiveMember" xml:lang="en-US">June 17, 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1932ndPublicBondJuneOneSevenTwentyTwentyFiveMember" xlink:to="lab_kt_The1932ndPublicBondJuneOneSevenTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1932ndPublicBondJuneOneSevenTwentyTwentyFiveMember" xml:lang="en-US">The 193-2nd public bond june one seven twenty twenty five member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1933rdPublicBondJuneOneSevenTwentyThirtyMember" xlink:label="loc_kt_The1933rdPublicBondJuneOneSevenTwentyThirtyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1933rdPublicBondJuneOneSevenTwentyThirtyMember" xml:lang="en-US">The 193 3rd Public Bond June One Seven Twenty Thirty [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1933rdPublicBondJuneOneSevenTwentyThirtyMember" xml:lang="en-US">June 17, 2030 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1933rdPublicBondJuneOneSevenTwentyThirtyMember" xlink:to="lab_kt_The1933rdPublicBondJuneOneSevenTwentyThirtyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1933rdPublicBondJuneOneSevenTwentyThirtyMember" xml:lang="en-US">The 193-3rd public bond june one seven twenty thirty member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1934thPublicBondJuneOneFiveTwentyFortyMember" xlink:label="loc_kt_The1934thPublicBondJuneOneFiveTwentyFortyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1934thPublicBondJuneOneFiveTwentyFortyMember" xml:lang="en-US">The 193 4th Public Bond June One Five Twenty Forty [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1934thPublicBondJuneOneFiveTwentyFortyMember" xml:lang="en-US">June 15, 2040 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1934thPublicBondJuneOneFiveTwentyFortyMember" xlink:to="lab_kt_The1934thPublicBondJuneOneFiveTwentyFortyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1934thPublicBondJuneOneFiveTwentyFortyMember" xml:lang="en-US">The 193-4th public bond june one five twenty forty member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1941stPublicBondJanTwentySixTwentyTwentyFourMember" xlink:label="loc_kt_The1941stPublicBondJanTwentySixTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1941stPublicBondJanTwentySixTwentyTwentyFourMember" xml:lang="en-US">The 1941st Public bond Jan Twenty Six Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1941stPublicBondJanTwentySixTwentyTwentyFourMember" xml:lang="en-US">Jan, 26, 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1941stPublicBondJanTwentySixTwentyTwentyFourMember" xlink:to="lab_kt_The1941stPublicBondJanTwentySixTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1941stPublicBondJanTwentySixTwentyTwentyFourMember" xml:lang="en-US">The 1941st Public bond Jan Twenty Six Twenty Twenty Four [Member].</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1942ndPublicBondJanTwentySevenTwentyTwentySixMember" xlink:label="loc_kt_The1942ndPublicBondJanTwentySevenTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1942ndPublicBondJanTwentySevenTwentyTwentySixMember" xml:lang="en-US">The 194 2nd Public bond Jan Twenty Seven Twenty Twenty Six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1942ndPublicBondJanTwentySevenTwentyTwentySixMember" xml:lang="en-US">Jan, 27, 2026 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1942ndPublicBondJanTwentySevenTwentyTwentySixMember" xlink:to="lab_kt_The1942ndPublicBondJanTwentySevenTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1942ndPublicBondJanTwentySevenTwentyTwentySixMember" xml:lang="en-US">The 1941st Public bond Jan Twenty Six Twenty Twenty Four [Member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1943rdPublicBondJanTwentySevenTwentyThirtyOneMember" xlink:label="loc_kt_The1943rdPublicBondJanTwentySevenTwentyThirtyOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1943rdPublicBondJanTwentySevenTwentyThirtyOneMember" xml:lang="en-US">The 194 3rd Public bond Jan Twenty Seven Twenty Thirty One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1943rdPublicBondJanTwentySevenTwentyThirtyOneMember" xml:lang="en-US">Jan, 27, 2031 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1943rdPublicBondJanTwentySevenTwentyThirtyOneMember" xlink:to="lab_kt_The1943rdPublicBondJanTwentySevenTwentyThirtyOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1943rdPublicBondJanTwentySevenTwentyThirtyOneMember" xml:lang="en-US">The 194 3nd Public bond Jan Twenty Seven Twenty thirty one.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1944thPublicBondJanTwentyFiveTwentyFortyOneMember" xlink:label="loc_kt_The1944thPublicBondJanTwentyFiveTwentyFortyOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1944thPublicBondJanTwentyFiveTwentyFortyOneMember" xml:lang="en-US">The 194 4th Public bond Jan Twenty Five Twenty Forty One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1944thPublicBondJanTwentyFiveTwentyFortyOneMember" xml:lang="en-US">Jan, 25, 2041 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1944thPublicBondJanTwentyFiveTwentyFortyOneMember" xlink:to="lab_kt_The1944thPublicBondJanTwentyFiveTwentyFortyOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1944thPublicBondJanTwentyFiveTwentyFortyOneMember" xml:lang="en-US">The 194 4th Public bond Jan Twenty Five Twenty Forty One [Member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MtnpNotesJanTwentyOneTwentySevenMember" xlink:label="loc_kt_MtnpNotesJanTwentyOneTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MtnpNotesJanTwentyOneTwentySevenMember" xml:lang="en-US">MTNP Notes Jan Twenty One Twenty Seven [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MtnpNotesJanTwentyOneTwentySevenMember" xml:lang="en-US">Jan, 21, 2027 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MtnpNotesJanTwentyOneTwentySevenMember" xlink:to="lab_kt_MtnpNotesJanTwentyOneTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MtnpNotesJanTwentyOneTwentySevenMember" xml:lang="en-US">MTNP Notes Jan Twenty One Twenty Seven [Member].</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1951stPublicBondJuneTenTwentyTwentyFourMember" xlink:label="loc_kt_The1951stPublicBondJuneTenTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1951stPublicBondJuneTenTwentyTwentyFourMember" xml:lang="en-US">The 1951st Public bond June Ten Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1951stPublicBondJuneTenTwentyTwentyFourMember" xml:lang="en-US">Jun. 10. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1951stPublicBondJuneTenTwentyTwentyFourMember" xlink:to="lab_kt_The1951stPublicBondJuneTenTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1951stPublicBondJuneTenTwentyTwentyFourMember" xml:lang="en-US">The 1951st Public bond June Ten Twenty Twenty Four [Member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1952ndPublicBondJuneTenTwentyTwentySixMember" xlink:label="loc_kt_The1952ndPublicBondJuneTenTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1952ndPublicBondJuneTenTwentyTwentySixMember" xml:lang="en-US">The 1952nd Public bond June Ten Twenty Twenty Six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1952ndPublicBondJuneTenTwentyTwentySixMember" xml:lang="en-US">Jun. 10. 2026 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1952ndPublicBondJuneTenTwentyTwentySixMember" xlink:to="lab_kt_The1952ndPublicBondJuneTenTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1952ndPublicBondJuneTenTwentyTwentySixMember" xml:lang="en-US">The 1952nd Public bond June Ten Twenty Twenty Six [Member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1953rdPublicBondJuneTenTwentyThirtyOneMember" xlink:label="loc_kt_The1953rdPublicBondJuneTenTwentyThirtyOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1953rdPublicBondJuneTenTwentyThirtyOneMember" xml:lang="en-US">The 195 3rd Public bond June Ten Twenty Thirty One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1953rdPublicBondJuneTenTwentyThirtyOneMember" xml:lang="en-US">Jun. 10. 2031 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1953rdPublicBondJuneTenTwentyThirtyOneMember" xlink:to="lab_kt_The1953rdPublicBondJuneTenTwentyThirtyOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1953rdPublicBondJuneTenTwentyThirtyOneMember" xml:lang="en-US">The 1953rd public bond june ten twenty thirty one.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The181stWonDenominatedUnsecuredBondJulyTwoTwentyTwentyFourMember" xlink:label="loc_kt_The181stWonDenominatedUnsecuredBondJulyTwoTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The181stWonDenominatedUnsecuredBondJulyTwoTwentyTwentyFourMember" xml:lang="en-US">The 18 1st Won denominated unsecured bond July Two Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The181stWonDenominatedUnsecuredBondJulyTwoTwentyTwentyFourMember" xml:lang="en-US">Jul. 02. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The181stWonDenominatedUnsecuredBondJulyTwoTwentyTwentyFourMember" xlink:to="lab_kt_The181stWonDenominatedUnsecuredBondJulyTwoTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The181stWonDenominatedUnsecuredBondJulyTwoTwentyTwentyFourMember" xml:lang="en-US">The 18-1st Won-denominated unsecured bond July Two Twenty Twenty Four [Member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The182ndWonDenominatedUnsecuredBondJulyTwoTwentyTwentySixMember" xlink:label="loc_kt_The182ndWonDenominatedUnsecuredBondJulyTwoTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The182ndWonDenominatedUnsecuredBondJulyTwoTwentyTwentySixMember" xml:lang="en-US">The 18 2nd Won denominated unsecured bond July Two Twenty Twenty Six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The182ndWonDenominatedUnsecuredBondJulyTwoTwentyTwentySixMember" xml:lang="en-US">Jul. 02. 2026 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The182ndWonDenominatedUnsecuredBondJulyTwoTwentyTwentySixMember" xlink:to="lab_kt_The182ndWonDenominatedUnsecuredBondJulyTwoTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The182ndWonDenominatedUnsecuredBondJulyTwoTwentyTwentySixMember" xml:lang="en-US">The 18 2nd Won denominated unsecured bond July Two Twenty Twenty Six [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1491stWonDenominatedUnsecuredBondMarchEightTwentyTwentyFourMember" xlink:label="loc_kt_The1491stWonDenominatedUnsecuredBondMarchEightTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1491stWonDenominatedUnsecuredBondMarchEightTwentyTwentyFourMember" xml:lang="en-US">The 1491st Won denominated unsecured bond March Eight Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1491stWonDenominatedUnsecuredBondMarchEightTwentyTwentyFourMember" xml:lang="en-US">Mar. 08. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1491stWonDenominatedUnsecuredBondMarchEightTwentyTwentyFourMember" xlink:to="lab_kt_The1491stWonDenominatedUnsecuredBondMarchEightTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1491stWonDenominatedUnsecuredBondMarchEightTwentyTwentyFourMember" xml:lang="en-US">The 1491st Won denominated unsecured bond March Eight Twenty Twenty Four [Member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1492ndWonDenominatedUnsecuredBondMarchTenTwentyTwentySixMember" xlink:label="loc_kt_The1492ndWonDenominatedUnsecuredBondMarchTenTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1492ndWonDenominatedUnsecuredBondMarchTenTwentyTwentySixMember" xml:lang="en-US">The 1492nd Won denominated unsecured bond March Ten Twenty Twenty Six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1492ndWonDenominatedUnsecuredBondMarchTenTwentyTwentySixMember" xml:lang="en-US">Mar. 10. 2026 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1492ndWonDenominatedUnsecuredBondMarchTenTwentyTwentySixMember" xlink:to="lab_kt_The1492ndWonDenominatedUnsecuredBondMarchTenTwentyTwentySixMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1502ndWonDenominatedUnsecuredBondAprilEightTwentyTwentyFourMember" xlink:label="loc_kt_The1502ndWonDenominatedUnsecuredBondAprilEightTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1502ndWonDenominatedUnsecuredBondAprilEightTwentyTwentyFourMember" xml:lang="en-US">The 1502nd Won denominated unsecured bond April Eight Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1502ndWonDenominatedUnsecuredBondAprilEightTwentyTwentyFourMember" xml:lang="en-US">Apr. 08. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1502ndWonDenominatedUnsecuredBondAprilEightTwentyTwentyFourMember" xlink:to="lab_kt_The1502ndWonDenominatedUnsecuredBondAprilEightTwentyTwentyFourMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1512ndWonDenominatedUnsecuredBondMayFourteenTwentyTwentyFourMember" xlink:label="loc_kt_The1512ndWonDenominatedUnsecuredBondMayFourteenTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1512ndWonDenominatedUnsecuredBondMayFourteenTwentyTwentyFourMember" xml:lang="en-US">The 1512nd Won denominated unsecured bond May Fourteen Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1512ndWonDenominatedUnsecuredBondMayFourteenTwentyTwentyFourMember" xml:lang="en-US">May 14. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1512ndWonDenominatedUnsecuredBondMayFourteenTwentyTwentyFourMember" xlink:to="lab_kt_The1512ndWonDenominatedUnsecuredBondMayFourteenTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1512ndWonDenominatedUnsecuredBondMayFourteenTwentyTwentyFourMember" xml:lang="en-US">The 1512nd won denominated unsecured bond may fourteen twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1521stWonDenominatedUnsecuredBondAugustThirtyTwentyTwentyFourMember" xlink:label="loc_kt_The1521stWonDenominatedUnsecuredBondAugustThirtyTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1521stWonDenominatedUnsecuredBondAugustThirtyTwentyTwentyFourMember" xml:lang="en-US">The 1521st Won denominated unsecured bond August Thirty Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1521stWonDenominatedUnsecuredBondAugustThirtyTwentyTwentyFourMember" xml:lang="en-US">Aug. 30. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1521stWonDenominatedUnsecuredBondAugustThirtyTwentyTwentyFourMember" xlink:to="lab_kt_The1521stWonDenominatedUnsecuredBondAugustThirtyTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1521stWonDenominatedUnsecuredBondAugustThirtyTwentyTwentyFourMember" xml:lang="en-US">The 1521st won denominated unsecured bond august thirty twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1522ndWonDenominatedUnsecuredBondAugustTwentyEightTwentyTwentySixMember" xlink:label="loc_kt_The1522ndWonDenominatedUnsecuredBondAugustTwentyEightTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1522ndWonDenominatedUnsecuredBondAugustTwentyEightTwentyTwentySixMember" xml:lang="en-US">The 1522nd Won denominated unsecured bond August Twenty Eight Twenty Twenty Six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1522ndWonDenominatedUnsecuredBondAugustTwentyEightTwentyTwentySixMember" xml:lang="en-US">Aug. 28. 2026 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1522ndWonDenominatedUnsecuredBondAugustTwentyEightTwentyTwentySixMember" xlink:to="lab_kt_The1522ndWonDenominatedUnsecuredBondAugustTwentyEightTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1522ndWonDenominatedUnsecuredBondAugustTwentyEightTwentyTwentySixMember" xml:lang="en-US">The 1522nd won denominated unsecured bond august twenty eight twenty twenty six.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1532ndWonDenominatedUnsecuredBondNovemberElevenTwentyTwentyFourMember" xlink:label="loc_kt_The1532ndWonDenominatedUnsecuredBondNovemberElevenTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1532ndWonDenominatedUnsecuredBondNovemberElevenTwentyTwentyFourMember" xml:lang="en-US">The 1532nd Won denominated unsecured bond November Eleven Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1532ndWonDenominatedUnsecuredBondNovemberElevenTwentyTwentyFourMember" xml:lang="en-US">Nov. 11. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1532ndWonDenominatedUnsecuredBondNovemberElevenTwentyTwentyFourMember" xlink:to="lab_kt_The1532ndWonDenominatedUnsecuredBondNovemberElevenTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1532ndWonDenominatedUnsecuredBondNovemberElevenTwentyTwentyFourMember" xml:lang="en-US">The 1532nd won denominated unsecured bond november eleven twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The154thWonDenominatedUnsecuredBondJanuaryTwentyThreeTwentyTwentyFiveMember" xlink:label="loc_kt_The154thWonDenominatedUnsecuredBondJanuaryTwentyThreeTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The154thWonDenominatedUnsecuredBondJanuaryTwentyThreeTwentyTwentyFiveMember" xml:lang="en-US">The 154th Won denominated unsecured bond January Twenty Three Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The154thWonDenominatedUnsecuredBondJanuaryTwentyThreeTwentyTwentyFiveMember" xml:lang="en-US">Jan. 23. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The154thWonDenominatedUnsecuredBondJanuaryTwentyThreeTwentyTwentyFiveMember" xlink:to="lab_kt_The154thWonDenominatedUnsecuredBondJanuaryTwentyThreeTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The154thWonDenominatedUnsecuredBondJanuaryTwentyThreeTwentyTwentyFiveMember" xml:lang="en-US">The 154th won denominated unsecured bond january twenty three twenty twenty five.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_FrNotesNovemberZeroOneTwentyTwentyFourMember" xlink:label="loc_kt_FrNotesNovemberZeroOneTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_FrNotesNovemberZeroOneTwentyTwentyFourMember" xml:lang="en-US">FR Notes November Zero one Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_FrNotesNovemberZeroOneTwentyTwentyFourMember" xml:lang="en-US">Nov 01, 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_FrNotesNovemberZeroOneTwentyTwentyFourMember" xlink:to="lab_kt_FrNotesNovemberZeroOneTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_FrNotesNovemberZeroOneTwentyTwentyFourMember" xml:lang="en-US">Fr notes november zero one twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MtnpNotesAugustEightTwentyTwentyFiveMember" xlink:label="loc_kt_MtnpNotesAugustEightTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MtnpNotesAugustEightTwentyTwentyFiveMember" xml:lang="en-US">Aug. 08. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MtnpNotesAugustEightTwentyTwentyFiveMember" xlink:to="lab_kt_MtnpNotesAugustEightTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MtnpNotesAugustEightTwentyTwentyFiveMember" xml:lang="en-US">Mtnp notes august eight twenty twenty five.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1942ndPublicBondJanuaryFifteenTwentyTwentyFourMember" xlink:label="loc_kt_The1942ndPublicBondJanuaryFifteenTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1942ndPublicBondJanuaryFifteenTwentyTwentyFourMember" xml:lang="en-US">The194 2nd Public Bond January Fifteen Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1942ndPublicBondJanuaryFifteenTwentyTwentyFourMember" xml:lang="en-US">Jan. 15. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1942ndPublicBondJanuaryFifteenTwentyTwentyFourMember" xlink:to="lab_kt_The1942ndPublicBondJanuaryFifteenTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1942ndPublicBondJanuaryFifteenTwentyTwentyFourMember" xml:lang="en-US">The194 2nd public bond january fifteen twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1943rdPublicBondJanuaryFifteenTwentyTwentyNineMember" xlink:label="loc_kt_The1943rdPublicBondJanuaryFifteenTwentyTwentyNineMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1943rdPublicBondJanuaryFifteenTwentyTwentyNineMember" xml:lang="en-US">The194 3rd Public Bond January Fifteen Twenty Twenty Nine [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1943rdPublicBondJanuaryFifteenTwentyTwentyNineMember" xml:lang="en-US">Jan. 15. 2029 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1943rdPublicBondJanuaryFifteenTwentyTwentyNineMember" xlink:to="lab_kt_The1943rdPublicBondJanuaryFifteenTwentyTwentyNineMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1943rdPublicBondJanuaryFifteenTwentyTwentyNineMember" xml:lang="en-US">The194 3rd public bond january fifteen twenty twenty nine.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1944thPublicBondJanuaryFourteenTwentyThirtyNineMember" xlink:label="loc_kt_The1944thPublicBondJanuaryFourteenTwentyThirtyNineMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1944thPublicBondJanuaryFourteenTwentyThirtyNineMember" xml:lang="en-US">The194 4th Public Bond January Fourteen Twenty Thirty Nine [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1944thPublicBondJanuaryFourteenTwentyThirtyNineMember" xml:lang="en-US">Jan. 14. 2039 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1944thPublicBondJanuaryFourteenTwentyThirtyNineMember" xlink:to="lab_kt_The1944thPublicBondJanuaryFourteenTwentyThirtyNineMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1944thPublicBondJanuaryFourteenTwentyThirtyNineMember" xml:lang="en-US">The194 4th public bond january fourteen twenty thirty nine.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1961stPublicBondJanTwentySevenTwentyTwentyFiveMember" xlink:label="loc_kt_The1961stPublicBondJanTwentySevenTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1961stPublicBondJanTwentySevenTwentyTwentyFiveMember" xml:lang="en-US">The1961st Public Bond Jan Twenty Seven Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1961stPublicBondJanTwentySevenTwentyTwentyFiveMember" xml:lang="en-US">Jan. 27. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1961stPublicBondJanTwentySevenTwentyTwentyFiveMember" xlink:to="lab_kt_The1961stPublicBondJanTwentySevenTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1961stPublicBondJanTwentySevenTwentyTwentyFiveMember" xml:lang="en-US">The1961st public bond jan twenty seven twenty twenty five.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1962ndPublicBondJanTwentySevenTwentyTwentySevenMember" xlink:label="loc_kt_The1962ndPublicBondJanTwentySevenTwentyTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1962ndPublicBondJanTwentySevenTwentyTwentySevenMember" xml:lang="en-US">The1962nd Public Bond Jan Twenty Seven Twenty Twenty Seven [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1962ndPublicBondJanTwentySevenTwentyTwentySevenMember" xml:lang="en-US">Jan. 27. 2027 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1962ndPublicBondJanTwentySevenTwentyTwentySevenMember" xlink:to="lab_kt_The1962ndPublicBondJanTwentySevenTwentyTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1962ndPublicBondJanTwentySevenTwentyTwentySevenMember" xml:lang="en-US">The1962nd public bond jan twenty seven twenty twenty seven.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1963rdPublicBondJanTwentySevenTwentyThirtyTwoMember" xlink:label="loc_kt_The1963rdPublicBondJanTwentySevenTwentyThirtyTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1963rdPublicBondJanTwentySevenTwentyThirtyTwoMember" xml:lang="en-US">The1963rd Public Bond Jan Twenty Seven Twenty Thirty Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1963rdPublicBondJanTwentySevenTwentyThirtyTwoMember" xml:lang="en-US">Jan. 27. 2032 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1963rdPublicBondJanTwentySevenTwentyThirtyTwoMember" xlink:to="lab_kt_The1963rdPublicBondJanTwentySevenTwentyThirtyTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1963rdPublicBondJanTwentySevenTwentyThirtyTwoMember" xml:lang="en-US">The1963rd public bond jan twenty seven twenty thirty two.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1971stPublicBondJunTwentySevenTwentyTwentyFiveMember" xlink:label="loc_kt_The1971stPublicBondJunTwentySevenTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1971stPublicBondJunTwentySevenTwentyTwentyFiveMember" xml:lang="en-US">The1971st Public Bond Jun Twenty Seven Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1971stPublicBondJunTwentySevenTwentyTwentyFiveMember" xml:lang="en-US">Jun. 27. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1971stPublicBondJunTwentySevenTwentyTwentyFiveMember" xlink:to="lab_kt_The1971stPublicBondJunTwentySevenTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1971stPublicBondJunTwentySevenTwentyTwentyFiveMember" xml:lang="en-US">The1971st public bond jun twenty seven twenty twenty five.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1972ndPublicBondJunTwentyNineTwentyTwentySevenMember" xlink:label="loc_kt_The1972ndPublicBondJunTwentyNineTwentyTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1972ndPublicBondJunTwentyNineTwentyTwentySevenMember" xml:lang="en-US">The1972nd Public Bond Jun Twenty Nine Twenty Twenty Seven [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1972ndPublicBondJunTwentyNineTwentyTwentySevenMember" xml:lang="en-US">Jun. 29. 2027 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1972ndPublicBondJunTwentyNineTwentyTwentySevenMember" xlink:to="lab_kt_The1972ndPublicBondJunTwentyNineTwentyTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1972ndPublicBondJunTwentyNineTwentyTwentySevenMember" xml:lang="en-US">The1972nd public bond jun twenty nine twenty twenty seven.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1551stWondenominatedUnsecuredBondFebTwentyNineTwentyTwentyFourMember" xlink:label="loc_kt_The1551stWondenominatedUnsecuredBondFebTwentyNineTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1551stWondenominatedUnsecuredBondFebTwentyNineTwentyTwentyFourMember" xml:lang="en-US">The 1551st WonDenominated Unsecured Bond Feb Twenty Nine Twenty twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1551stWondenominatedUnsecuredBondFebTwentyNineTwentyTwentyFourMember" xml:lang="en-US">Feb. 29. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1551stWondenominatedUnsecuredBondFebTwentyNineTwentyTwentyFourMember" xlink:to="lab_kt_The1551stWondenominatedUnsecuredBondFebTwentyNineTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1551stWondenominatedUnsecuredBondFebTwentyNineTwentyTwentyFourMember" xml:lang="en-US">The 155-1st won-denominated unsecured bond feb twenty nine twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1552ndWondenominatedUnsecuredBondSepTwoTwentyTwentyFourMember" xlink:label="loc_kt_The1552ndWondenominatedUnsecuredBondSepTwoTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1552ndWondenominatedUnsecuredBondSepTwoTwentyTwentyFourMember" xml:lang="en-US">The 1552nd Wondenominated Unsecured Bond Sep Two Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1552ndWondenominatedUnsecuredBondSepTwoTwentyTwentyFourMember" xml:lang="en-US">Sep. 02. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1552ndWondenominatedUnsecuredBondSepTwoTwentyTwentyFourMember" xlink:to="lab_kt_The1552ndWondenominatedUnsecuredBondSepTwoTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1552ndWondenominatedUnsecuredBondSepTwoTwentyTwentyFourMember" xml:lang="en-US">The 1552nd wondenominated unsecured bond sep two twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1553rdWondenominatedUnsecuredBondFebTwentyEightTwentyTwentyFiveMember" xlink:label="loc_kt_The1553rdWondenominatedUnsecuredBondFebTwentyEightTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1553rdWondenominatedUnsecuredBondFebTwentyEightTwentyTwentyFiveMember" xml:lang="en-US">The 1553rd Wondenominated Unsecured Bond Feb Twenty Eight Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1553rdWondenominatedUnsecuredBondFebTwentyEightTwentyTwentyFiveMember" xml:lang="en-US">Feb. 28. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1553rdWondenominatedUnsecuredBondFebTwentyEightTwentyTwentyFiveMember" xlink:to="lab_kt_The1553rdWondenominatedUnsecuredBondFebTwentyEightTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1553rdWondenominatedUnsecuredBondFebTwentyEightTwentyTwentyFiveMember" xml:lang="en-US">The 1553rd wondenominated unsecured bond feb twenty eight twenty twenty five.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1561stWondenominatedUnsecuredBondMarTwentyFiveTwentyTwentyFiveMember" xlink:label="loc_kt_The1561stWondenominatedUnsecuredBondMarTwentyFiveTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1561stWondenominatedUnsecuredBondMarTwentyFiveTwentyTwentyFiveMember" xml:lang="en-US">The 1561st Wondenominated Unsecured Bond Mar Twenty Five Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1561stWondenominatedUnsecuredBondMarTwentyFiveTwentyTwentyFiveMember" xml:lang="en-US">Mar. 25. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1561stWondenominatedUnsecuredBondMarTwentyFiveTwentyTwentyFiveMember" xlink:to="lab_kt_The1561stWondenominatedUnsecuredBondMarTwentyFiveTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1561stWondenominatedUnsecuredBondMarTwentyFiveTwentyTwentyFiveMember" xml:lang="en-US">The 1561st wondenominated unsecured bond mar twenty five twenty twenty five.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1562ndWondenominatedUnsecuredBondMarTwentyFiveTwentyThirtyTwoMember" xlink:label="loc_kt_The1562ndWondenominatedUnsecuredBondMarTwentyFiveTwentyThirtyTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1562ndWondenominatedUnsecuredBondMarTwentyFiveTwentyThirtyTwoMember" xml:lang="en-US">The 1562nd Wondenominated Unsecured Bond Mar Twenty Five Twenty Thirty Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1562ndWondenominatedUnsecuredBondMarTwentyFiveTwentyThirtyTwoMember" xml:lang="en-US">Mar. 25. 2032 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1562ndWondenominatedUnsecuredBondMarTwentyFiveTwentyThirtyTwoMember" xlink:to="lab_kt_The1562ndWondenominatedUnsecuredBondMarTwentyFiveTwentyThirtyTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1562ndWondenominatedUnsecuredBondMarTwentyFiveTwentyThirtyTwoMember" xml:lang="en-US">The 1562nd wondenominated unsecured bond mar twenty five twenty thirty two.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The158thWondenominatedUnsecuredBondJanTwentySevenTwentyTwentyFiveMember" xlink:label="loc_kt_The158thWondenominatedUnsecuredBondJanTwentySevenTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The158thWondenominatedUnsecuredBondJanTwentySevenTwentyTwentyFiveMember" xml:lang="en-US">The 158th Wondenominated Unsecured Bond Jan Twenty Seven Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The158thWondenominatedUnsecuredBondJanTwentySevenTwentyTwentyFiveMember" xml:lang="en-US">Jan. 27. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The158thWondenominatedUnsecuredBondJanTwentySevenTwentyTwentyFiveMember" xlink:to="lab_kt_The158thWondenominatedUnsecuredBondJanTwentySevenTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The158thWondenominatedUnsecuredBondJanTwentySevenTwentyTwentyFiveMember" xml:lang="en-US">The 158th wondenominated unsecured bond jan twenty seven twenty twenty five.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1591stWondenominatedUnsecuredBondAugZeroNineTwentyTwentyFourMember" xlink:label="loc_kt_The1591stWondenominatedUnsecuredBondAugZeroNineTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1591stWondenominatedUnsecuredBondAugZeroNineTwentyTwentyFourMember" xml:lang="en-US">The 1591st Wondenominated Unsecured Bond Aug Zero Nine Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1591stWondenominatedUnsecuredBondAugZeroNineTwentyTwentyFourMember" xml:lang="en-US">Aug. 09. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1591stWondenominatedUnsecuredBondAugZeroNineTwentyTwentyFourMember" xlink:to="lab_kt_The1591stWondenominatedUnsecuredBondAugZeroNineTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1591stWondenominatedUnsecuredBondAugZeroNineTwentyTwentyFourMember" xml:lang="en-US">The 1591st wondenominated unsecured bond aug zero nine twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1592ndWondenominatedUnsecuredBondElevenTwentyTwentySevenMember" xlink:label="loc_kt_The1592ndWondenominatedUnsecuredBondElevenTwentyTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1592ndWondenominatedUnsecuredBondElevenTwentyTwentySevenMember" xml:lang="en-US">The 1592nd Wondenominated Unsecured Bond Eleven Twenty Twenty Seven [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1592ndWondenominatedUnsecuredBondElevenTwentyTwentySevenMember" xml:lang="en-US">Aug. 11. 2027 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1592ndWondenominatedUnsecuredBondElevenTwentyTwentySevenMember" xlink:to="lab_kt_The1592ndWondenominatedUnsecuredBondElevenTwentyTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1592ndWondenominatedUnsecuredBondElevenTwentyTwentySevenMember" xml:lang="en-US">The 1592nd wondenominated unsecured bond eleven twenty twenty seven.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1601stWondenominatedUnsecuredBondJunFourteenTwentyTwentyFourMember" xlink:label="loc_kt_The1601stWondenominatedUnsecuredBondJunFourteenTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1601stWondenominatedUnsecuredBondJunFourteenTwentyTwentyFourMember" xml:lang="en-US">The 1601st Wondenominated Unsecured Bond Jun Fourteen Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1601stWondenominatedUnsecuredBondJunFourteenTwentyTwentyFourMember" xml:lang="en-US">Jun.14. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1601stWondenominatedUnsecuredBondJunFourteenTwentyTwentyFourMember" xlink:to="lab_kt_The1601stWondenominatedUnsecuredBondJunFourteenTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1601stWondenominatedUnsecuredBondJunFourteenTwentyTwentyFourMember" xml:lang="en-US">The 1601st wondenominated unsecured bond jun fourteen twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1602ndWondenominatedUnsecuredBondDecThirteenTwentyTwentyFourMember" xlink:label="loc_kt_The1602ndWondenominatedUnsecuredBondDecThirteenTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1602ndWondenominatedUnsecuredBondDecThirteenTwentyTwentyFourMember" xml:lang="en-US">The 1602nd Wondenominated Unsecured Bond Dec Thirteen Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1602ndWondenominatedUnsecuredBondDecThirteenTwentyTwentyFourMember" xml:lang="en-US">Dec. 13. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1602ndWondenominatedUnsecuredBondDecThirteenTwentyTwentyFourMember" xlink:to="lab_kt_The1602ndWondenominatedUnsecuredBondDecThirteenTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1602ndWondenominatedUnsecuredBondDecThirteenTwentyTwentyFourMember" xml:lang="en-US">The 1602nd wondenominated unsecured bond dec thirteen twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1603rdWondenominatedUnsecuredBondDecTwelveTwentyTwentyFiveMember" xlink:label="loc_kt_The1603rdWondenominatedUnsecuredBondDecTwelveTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1603rdWondenominatedUnsecuredBondDecTwelveTwentyTwentyFiveMember" xml:lang="en-US">The 1603rd Wondenominated Unsecured Bond Dec Twelve Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1603rdWondenominatedUnsecuredBondDecTwelveTwentyTwentyFiveMember" xml:lang="en-US">Dec. 12. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1603rdWondenominatedUnsecuredBondDecTwelveTwentyTwentyFiveMember" xlink:to="lab_kt_The1603rdWondenominatedUnsecuredBondDecTwelveTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1603rdWondenominatedUnsecuredBondDecTwelveTwentyTwentyFiveMember" xml:lang="en-US">The 1603rd wondenominated unsecured bond dec twelve twenty twenty five.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1611stWondenominatedUnsecuredBondJunTwentyOneTwentyTwentyFourMember" xlink:label="loc_kt_The1611stWondenominatedUnsecuredBondJunTwentyOneTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1611stWondenominatedUnsecuredBondJunTwentyOneTwentyTwentyFourMember" xml:lang="en-US">The 1611st Wondenominated Unsecured Bond Jun Twenty One Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1611stWondenominatedUnsecuredBondJunTwentyOneTwentyTwentyFourMember" xml:lang="en-US">Jun. 21. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1611stWondenominatedUnsecuredBondJunTwentyOneTwentyTwentyFourMember" xlink:to="lab_kt_The1611stWondenominatedUnsecuredBondJunTwentyOneTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1611stWondenominatedUnsecuredBondJunTwentyOneTwentyTwentyFourMember" xml:lang="en-US">The 1611st wondenominated unsecured bond jun twenty one twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1612ndWondenominatedUnsecuredBondDecTwentyTwentyTwentyFourMember" xlink:label="loc_kt_The1612ndWondenominatedUnsecuredBondDecTwentyTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1612ndWondenominatedUnsecuredBondDecTwentyTwentyTwentyFourMember" xml:lang="en-US">The 1612nd Wondenominated Unsecured Bond Dec Twenty Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1612ndWondenominatedUnsecuredBondDecTwentyTwentyTwentyFourMember" xml:lang="en-US">Dec. 20. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1612ndWondenominatedUnsecuredBondDecTwentyTwentyTwentyFourMember" xlink:to="lab_kt_The1612ndWondenominatedUnsecuredBondDecTwentyTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1612ndWondenominatedUnsecuredBondDecTwentyTwentyTwentyFourMember" xml:lang="en-US">The 1612nd wondenominated unsecured bond dec twenty twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1613rdWondenominatedUnsecuredBondJunTwentyTwentyTwentyFiveMember" xlink:label="loc_kt_The1613rdWondenominatedUnsecuredBondJunTwentyTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1613rdWondenominatedUnsecuredBondJunTwentyTwentyTwentyFiveMember" xml:lang="en-US">The 1613rd Wondenominated Unsecured Bond Jun Twenty Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1613rdWondenominatedUnsecuredBondJunTwentyTwentyTwentyFiveMember" xml:lang="en-US">Jun. 20. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1613rdWondenominatedUnsecuredBondJunTwentyTwentyTwentyFiveMember" xlink:to="lab_kt_The1613rdWondenominatedUnsecuredBondJunTwentyTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1613rdWondenominatedUnsecuredBondJunTwentyTwentyTwentyFiveMember" xml:lang="en-US">The 1613rd wondenominated unsecured bond jun twenty twenty twenty five.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1614thWondenominatedUnsecuredBondDecTwentyTwoTwentyTwentyFiveMember" xlink:label="loc_kt_The1614thWondenominatedUnsecuredBondDecTwentyTwoTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1614thWondenominatedUnsecuredBondDecTwentyTwoTwentyTwentyFiveMember" xml:lang="en-US">The 1614th Wondenominated Unsecured Bond Dec Twenty Two Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1614thWondenominatedUnsecuredBondDecTwentyTwoTwentyTwentyFiveMember" xml:lang="en-US">Dec. 22. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1614thWondenominatedUnsecuredBondDecTwentyTwoTwentyTwentyFiveMember" xlink:to="lab_kt_The1614thWondenominatedUnsecuredBondDecTwentyTwoTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1614thWondenominatedUnsecuredBondDecTwentyTwoTwentyTwentyFiveMember" xml:lang="en-US">The 1614th wondenominated unsecured bond dec twenty two twenty twenty five.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1622ndWondenominatedUnsecuredBondJanTwentySixTwentyTwentyFourMember" xlink:label="loc_kt_The1622ndWondenominatedUnsecuredBondJanTwentySixTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1622ndWondenominatedUnsecuredBondJanTwentySixTwentyTwentyFourMember" xml:lang="en-US">The 1622nd Wondenominated Unsecured Bond Jan Twenty Six Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1622ndWondenominatedUnsecuredBondJanTwentySixTwentyTwentyFourMember" xml:lang="en-US">Jan. 26. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1622ndWondenominatedUnsecuredBondJanTwentySixTwentyTwentyFourMember" xlink:to="lab_kt_The1622ndWondenominatedUnsecuredBondJanTwentySixTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1622ndWondenominatedUnsecuredBondJanTwentySixTwentyTwentyFourMember" xml:lang="en-US">The 1622nd wondenominated unsecured bond jan twenty six twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1623rdWondenominatedUnsecuredBondAprTwentySixTwentyTwentyFourMember" xlink:label="loc_kt_The1623rdWondenominatedUnsecuredBondAprTwentySixTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1623rdWondenominatedUnsecuredBondAprTwentySixTwentyTwentyFourMember" xml:lang="en-US">The 1623rd Wondenominated Unsecured Bond Apr Twenty Six Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1623rdWondenominatedUnsecuredBondAprTwentySixTwentyTwentyFourMember" xml:lang="en-US">Apr. 26. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1623rdWondenominatedUnsecuredBondAprTwentySixTwentyTwentyFourMember" xlink:to="lab_kt_The1623rdWondenominatedUnsecuredBondAprTwentySixTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1623rdWondenominatedUnsecuredBondAprTwentySixTwentyTwentyFourMember" xml:lang="en-US">The 1914th public bond apr twenty six twenty twenty four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1981stPublicBondJanuaryTenTwentyTwentyFiveMember" xlink:label="loc_kt_The1981stPublicBondJanuaryTenTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1981stPublicBondJanuaryTenTwentyTwentyFiveMember" xml:lang="en-US">The 1981st Public Bond January Ten Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1981stPublicBondJanuaryTenTwentyTwentyFiveMember" xml:lang="en-US">Jan. 10. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1981stPublicBondJanuaryTenTwentyTwentyFiveMember" xlink:to="lab_kt_The1981stPublicBondJanuaryTenTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1981stPublicBondJanuaryTenTwentyTwentyFiveMember" xml:lang="en-US">The 1981st public bond january ten twenty twenty five member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1982ndPublicBondJanuaryTwelveTwentyTwentySixMember" xlink:label="loc_kt_The1982ndPublicBondJanuaryTwelveTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1982ndPublicBondJanuaryTwelveTwentyTwentySixMember" xml:lang="en-US">The 1982nd Public Bond January Twelve Twenty Twenty Six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1982ndPublicBondJanuaryTwelveTwentyTwentySixMember" xml:lang="en-US">Jan. 12. 2026 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1982ndPublicBondJanuaryTwelveTwentyTwentySixMember" xlink:to="lab_kt_The1982ndPublicBondJanuaryTwelveTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1982ndPublicBondJanuaryTwelveTwentyTwentySixMember" xml:lang="en-US">The 1982nd public bond january twelve twenty twenty six.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1983rdPublicBondJanuaryTwelveTwentyTwentyEightMember" xlink:label="loc_kt_The1983rdPublicBondJanuaryTwelveTwentyTwentyEightMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1983rdPublicBondJanuaryTwelveTwentyTwentyEightMember" xml:lang="en-US">The 1983rd Public Bond January Twelve Twenty Twenty Eight [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1983rdPublicBondJanuaryTwelveTwentyTwentyEightMember" xml:lang="en-US">Jan. 12. 2028 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1983rdPublicBondJanuaryTwelveTwentyTwentyEightMember" xlink:to="lab_kt_The1983rdPublicBondJanuaryTwelveTwentyTwentyEightMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1983rdPublicBondJanuaryTwelveTwentyTwentyEightMember" xml:lang="en-US">The 1983rd public bond january twelve twenty twenty eight.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1991stPublicBondJulyElevenTwentyTwentyFiveMember" xlink:label="loc_kt_The1991stPublicBondJulyElevenTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1991stPublicBondJulyElevenTwentyTwentyFiveMember" xml:lang="en-US">The 1991st Public Bond July Eleven Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1991stPublicBondJulyElevenTwentyTwentyFiveMember" xml:lang="en-US">Jul. 11. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1991stPublicBondJulyElevenTwentyTwentyFiveMember" xlink:to="lab_kt_The1991stPublicBondJulyElevenTwentyTwentyFiveMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1992ndPublicBondJulyTenTwentyTwentySixMember" xlink:label="loc_kt_The1992ndPublicBondJulyTenTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1992ndPublicBondJulyTenTwentyTwentySixMember" xml:lang="en-US">The 1992nd Public Bond July Ten Twenty Twenty Six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1992ndPublicBondJulyTenTwentyTwentySixMember" xml:lang="en-US">Jul. 10. 2026 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1992ndPublicBondJulyTenTwentyTwentySixMember" xlink:to="lab_kt_The1992ndPublicBondJulyTenTwentyTwentySixMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1993rdPublicBondJulyTwelveTwentyTwentyEightMember" xlink:label="loc_kt_The1993rdPublicBondJulyTwelveTwentyTwentyEightMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1993rdPublicBondJulyTwelveTwentyTwentyEightMember" xml:lang="en-US">The 1993rd Public Bond July Twelve Twenty Twenty Eight [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1993rdPublicBondJulyTwelveTwentyTwentyEightMember" xml:lang="en-US">Jul. 12. 2028 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1993rdPublicBondJulyTwelveTwentyTwentyEightMember" xlink:to="lab_kt_The1993rdPublicBondJulyTwelveTwentyTwentyEightMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1631stWondenominatedUnsecuredBondFebTwentyTwentyTwentySixMember" xlink:label="loc_kt_The1631stWondenominatedUnsecuredBondFebTwentyTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1631stWondenominatedUnsecuredBondFebTwentyTwentyTwentySixMember" xml:lang="en-US">The 1631st Wondenominated Unsecured Bond Feb Twenty Twenty Twenty Six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1631stWondenominatedUnsecuredBondFebTwentyTwentyTwentySixMember" xml:lang="en-US">Feb. 20. 2026 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1631stWondenominatedUnsecuredBondFebTwentyTwentyTwentySixMember" xlink:to="lab_kt_The1631stWondenominatedUnsecuredBondFebTwentyTwentyTwentySixMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1632ndWondenominatedUnsecuredBondFebTwentyTwoTwentyTwentyEightMember" xlink:label="loc_kt_The1632ndWondenominatedUnsecuredBondFebTwentyTwoTwentyTwentyEightMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1632ndWondenominatedUnsecuredBondFebTwentyTwoTwentyTwentyEightMember" xml:lang="en-US">The 1632nd Wondenominated Unsecured Bond Feb Twenty Two Twenty Twenty Eight [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1632ndWondenominatedUnsecuredBondFebTwentyTwoTwentyTwentyEightMember" xml:lang="en-US">Feb. 22. 2028 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1632ndWondenominatedUnsecuredBondFebTwentyTwoTwentyTwentyEightMember" xlink:to="lab_kt_The1632ndWondenominatedUnsecuredBondFebTwentyTwoTwentyTwentyEightMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1641stWondenominatedUnsecuredBondAprTwelveTwentyTwentyFourMember" xlink:label="loc_kt_The1641stWondenominatedUnsecuredBondAprTwelveTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1641stWondenominatedUnsecuredBondAprTwelveTwentyTwentyFourMember" xml:lang="en-US">The 1641st Wondenominated Unsecured Bond Apr Twelve Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1641stWondenominatedUnsecuredBondAprTwelveTwentyTwentyFourMember" xml:lang="en-US">Apr. 12. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1641stWondenominatedUnsecuredBondAprTwelveTwentyTwentyFourMember" xlink:to="lab_kt_The1641stWondenominatedUnsecuredBondAprTwelveTwentyTwentyFourMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1642ndWondenominatedUnsecuredBondOctTwentyFourTwentyTwentyFourMember" xlink:label="loc_kt_The1642ndWondenominatedUnsecuredBondOctTwentyFourTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1642ndWondenominatedUnsecuredBondOctTwentyFourTwentyTwentyFourMember" xml:lang="en-US">The 1642nd Wondenominated Unsecured Bond Oct Twenty Four Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1642ndWondenominatedUnsecuredBondOctTwentyFourTwentyTwentyFourMember" xml:lang="en-US">Oct. 24. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1642ndWondenominatedUnsecuredBondOctTwentyFourTwentyTwentyFourMember" xlink:to="lab_kt_The1642ndWondenominatedUnsecuredBondOctTwentyFourTwentyTwentyFourMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1643rdWondenominatedUnsecuredBondAprFourteenTwentyTwentyEightMember" xlink:label="loc_kt_The1643rdWondenominatedUnsecuredBondAprFourteenTwentyTwentyEightMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1643rdWondenominatedUnsecuredBondAprFourteenTwentyTwentyEightMember" xml:lang="en-US">The 1643rd Wondenominated Unsecured Bond Apr Fourteen Twenty Twenty Eight [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1643rdWondenominatedUnsecuredBondAprFourteenTwentyTwentyEightMember" xml:lang="en-US">Apr. 14. 2028 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1643rdWondenominatedUnsecuredBondAprFourteenTwentyTwentyEightMember" xlink:to="lab_kt_The1643rdWondenominatedUnsecuredBondAprFourteenTwentyTwentyEightMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1651stWondenominatedUnsecuredBondMayNineTwentyTwentyFiveMember" xlink:label="loc_kt_The1651stWondenominatedUnsecuredBondMayNineTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1651stWondenominatedUnsecuredBondMayNineTwentyTwentyFiveMember" xml:lang="en-US">The 1651st Wondenominated Unsecured Bond May Nine Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1651stWondenominatedUnsecuredBondMayNineTwentyTwentyFiveMember" xml:lang="en-US">May. 09. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1651stWondenominatedUnsecuredBondMayNineTwentyTwentyFiveMember" xlink:to="lab_kt_The1651stWondenominatedUnsecuredBondMayNineTwentyTwentyFiveMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1642ndWondenominatedUnsecuredBondNovNineTwentyTwentySixMember" xlink:label="loc_kt_The1642ndWondenominatedUnsecuredBondNovNineTwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1642ndWondenominatedUnsecuredBondNovNineTwentyTwentySixMember" xml:lang="en-US">The 1642nd Wondenominated Unsecured Bond Nov Nine Twenty Twenty Six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1642ndWondenominatedUnsecuredBondNovNineTwentyTwentySixMember" xml:lang="en-US">Nov. 09. 2026 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1642ndWondenominatedUnsecuredBondNovNineTwentyTwentySixMember" xlink:to="lab_kt_The1642ndWondenominatedUnsecuredBondNovNineTwentyTwentySixMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1643rdWondenominatedUnsecuredBondMaySevenTwentyTwentySevenMember" xlink:label="loc_kt_The1643rdWondenominatedUnsecuredBondMaySevenTwentyTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1643rdWondenominatedUnsecuredBondMaySevenTwentyTwentySevenMember" xml:lang="en-US">The 1643rd Wondenominated Unsecured Bond May Seven Twenty Twenty Seven [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1643rdWondenominatedUnsecuredBondMaySevenTwentyTwentySevenMember" xml:lang="en-US">May. 07. 2027 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1643rdWondenominatedUnsecuredBondMaySevenTwentyTwentySevenMember" xlink:to="lab_kt_The1643rdWondenominatedUnsecuredBondMaySevenTwentyTwentySevenMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1661stWondenominatedUnsecuredBondNovTwentyTwoTwentyTwentyFourMember" xlink:label="loc_kt_The1661stWondenominatedUnsecuredBondNovTwentyTwoTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1661stWondenominatedUnsecuredBondNovTwentyTwoTwentyTwentyFourMember" xml:lang="en-US">The 1661st Wondenominated Unsecured Bond Nov Twenty Two Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1661stWondenominatedUnsecuredBondNovTwentyTwoTwentyTwentyFourMember" xml:lang="en-US">Nov. 22. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1661stWondenominatedUnsecuredBondNovTwentyTwoTwentyTwentyFourMember" xlink:to="lab_kt_The1661stWondenominatedUnsecuredBondNovTwentyTwoTwentyTwentyFourMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1662ndWondenominatedUnsecuredBondAprTwentyTwoTwentyTwentyFiveMember" xlink:label="loc_kt_The1662ndWondenominatedUnsecuredBondAprTwentyTwoTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1662ndWondenominatedUnsecuredBondAprTwentyTwoTwentyTwentyFiveMember" xml:lang="en-US">The 1662nd Wondenominated Unsecured Bond Apr Twenty Two Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1662ndWondenominatedUnsecuredBondAprTwentyTwoTwentyTwentyFiveMember" xml:lang="en-US">Apr. 22. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1662ndWondenominatedUnsecuredBondAprTwentyTwoTwentyTwentyFiveMember" xlink:to="lab_kt_The1662ndWondenominatedUnsecuredBondAprTwentyTwoTwentyTwentyFiveMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1663rdWondenominatedUnsecuredBondMayTwentyOneTwentyTwentyFiveMember" xlink:label="loc_kt_The1663rdWondenominatedUnsecuredBondMayTwentyOneTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1663rdWondenominatedUnsecuredBondMayTwentyOneTwentyTwentyFiveMember" xml:lang="en-US">The 1663rd Wondenominated Unsecured Bond May Twenty One Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1663rdWondenominatedUnsecuredBondMayTwentyOneTwentyTwentyFiveMember" xml:lang="en-US">May. 21. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1663rdWondenominatedUnsecuredBondMayTwentyOneTwentyTwentyFiveMember" xlink:to="lab_kt_The1663rdWondenominatedUnsecuredBondMayTwentyOneTwentyTwentyFiveMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1664thWondenominatedUnsecuredBondMayTwentyTwoTwentyTwentyFiveMember" xlink:label="loc_kt_The1664thWondenominatedUnsecuredBondMayTwentyTwoTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1664thWondenominatedUnsecuredBondMayTwentyTwoTwentyTwentyFiveMember" xml:lang="en-US">The 1664th Wondenominated Unsecured Bond May Twenty Two Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1664thWondenominatedUnsecuredBondMayTwentyTwoTwentyTwentyFiveMember" xml:lang="en-US">May. 22. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1664thWondenominatedUnsecuredBondMayTwentyTwoTwentyTwentyFiveMember" xlink:to="lab_kt_The1664thWondenominatedUnsecuredBondMayTwentyTwoTwentyTwentyFiveMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1671stWondenominatedUnsecuredBondDecTwentyTwentyTwentyFourMember" xlink:label="loc_kt_The1671stWondenominatedUnsecuredBondDecTwentyTwentyTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1671stWondenominatedUnsecuredBondDecTwentyTwentyTwentyFourMember" xml:lang="en-US">The 1671st Wondenominated Unsecured Bond Dec Twenty Twenty Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1671stWondenominatedUnsecuredBondDecTwentyTwentyTwentyFourMember" xml:lang="en-US">Dec. 20. 2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1671stWondenominatedUnsecuredBondDecTwentyTwentyTwentyFourMember" xlink:to="lab_kt_The1671stWondenominatedUnsecuredBondDecTwentyTwentyTwentyFourMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1672ndWondenominatedUnsecuredBondJanTwentyTwoTwentyTwentyFiveMember" xlink:label="loc_kt_The1672ndWondenominatedUnsecuredBondJanTwentyTwoTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1672ndWondenominatedUnsecuredBondJanTwentyTwoTwentyTwentyFiveMember" xml:lang="en-US">The 1672nd Wondenominated Unsecured Bond Jan Twenty Two Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1672ndWondenominatedUnsecuredBondJanTwentyTwoTwentyTwentyFiveMember" xml:lang="en-US">Jan. 22. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1672ndWondenominatedUnsecuredBondJanTwentyTwoTwentyTwentyFiveMember" xlink:to="lab_kt_The1672ndWondenominatedUnsecuredBondJanTwentyTwoTwentyTwentyFiveMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1673rdWondenominatedUnsecuredBondFebTwentyOneTwentyTwentyFiveMember" xlink:label="loc_kt_The1673rdWondenominatedUnsecuredBondFebTwentyOneTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1673rdWondenominatedUnsecuredBondFebTwentyOneTwentyTwentyFiveMember" xml:lang="en-US">The 1673rd Wondenominated Unsecured Bond Feb Twenty One Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1673rdWondenominatedUnsecuredBondFebTwentyOneTwentyTwentyFiveMember" xml:lang="en-US">Feb. 21. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1673rdWondenominatedUnsecuredBondFebTwentyOneTwentyTwentyFiveMember" xlink:to="lab_kt_The1673rdWondenominatedUnsecuredBondFebTwentyOneTwentyTwentyFiveMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1674thWondenominatedUnsecuredBondDecTwentyTwoTwentyTwentyFiveMember" xlink:label="loc_kt_The1674thWondenominatedUnsecuredBondDecTwentyTwoTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1674thWondenominatedUnsecuredBondDecTwentyTwoTwentyTwentyFiveMember" xml:lang="en-US">The 1674th Wondenominated Unsecured Bond Dec Twenty Two Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1674thWondenominatedUnsecuredBondDecTwentyTwoTwentyTwentyFiveMember" xml:lang="en-US">Dec. 22. 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1674thWondenominatedUnsecuredBondDecTwentyTwoTwentyTwentyFiveMember" xlink:to="lab_kt_The1674thWondenominatedUnsecuredBondDecTwentyTwoTwentyTwentyFiveMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MtnpNotesFebruaryZeroEightTwentyTwentyEightMember" xlink:label="loc_kt_MtnpNotesFebruaryZeroEightTwentyTwentyEightMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MtnpNotesFebruaryZeroEightTwentyTwentyEightMember" xml:lang="en-US">MTNP Notes February Zero Eight Twenty Twenty Eight [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MtnpNotesFebruaryZeroEightTwentyTwentyEightMember" xml:lang="en-US">Feb. 02. 2028 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MtnpNotesFebruaryZeroEightTwentyTwentyEightMember" xlink:to="lab_kt_MtnpNotesFebruaryZeroEightTwentyTwentyEightMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The2001stPublicBondFebruary27TwentyTwentySixMember" xlink:label="loc_kt_The2001stPublicBondFebruary27TwentyTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The2001stPublicBondFebruary27TwentyTwentySixMember" xml:lang="en-US">The 2001st Public bond February 27 Twenty Twenty Six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The2001stPublicBondFebruary27TwentyTwentySixMember" xml:lang="en-US">Feb. 27, 2026 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The2001stPublicBondFebruary27TwentyTwentySixMember" xlink:to="lab_kt_The2001stPublicBondFebruary27TwentyTwentySixMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The2002ndPublicBondFebruary26TwentyTwentySevenMember" xlink:label="loc_kt_The2002ndPublicBondFebruary26TwentyTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The2002ndPublicBondFebruary26TwentyTwentySevenMember" xml:lang="en-US">The 200 2nd Public bond February 26 Twenty Twenty Seven [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The2002ndPublicBondFebruary26TwentyTwentySevenMember" xml:lang="en-US">Feb. 26, 2027 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The2002ndPublicBondFebruary26TwentyTwentySevenMember" xlink:to="lab_kt_The2002ndPublicBondFebruary26TwentyTwentySevenMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The2003rdPublicBondFebruary27TwentyTwentyNineMember" xlink:label="loc_kt_The2003rdPublicBondFebruary27TwentyTwentyNineMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The2003rdPublicBondFebruary27TwentyTwentyNineMember" xml:lang="en-US">The 200 3rd Public bond February 27 Twenty Twenty Nine [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The2003rdPublicBondFebruary27TwentyTwentyNineMember" xml:lang="en-US">Feb. 27, 2029 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The2003rdPublicBondFebruary27TwentyTwentyNineMember" xlink:to="lab_kt_The2003rdPublicBondFebruary27TwentyTwentyNineMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The2011stPublicBondDecemberZeroTwoTwentyTwentySevenMember" xlink:label="loc_kt_The2011stPublicBondDecemberZeroTwoTwentyTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The2011stPublicBondDecemberZeroTwoTwentyTwentySevenMember" xml:lang="en-US">The 201 1st Public bond December Zero Two Twenty Twenty Seven [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The2011stPublicBondDecemberZeroTwoTwentyTwentySevenMember" xml:lang="en-US">Dec. 02, 2027 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The2011stPublicBondDecemberZeroTwoTwentyTwentySevenMember" xlink:to="lab_kt_The2011stPublicBondDecemberZeroTwoTwentyTwentySevenMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The2012ndPublicBondDecemberZeroTwoTwentyTwentyNineMember" xlink:label="loc_kt_The2012ndPublicBondDecemberZeroTwoTwentyTwentyNineMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The2012ndPublicBondDecemberZeroTwoTwentyTwentyNineMember" xml:lang="en-US">The 201 2nd Public bond December Zero Two Twenty Twenty Nine [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The2012ndPublicBondDecemberZeroTwoTwentyTwentyNineMember" xml:lang="en-US">Dec. 02, 2029 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The2012ndPublicBondDecemberZeroTwoTwentyTwentyNineMember" xlink:to="lab_kt_The2012ndPublicBondDecemberZeroTwoTwentyTwentyNineMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The2013rdPublicBondDecemberZeroTwoTwentyThirtyFourMember" xlink:label="loc_kt_The2013rdPublicBondDecemberZeroTwoTwentyThirtyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The2013rdPublicBondDecemberZeroTwoTwentyThirtyFourMember" xml:lang="en-US">The 201 3rd Public bond December Zero Two Twenty Thirty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The2013rdPublicBondDecemberZeroTwoTwentyThirtyFourMember" xml:lang="en-US">Dec. 02, 2034 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The2013rdPublicBondDecemberZeroTwoTwentyThirtyFourMember" xlink:to="lab_kt_The2013rdPublicBondDecemberZeroTwoTwentyThirtyFourMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The191ndUnsecuredBondJuneTwelveTwentyTwentySevenMember" xlink:label="loc_kt_The191ndUnsecuredBondJuneTwelveTwentyTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The191ndUnsecuredBondJuneTwelveTwentyTwentySevenMember" xml:lang="en-US">The 19 1nd unsecured bond June Twelve Twenty Twenty Seven [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The191ndUnsecuredBondJuneTwelveTwentyTwentySevenMember" xml:lang="en-US">Jun. 12, 2027 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The191ndUnsecuredBondJuneTwelveTwentyTwentySevenMember" xlink:to="lab_kt_The191ndUnsecuredBondJuneTwelveTwentyTwentySevenMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The192ndUnsecuredBondJuneTwelveTwentyTwentyNineMember" xlink:label="loc_kt_The192ndUnsecuredBondJuneTwelveTwentyTwentyNineMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The192ndUnsecuredBondJuneTwelveTwentyTwentyNineMember" xml:lang="en-US">The 19 2nd unsecured bond June Twelve Twenty Twenty Nine [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The192ndUnsecuredBondJuneTwelveTwentyTwentyNineMember" xml:lang="en-US">Jun. 12, 2029 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The192ndUnsecuredBondJuneTwelveTwentyTwentyNineMember" xlink:to="lab_kt_The192ndUnsecuredBondJuneTwelveTwentyTwentyNineMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Jun052025Member" xlink:label="loc_kt_Jun052025Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Jun052025Member" xml:lang="en-US">Jun. 05, 2025 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Jun052025Member" xlink:to="lab_kt_Jun052025Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Aug062025Member" xlink:label="loc_kt_Aug062025Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Aug062025Member" xml:lang="en-US">Aug. 06, 2025 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Aug062025Member" xlink:to="lab_kt_Aug062025Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Oct022025Member" xlink:label="loc_kt_Oct022025Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Oct022025Member" xml:lang="en-US">Oct. 02, 2025 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Oct022025Member" xlink:to="lab_kt_Oct022025Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Apr42025Member" xlink:label="loc_kt_Apr42025Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Apr42025Member" xml:lang="en-US">Apr. 4, 2025 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Apr42025Member" xlink:to="lab_kt_Apr42025Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Jun122026Member" xlink:label="loc_kt_Jun122026Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Jun122026Member" xml:lang="en-US">Jun. 12, 2026 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Jun122026Member" xlink:to="lab_kt_Jun122026Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Jun112027Member" xlink:label="loc_kt_Jun112027Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Jun112027Member" xml:lang="en-US">Jun.11, 2027 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Jun112027Member" xlink:to="lab_kt_Jun112027Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Aug122027Member" xlink:label="loc_kt_Aug122027Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Aug122027Member" xml:lang="en-US">Aug. 12, 2027 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Aug122027Member" xlink:to="lab_kt_Aug122027Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Mar62026Member" xlink:label="loc_kt_Mar62026Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Mar62026Member" xml:lang="en-US">Mar.6, 2026 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Mar62026Member" xlink:to="lab_kt_Mar62026Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Mar92026Member" xlink:label="loc_kt_Mar92026Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Mar92026Member" xml:lang="en-US">Mar. 9, 2026 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Mar92026Member" xlink:to="lab_kt_Mar92026Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Sep92026Member" xlink:label="loc_kt_Sep92026Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Sep92026Member" xml:lang="en-US">Sep. 9, 2026 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Sep92026Member" xlink:to="lab_kt_Sep92026Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Sep232027Member" xlink:label="loc_kt_Sep232027Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Sep232027Member" xml:lang="en-US">Sep. 23, 2027 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Sep232027Member" xlink:to="lab_kt_Sep232027Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Sep242027Member" xlink:label="loc_kt_Sep242027Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Sep242027Member" xml:lang="en-US">Sep. 24, 2027 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Sep242027Member" xlink:to="lab_kt_Sep242027Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Oct222027Member" xlink:label="loc_kt_Oct222027Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Oct222027Member" xml:lang="en-US">Oct.22, 2027 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Oct222027Member" xlink:to="lab_kt_Oct222027Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Nov102025Member" xlink:label="loc_kt_Nov102025Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Nov102025Member" xml:lang="en-US">Nov. 10, 2025 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Nov102025Member" xlink:to="lab_kt_Nov102025Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Dec102025Member" xlink:label="loc_kt_Dec102025Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Dec102025Member" xml:lang="en-US">Dec. 10, 2025 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Dec102025Member" xlink:to="lab_kt_Dec102025Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Dec102027Member" xlink:label="loc_kt_Dec102027Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Dec102027Member" xml:lang="en-US">Dec. 10, 2027 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Dec102027Member" xlink:to="lab_kt_Dec102027Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Dec182026Member" xlink:label="loc_kt_Dec182026Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Dec182026Member" xml:lang="en-US">Dec. 18. 2026 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Dec182026Member" xlink:to="lab_kt_Dec182026Member" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BorrowingsInterestRateBasisSpreadOnCmsRate" xlink:label="loc_kt_BorrowingsInterestRateBasisSpreadOnCmsRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BorrowingsInterestRateBasisSpreadOnCmsRate" xml:lang="en-US">Borrowings Interest Rate Basis Spread On CMS Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_BorrowingsInterestRateBasisSpreadOnCmsRate" xml:lang="en-US">CMS rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BorrowingsInterestRateBasisSpreadOnCmsRate" xlink:to="lab_kt_BorrowingsInterestRateBasisSpreadOnCmsRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BorrowingsInterestRateBasisSpreadOnCmsRate" xml:lang="en-US">Borrowings Interest Rate Basis Spread On CMS Rate.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfInterestRatesAxis" xlink:label="loc_ifrs-full_TypesOfInterestRatesAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xml:lang="en-US">Types of interest rates [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TypesOfInterestRatesAxis" xml:lang="en-US">Types of interest rates [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInterestRatesAxis" xlink:to="lab_ifrs-full_TypesOfInterestRatesAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfInterestRatesDomain" xlink:label="loc_ifrs-full_TypesOfInterestRatesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TypesOfInterestRatesDomain" xml:lang="en-US">Types of interest rates [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TypesOfInterestRatesDomain" xml:lang="en-US">Interest rate types [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfInterestRatesDomain" xlink:to="lab_ifrs-full_TypesOfInterestRatesDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1561stWonDenominatedUnsecuredBondMarchTwentyFiveTwentyTwentyFiveMember" xlink:label="loc_kt_The1561stWonDenominatedUnsecuredBondMarchTwentyFiveTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1561stWonDenominatedUnsecuredBondMarchTwentyFiveTwentyTwentyFiveMember" xml:lang="en-US">The 1561st Won Denominated Unsecured Bond March Twenty Five Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1561stWonDenominatedUnsecuredBondMarchTwentyFiveTwentyTwentyFiveMember" xml:lang="en-US">The 1561st Won Denominated Unsecured Bond March Twenty Five Twenty Twenty Five [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1561stWonDenominatedUnsecuredBondMarchTwentyFiveTwentyTwentyFiveMember" xlink:to="lab_kt_The1561stWonDenominatedUnsecuredBondMarchTwentyFiveTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1561stWonDenominatedUnsecuredBondMarchTwentyFiveTwentyTwentyFiveMember" xml:lang="en-US">The 1561st Won Denominated Unsecured Bond March Twenty Five Twenty Twenty Five Member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_The1562ndWonDenominatedUnsecuredBondMarchTwentyFiveTwentyThirtyTwoMember" xlink:label="loc_kt_The1562ndWonDenominatedUnsecuredBondMarchTwentyFiveTwentyThirtyTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_The1562ndWonDenominatedUnsecuredBondMarchTwentyFiveTwentyThirtyTwoMember" xml:lang="en-US">The 1562nd Won Denominated Unsecured Bond March Twenty Five Twenty Thirty Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_The1562ndWonDenominatedUnsecuredBondMarchTwentyFiveTwentyThirtyTwoMember" xml:lang="en-US">The 1562nd Won Denominated Unsecured Bond March Twenty Five Twenty Thirty Two [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_The1562ndWonDenominatedUnsecuredBondMarchTwentyFiveTwentyThirtyTwoMember" xlink:to="lab_kt_The1562ndWonDenominatedUnsecuredBondMarchTwentyFiveTwentyThirtyTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_The1562ndWonDenominatedUnsecuredBondMarchTwentyFiveTwentyThirtyTwoMember" xml:lang="en-US">The 1562nd Won Denominated Unsecured Bond March Twenty Five Twenty Thirty Two Member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BorrowingsRedemptionPremium" xlink:label="loc_kt_BorrowingsRedemptionPremium" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BorrowingsRedemptionPremium" xml:lang="en-US">Borrowings Redemption Premium</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_BorrowingsRedemptionPremium" xml:lang="en-US">Redemption premium</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BorrowingsRedemptionPremium" xlink:to="lab_kt_BorrowingsRedemptionPremium" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BorrowingsRedemptionPremium" xml:lang="en-US">Borrowings redemption premium.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CurrentBorrowingAndCurrentPortionOfNoncurrentBorrowing" xlink:label="loc_kt_CurrentBorrowingAndCurrentPortionOfNoncurrentBorrowing" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CurrentBorrowingAndCurrentPortionOfNoncurrentBorrowing" xml:lang="en-US">Current borrowing and current portion of noncurrent borrowing</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_kt_CurrentBorrowingAndCurrentPortionOfNoncurrentBorrowing" xml:lang="en-US">Current portion</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CurrentBorrowingAndCurrentPortionOfNoncurrentBorrowing" xlink:to="lab_kt_CurrentBorrowingAndCurrentPortionOfNoncurrentBorrowing" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CurrentBorrowingAndCurrentPortionOfNoncurrentBorrowing" xml:lang="en-US">Current borrowing and current portion of noncurrent borrowing.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ConversionRightsAdjustment" xlink:label="loc_kt_ConversionRightsAdjustment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ConversionRightsAdjustment" xml:lang="en-US">Conversion Rights Adjustment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ConversionRightsAdjustment" xlink:to="lab_kt_ConversionRightsAdjustment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ConversionRightsAdjustment" xml:lang="en-US">Conversion rights adjustment</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TheFirstCbPrivateJuneFiveTwentyTwentyFiveMember" xlink:label="loc_kt_TheFirstCbPrivateJuneFiveTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TheFirstCbPrivateJuneFiveTwentyTwentyFiveMember" xml:lang="en-US">The First CB Private June Five Twenty Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TheFirstCbPrivateJuneFiveTwentyTwentyFiveMember" xml:lang="en-US">The 1st CB(Private) Jun. 5, 2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TheFirstCbPrivateJuneFiveTwentyTwentyFiveMember" xlink:to="lab_kt_TheFirstCbPrivateJuneFiveTwentyTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TheFirstCbPrivateJuneFiveTwentyTwentyFiveMember" xml:lang="en-US">The first cb private june five twenty twenty five member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BorrowingsIssuanceDateAxis" xlink:label="loc_kt_BorrowingsIssuanceDateAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BorrowingsIssuanceDateAxis" xml:lang="en-US">Borrowings Issuance Date [Axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_BorrowingsIssuanceDateAxis" xml:lang="en-US">Borrowings issuance date [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BorrowingsIssuanceDateAxis" xlink:to="lab_kt_BorrowingsIssuanceDateAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BorrowingsIssuanceDateAxis" xml:lang="en-US">Borrowings issuance date axis.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BorrowingsIssuanceDateDomain" xlink:label="loc_kt_BorrowingsIssuanceDateDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BorrowingsIssuanceDateDomain" xml:lang="en-US">Borrowings Issuance Date [Domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_BorrowingsIssuanceDateDomain" xml:lang="en-US">Borrowings issuance date [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BorrowingsIssuanceDateDomain" xlink:to="lab_kt_BorrowingsIssuanceDateDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BorrowingsIssuanceDateDomain" xml:lang="en-US">Borrowings issuance date domain.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TheFirstCbPrivateJuneFiveTwentyTwentyMember" xlink:label="loc_kt_TheFirstCbPrivateJuneFiveTwentyTwentyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TheFirstCbPrivateJuneFiveTwentyTwentyMember" xml:lang="en-US">The First CB Private June Five Twenty Twenty [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TheFirstCbPrivateJuneFiveTwentyTwentyMember" xml:lang="en-US">The 1st CB(Private) Jun. 5, 2020 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TheFirstCbPrivateJuneFiveTwentyTwentyMember" xlink:to="lab_kt_TheFirstCbPrivateJuneFiveTwentyTwentyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TheFirstCbPrivateJuneFiveTwentyTwentyMember" xml:lang="en-US">The first cb private june five twenty twenty member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TheFirstCbPrivateJuneFiveTwentyTwentyAndTheFirstUnsecuredCbJulyTwentyFiveTwentyTwentyTwoMember" xlink:label="loc_kt_TheFirstCbPrivateJuneFiveTwentyTwentyAndTheFirstUnsecuredCbJulyTwentyFiveTwentyTwentyTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TheFirstCbPrivateJuneFiveTwentyTwentyAndTheFirstUnsecuredCbJulyTwentyFiveTwentyTwentyTwoMember" xml:lang="en-US">The First CB Private June Five Twenty Twenty and The First Unsecured Cb July Twenty Five Twenty Twenty Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TheFirstCbPrivateJuneFiveTwentyTwentyAndTheFirstUnsecuredCbJulyTwentyFiveTwentyTwentyTwoMember" xml:lang="en-US">The 1st CB(Private) Jun. 5, 2020 and The First Unsecured Cb Jul.25.2022 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TheFirstCbPrivateJuneFiveTwentyTwentyAndTheFirstUnsecuredCbJulyTwentyFiveTwentyTwentyTwoMember" xlink:to="lab_kt_TheFirstCbPrivateJuneFiveTwentyTwentyAndTheFirstUnsecuredCbJulyTwentyFiveTwentyTwentyTwoMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AppraisalPeriodOfCommonStockConversionToDebt" xlink:label="loc_kt_AppraisalPeriodOfCommonStockConversionToDebt" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AppraisalPeriodOfCommonStockConversionToDebt" xml:lang="en-US">Appraisal Period Of Common Stock Conversion To Debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AppraisalPeriodOfCommonStockConversionToDebt" xml:lang="en-US">Appraisal period of common stock conversion to debt</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AppraisalPeriodOfCommonStockConversionToDebt" xlink:to="lab_kt_AppraisalPeriodOfCommonStockConversionToDebt" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AppraisalPeriodOfCommonStockConversionToDebt" xml:lang="en-US">Appraisal period of common stock conversion to debt.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BorrowingsMaturityYield" xlink:label="loc_kt_BorrowingsMaturityYield" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BorrowingsMaturityYield" xml:lang="en-US">Borrowings Maturity Yield</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_BorrowingsMaturityYield" xml:lang="en-US">Maturity yield</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BorrowingsMaturityYield" xlink:to="lab_kt_BorrowingsMaturityYield" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BorrowingsMaturityYield" xml:lang="en-US">Borrowings maturity yield.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CounterpartiesAxis" xlink:label="loc_ifrs-full_CounterpartiesAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CounterpartiesAxis" xml:lang="en-US">Counterparties [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CounterpartiesAxis" xml:lang="en-US">Counterparties [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CounterpartiesAxis" xlink:to="lab_ifrs-full_CounterpartiesAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CounterpartiesDomain" xlink:label="loc_ifrs-full_CounterpartiesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CounterpartiesDomain" xml:lang="en-US">Counterparties [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CounterpartiesDomain" xml:lang="en-US">Counterparties [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CounterpartiesDomain" xlink:to="lab_ifrs-full_CounterpartiesDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShorttermBorrowingsMember" xlink:label="loc_ifrs-full_ShorttermBorrowingsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ShorttermBorrowingsMember" xml:lang="en-US">Short-term borrowings [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ShorttermBorrowingsMember" xml:lang="en-US">Short-term borrowings [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShorttermBorrowingsMember" xlink:to="lab_ifrs-full_ShorttermBorrowingsMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ShinhanBankMember" xlink:label="loc_kt_ShinhanBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ShinhanBankMember" xml:lang="en-US">Shinhan Bank [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ShinhanBankMember" xml:lang="en-US">Shinhan Bank [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ShinhanBankMember" xlink:to="lab_kt_ShinhanBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ShinhanBankMember" xml:lang="en-US">Shinhan Bank.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KoreaDevelopmentBankMember" xlink:label="loc_kt_KoreaDevelopmentBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KoreaDevelopmentBankMember" xml:lang="en-US">Korea Development Bank [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KoreaDevelopmentBankMember" xml:lang="en-US">Korea Development Bank [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KoreaDevelopmentBankMember" xlink:to="lab_kt_KoreaDevelopmentBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KoreaDevelopmentBankMember" xml:lang="en-US">Korea Development Bank.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_WooriBankMember" xlink:label="loc_kt_WooriBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_WooriBankMember" xml:lang="en-US">Woori Bank [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_WooriBankMember" xml:lang="en-US">Woori Bank [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_WooriBankMember" xlink:to="lab_kt_WooriBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_WooriBankMember" xml:lang="en-US">Woori Bank .</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IndustrialBankOfKoreaMember" xlink:label="loc_kt_IndustrialBankOfKoreaMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IndustrialBankOfKoreaMember" xml:lang="en-US">Industrial Bank Of Korea [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_IndustrialBankOfKoreaMember" xml:lang="en-US">Industrial Bank of Korea [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IndustrialBankOfKoreaMember" xlink:to="lab_kt_IndustrialBankOfKoreaMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IndustrialBankOfKoreaMember" xml:lang="en-US">Industrial bank of korea.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_HanaBankMember" xlink:label="loc_kt_HanaBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_HanaBankMember" xml:lang="en-US">Hana Bank [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_HanaBankMember" xlink:to="lab_kt_HanaBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_HanaBankMember" xml:lang="en-US">Hana Bank .</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KbSecuritiesMember" xlink:label="loc_kt_KbSecuritiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KbSecuritiesMember" xml:lang="en-US">KB SECURITIES [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KbSecuritiesMember" xml:lang="en-US">KB SECURITIES [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KbSecuritiesMember" xlink:to="lab_kt_KbSecuritiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KbSecuritiesMember" xml:lang="en-US">KB SECURITIES.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_HSBCMember" xlink:label="loc_kt_HSBCMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_HSBCMember" xml:lang="en-US">H S B C [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_HSBCMember" xml:lang="en-US">HSBC [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_HSBCMember" xlink:to="lab_kt_HSBCMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_HSBCMember" xml:lang="en-US">HSBC.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ShinhanBankOneMember" xlink:label="loc_kt_ShinhanBankOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ShinhanBankOneMember" xml:lang="en-US">Shinhan Bank One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ShinhanBankOneMember" xml:lang="en-US">Shinhan Bank 1 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ShinhanBankOneMember" xlink:to="lab_kt_ShinhanBankOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ShinhanBankOneMember" xml:lang="en-US">Shinhan bank one.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_WooriBankOneMember" xlink:label="loc_kt_WooriBankOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_WooriBankOneMember" xml:lang="en-US">Woori Bank One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_WooriBankOneMember" xml:lang="en-US">Woori Bank 1 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_WooriBankOneMember" xlink:to="lab_kt_WooriBankOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_WooriBankOneMember" xml:lang="en-US">Woori bank one member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_NonghyupBankMember" xlink:label="loc_kt_NonghyupBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_NonghyupBankMember" xml:lang="en-US">NongHyup Bank [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_NonghyupBankMember" xlink:to="lab_kt_NonghyupBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_NonghyupBankMember" xml:lang="en-US">NongHyup&#160;bank [Member].</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KoreaInvestmentMember" xlink:label="loc_kt_KoreaInvestmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KoreaInvestmentMember" xml:lang="en-US">Korea Investment [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KoreaInvestmentMember" xml:lang="en-US">Korea Investment [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KoreaInvestmentMember" xlink:to="lab_kt_KoreaInvestmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KoreaInvestmentMember" xml:lang="en-US">Korea investment.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_StandardCharteredBankMember" xlink:label="loc_kt_StandardCharteredBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_StandardCharteredBankMember" xml:lang="en-US">Standard Chartered Bank [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_StandardCharteredBankMember" xlink:to="lab_kt_StandardCharteredBankMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ShinhanBankTwoMember" xlink:label="loc_kt_ShinhanBankTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ShinhanBankTwoMember" xml:lang="en-US">Shinhan Bank Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_ShinhanBankTwoMember" xml:lang="en-US">Shinhan Bank 2 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ShinhanBankTwoMember" xlink:to="lab_kt_ShinhanBankTwoMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ShinhanBankThreeMember" xlink:label="loc_kt_ShinhanBankThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ShinhanBankThreeMember" xml:lang="en-US">Shinhan Bank Three [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_ShinhanBankThreeMember" xml:lang="en-US">Shinhan Bank 3 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ShinhanBankThreeMember" xlink:to="lab_kt_ShinhanBankThreeMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShorttermBorrowings" xlink:label="loc_ifrs-full_ShorttermBorrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ShorttermBorrowings" xml:lang="en-US">Current borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ShorttermBorrowings" xml:lang="en-US">Short-term borrowings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShorttermBorrowings" xlink:to="lab_ifrs-full_ShorttermBorrowings" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LongtermBorrowingsMember" xlink:label="loc_ifrs-full_LongtermBorrowingsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LongtermBorrowingsMember" xml:lang="en-US">Long-term borrowings [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LongtermBorrowingsMember" xml:lang="en-US">Long-term borrowings [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LongtermBorrowingsMember" xlink:to="lab_ifrs-full_LongtermBorrowingsMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InterKoreanCooperationFundMember" xlink:label="loc_kt_InterKoreanCooperationFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InterKoreanCooperationFundMember" xml:lang="en-US">Inter Korean Cooperation Fund [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_InterKoreanCooperationFundMember" xml:lang="en-US">Inter-Korean Cooperation Fund [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InterKoreanCooperationFundMember" xlink:to="lab_kt_InterKoreanCooperationFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InterKoreanCooperationFundMember" xml:lang="en-US">Inter korean Cooperation Fund.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GeneralLoansMember" xlink:label="loc_kt_GeneralLoansMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GeneralLoansMember" xml:lang="en-US">General Loans [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GeneralLoansMember" xml:lang="en-US">General loans [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GeneralLoansMember" xlink:to="lab_kt_GeneralLoansMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GeneralLoansMember" xml:lang="en-US">General loans.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GeneralLoansOneMember" xlink:label="loc_kt_GeneralLoansOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GeneralLoansOneMember" xml:lang="en-US">General Loans One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GeneralLoansOneMember" xml:lang="en-US">General Loans 1 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GeneralLoansOneMember" xlink:to="lab_kt_GeneralLoansOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GeneralLoansOneMember" xml:lang="en-US">General loans one.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GeneralLoansTwoMember" xlink:label="loc_kt_GeneralLoansTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GeneralLoansTwoMember" xml:lang="en-US">General Loans Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GeneralLoansTwoMember" xml:lang="en-US">General Loans 2 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GeneralLoansTwoMember" xlink:to="lab_kt_GeneralLoansTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GeneralLoansTwoMember" xml:lang="en-US">General loans two.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GeneralLoansThreeMember" xlink:label="loc_kt_GeneralLoansThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GeneralLoansThreeMember" xml:lang="en-US">General Loans Three [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GeneralLoansThreeMember" xml:lang="en-US">General Loans 3 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GeneralLoansThreeMember" xlink:to="lab_kt_GeneralLoansThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GeneralLoansThreeMember" xml:lang="en-US">General loans two.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GeneralLoansFourMember" xlink:label="loc_kt_GeneralLoansFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GeneralLoansFourMember" xml:lang="en-US">General Loans Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GeneralLoansFourMember" xml:lang="en-US">General Loans 4 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GeneralLoansFourMember" xlink:to="lab_kt_GeneralLoansFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GeneralLoansFourMember" xml:lang="en-US">General loans four.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PfLoansMember" xlink:label="loc_kt_PfLoansMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PfLoansMember" xml:lang="en-US">PF Loans [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PfLoansMember" xml:lang="en-US">PF Loans [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PfLoansMember" xlink:to="lab_kt_PfLoansMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PfLoansMember" xml:lang="en-US">PF loans.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CPMember" xlink:label="loc_kt_CPMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CPMember" xml:lang="en-US">C P [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_CPMember" xml:lang="en-US">CP [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CPMember" xlink:to="lab_kt_CPMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CPMember" xml:lang="en-US">CP</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GeneralLoansFiveMember" xlink:label="loc_kt_GeneralLoansFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GeneralLoansFiveMember" xml:lang="en-US">General Loans Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GeneralLoansFiveMember" xml:lang="en-US">General Loans 5 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GeneralLoansFiveMember" xlink:to="lab_kt_GeneralLoansFiveMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GeneralLoansSixMember" xlink:label="loc_kt_GeneralLoansSixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GeneralLoansSixMember" xml:lang="en-US">General Loans Six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GeneralLoansSixMember" xml:lang="en-US">General Loans 6 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GeneralLoansSixMember" xlink:to="lab_kt_GeneralLoansSixMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LoanMember" xlink:label="loc_kt_LoanMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LoanMember" xml:lang="en-US">Loan [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LoanMember" xml:lang="en-US">Loans [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LoanMember" xlink:to="lab_kt_LoanMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LoanOneMember" xlink:label="loc_kt_LoanOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LoanOneMember" xml:lang="en-US">Loan one [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LoanOneMember" xml:lang="en-US">Loans 1 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LoanOneMember" xlink:to="lab_kt_LoanOneMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ExportImportBankOfKoreaMember" xlink:label="loc_kt_ExportImportBankOfKoreaMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ExportImportBankOfKoreaMember" xml:lang="en-US">Export-Import Bank of Korea [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ExportImportBankOfKoreaMember" xml:lang="en-US">Export-Import Bank of Korea [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ExportImportBankOfKoreaMember" xlink:to="lab_kt_ExportImportBankOfKoreaMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ExportImportBankOfKoreaMember" xml:lang="en-US">Export-Import Bank of Korea.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KookminBankMember" xlink:label="loc_kt_KookminBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KookminBankMember" xml:lang="en-US">Kookmin Bank [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KookminBankMember" xml:lang="en-US">Kookmin Bank [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KookminBankMember" xlink:to="lab_kt_KookminBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KookminBankMember" xml:lang="en-US">Kookmin Bank [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CaCibMember" xlink:label="loc_kt_CaCibMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CaCibMember" xml:lang="en-US">CA CIB [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_CaCibMember" xml:lang="en-US">CA-CIB [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CaCibMember" xlink:to="lab_kt_CaCibMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CaCibMember" xml:lang="en-US">CA-CIB member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KyoboLifeInsuranceMember" xlink:label="loc_kt_KyoboLifeInsuranceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KyoboLifeInsuranceMember" xml:lang="en-US">Kyobo Life Insurance [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KyoboLifeInsuranceMember" xml:lang="en-US">Kyobo Life Insurance [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KyoboLifeInsuranceMember" xlink:to="lab_kt_KyoboLifeInsuranceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KyoboLifeInsuranceMember" xml:lang="en-US">Kyobo life insurance [Member].</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SamsungLifeInsuranceMember" xlink:label="loc_kt_SamsungLifeInsuranceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SamsungLifeInsuranceMember" xml:lang="en-US">Samsung Life Insurance [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_SamsungLifeInsuranceMember" xml:lang="en-US">Samsung Life Insurance [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SamsungLifeInsuranceMember" xlink:to="lab_kt_SamsungLifeInsuranceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SamsungLifeInsuranceMember" xml:lang="en-US">Samsung&#160;life&#160;insurance [Member].</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_JPMMember" xlink:label="loc_kt_JPMMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_JPMMember" xml:lang="en-US">JPM [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_JPMMember" xlink:to="lab_kt_JPMMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_JPMMember" xml:lang="en-US">JPM member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DBSMember" xlink:label="loc_kt_DBSMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DBSMember" xml:lang="en-US">DBS [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DBSMember" xlink:to="lab_kt_DBSMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DBSMember" xml:lang="en-US">DBS member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_HiInvestmentSecuritiesMember" xlink:label="loc_kt_HiInvestmentSecuritiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_HiInvestmentSecuritiesMember" xml:lang="en-US">Hi Investment Securities [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_HiInvestmentSecuritiesMember" xlink:to="lab_kt_HiInvestmentSecuritiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_HiInvestmentSecuritiesMember" xml:lang="en-US">Hi investment &amp; securities and others.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_NhJayangMember" xlink:label="loc_kt_NhJayangMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_NhJayangMember" xml:lang="en-US">NH Jayang [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_NhJayangMember" xlink:to="lab_kt_NhJayangMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_NhJayangMember" xml:lang="en-US">NH Jayang Member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_StandardCharteredBankKoreaMember" xlink:label="loc_kt_StandardCharteredBankKoreaMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_StandardCharteredBankKoreaMember" xml:lang="en-US">Standard Chartered Bank Korea [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_StandardCharteredBankKoreaMember" xlink:to="lab_kt_StandardCharteredBankKoreaMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_StandardCharteredBankKoreaMember" xml:lang="en-US">Standard chartered bank korea member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BookookInvestmentMember" xlink:label="loc_kt_BookookInvestmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BookookInvestmentMember" xml:lang="en-US">Bookook Investment [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_BookookInvestmentMember" xml:lang="en-US">Bookook investment [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BookookInvestmentMember" xlink:to="lab_kt_BookookInvestmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BookookInvestmentMember" xml:lang="en-US">Bookook investment.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KdbBankUzbekistanMember" xlink:label="loc_kt_KdbBankUzbekistanMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KdbBankUzbekistanMember" xml:lang="en-US">KDB Bank Uzbekistan [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KdbBankUzbekistanMember" xlink:to="lab_kt_KdbBankUzbekistanMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentPortionOfLongtermBorrowings" xlink:label="loc_ifrs-full_CurrentPortionOfLongtermBorrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentPortionOfLongtermBorrowings" xml:lang="en-US">Current portion of non-current borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_CurrentPortionOfLongtermBorrowings" xml:lang="en-US">Less: Current portion</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentPortionOfLongtermBorrowings" xlink:to="lab_ifrs-full_CurrentPortionOfLongtermBorrowings" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_VesselFacilityLoansMember" xlink:label="loc_kt_VesselFacilityLoansMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_VesselFacilityLoansMember" xml:lang="en-US">Vessel Facility Loans [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_VesselFacilityLoansMember" xml:lang="en-US">Vessel facility loans [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_VesselFacilityLoansMember" xlink:to="lab_kt_VesselFacilityLoansMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_VesselFacilityLoansMember" xml:lang="en-US">Vessel facility loans.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LongTermDebtRepaymentDescription" xlink:label="loc_kt_LongTermDebtRepaymentDescription" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LongTermDebtRepaymentDescription" xml:lang="en-US">Long term debt repayment description</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LongTermDebtRepaymentDescription" xml:lang="en-US">Long term debt repayment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LongTermDebtRepaymentDescription" xlink:to="lab_kt_LongTermDebtRepaymentDescription" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LongTermDebtRepaymentDescription" xml:lang="en-US">Long term debt repayment description.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BondMember" xlink:label="loc_kt_BondMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BondMember" xml:lang="en-US">Bond [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_BondMember" xml:lang="en-US">Bonds [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BondMember" xlink:to="lab_kt_BondMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BondMember" xml:lang="en-US">Bonds.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LocalCurrenyMember" xlink:label="loc_kt_LocalCurrenyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LocalCurrenyMember" xml:lang="en-US">Local Curreny [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LocalCurrenyMember" xml:lang="en-US">In local currency [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LocalCurrenyMember" xlink:to="lab_kt_LocalCurrenyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LocalCurrenyMember" xml:lang="en-US">Local Curreny [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ForeignCurrencyMember" xlink:label="loc_kt_ForeignCurrencyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ForeignCurrencyMember" xml:lang="en-US">Foreign Currency [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ForeignCurrencyMember" xml:lang="en-US">In foreign currency [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ForeignCurrencyMember" xlink:to="lab_kt_ForeignCurrencyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ForeignCurrencyMember" xml:lang="en-US">Foreign Currency [member]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanOneYearMember" xlink:label="loc_ifrs-full_LaterThanOneYearMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LaterThanOneYearMember" xml:lang="en-US">Later than one year [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_LaterThanOneYearMember" xml:lang="en-US">Jan.1, 2025 ~ Dec.31 2025 [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LaterThanOneYearMember" xml:lang="en-US">Over 12 months [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearMember" xlink:to="lab_ifrs-full_LaterThanOneYearMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:label="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xml:lang="en-US">Later than one year and not later than two years [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xml:lang="en-US">Jan.1, 2026 ~ Dec.31 2026 [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xml:lang="en-US">Between 1-2 years [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:to="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:label="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xml:lang="en-US">Later than two years and not later than three years [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xml:lang="en-US">Jan.1, 2027 ~ Dec.31 2027 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:to="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:label="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xml:lang="en-US">Later than three years and not later than four years [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xml:lang="en-US">Jan.1, 2028 ~ Dec.31 2028 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:to="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsAbstract" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsAbstract" xml:lang="en-US">Disclosure of other provisions [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsAbstract" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsTable" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xml:lang="en-US">Disclosure of other provisions [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xml:lang="en-US">Disclosure of other provisions [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfProvisionsAxis" xlink:label="loc_ifrs-full_ClassesOfProvisionsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xml:lang="en-US">Classes of other provisions [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xml:lang="en-US">Classes of other provisions [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:to="lab_ifrs-full_ClassesOfProvisionsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfOtherProvisionsDomain" xlink:label="loc_ifrs-full_ClassesOfOtherProvisionsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xml:lang="en-US">Classes of other provisions [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xml:lang="en-US">Other provisions [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:to="lab_ifrs-full_ClassesOfOtherProvisionsDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LegalProceedingsProvisionMember" xlink:label="loc_ifrs-full_LegalProceedingsProvisionMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LegalProceedingsProvisionMember" xml:lang="en-US">Legal proceedings provision [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LegalProceedingsProvisionMember" xml:lang="en-US">Litigation [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LegalProceedingsProvisionMember" xlink:to="lab_ifrs-full_LegalProceedingsProvisionMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:label="loc_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xml:lang="en-US">Provision for decommissioning, restoration and rehabilitation costs [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xml:lang="en-US">Restoration cost [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" xlink:to="lab_ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MiscellaneousOtherProvisionsMember" xlink:label="loc_ifrs-full_MiscellaneousOtherProvisionsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MiscellaneousOtherProvisionsMember" xml:lang="en-US">Miscellaneous other provisions [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MiscellaneousOtherProvisionsMember" xml:lang="en-US">Others [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:to="lab_ifrs-full_MiscellaneousOtherProvisionsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xml:lang="en-US">Disclosure of other provisions [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xml:lang="en-US">Disclosure of other provisions [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherProvisions" xlink:label="loc_ifrs-full_OtherProvisions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherProvisions" xml:lang="en-US">Other provisions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_OtherProvisions" xml:lang="en-US">Beginning balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_OtherProvisions" xml:lang="en-US">Ending balance</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherProvisions" xlink:to="lab_ifrs-full_OtherProvisions" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions" xml:lang="en-US">Increase (decrease) through transfers and other changes, other provisions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions" xml:lang="en-US">Increase (Transfer)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProvisionUsedOtherProvisions" xlink:label="loc_ifrs-full_ProvisionUsedOtherProvisions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProvisionUsedOtherProvisions" xml:lang="en-US">Provision used, other provisions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_ProvisionUsedOtherProvisions" xml:lang="en-US">Usage</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionUsedOtherProvisions" xlink:to="lab_ifrs-full_ProvisionUsedOtherProvisions" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:label="loc_ifrs-full_UnusedProvisionReversedOtherProvisions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_UnusedProvisionReversedOtherProvisions" xml:lang="en-US">Unused provision reversed, other provisions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_UnusedProvisionReversedOtherProvisions" xml:lang="en-US">Reversal</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:to="lab_ifrs-full_UnusedProvisionReversedOtherProvisions" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryOtherProvisions" xlink:label="loc_ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryOtherProvisions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryOtherProvisions" xml:lang="en-US">Decrease through loss of control of subsidiary, other provisions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryOtherProvisions" xml:lang="en-US">Changes in consolidation scope</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryOtherProvisions" xlink:to="lab_ifrs-full_DecreaseThroughLossOfControlOfSubsidiaryOtherProvisions" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Others" xlink:label="loc_kt_Others" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Others" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Others" xlink:to="lab_kt_Others" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_Others" xml:lang="en-US">Others.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetAbstract" xlink:label="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetAbstract" xml:lang="en-US">Disclosure of net defined benefit liability (asset) [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetAbstract" xlink:to="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DefinedBenefitObligationAtPresentValue" xlink:label="loc_ifrs-full_DefinedBenefitObligationAtPresentValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DefinedBenefitObligationAtPresentValue" xml:lang="en-US">Defined benefit obligation, at present value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DefinedBenefitObligationAtPresentValue" xml:lang="en-US">Present value of defined benefit obligations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DefinedBenefitObligationAtPresentValue" xlink:to="lab_ifrs-full_DefinedBenefitObligationAtPresentValue" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PlanAssetsAtFairValue" xlink:label="loc_ifrs-full_PlanAssetsAtFairValue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PlanAssetsAtFairValue" xml:lang="en-US">Plan assets, at fair value</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_PlanAssetsAtFairValue" xml:lang="en-US">Fair value of plan assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PlanAssetsAtFairValue" xlink:to="lab_ifrs-full_PlanAssetsAtFairValue" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SurplusDeficitInPlan" xlink:label="loc_ifrs-full_SurplusDeficitInPlan" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SurplusDeficitInPlan" xml:lang="en-US">Surplus (deficit) in plan</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_SurplusDeficitInPlan" xml:lang="en-US">Assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SurplusDeficitInPlan" xlink:to="lab_ifrs-full_SurplusDeficitInPlan" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ChangesInNetDefinedBenefitLiabilityAssetAbstract" xlink:label="loc_ifrs-full_ChangesInNetDefinedBenefitLiabilityAssetAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ChangesInNetDefinedBenefitLiabilityAssetAbstract" xml:lang="en-US">Changes in net defined benefit liability (asset) [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInNetDefinedBenefitLiabilityAssetAbstract" xlink:to="lab_ifrs-full_ChangesInNetDefinedBenefitLiabilityAssetAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" xlink:label="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" xml:lang="en-US">Disclosure of net defined benefit liability (asset) [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" xml:lang="en-US">Disclosure of net defined benefit liability (asset) [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" xlink:to="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" xlink:label="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" xml:lang="en-US">Disclosure of net defined benefit liability (asset) [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" xml:lang="en-US">Disclosure of net defined benefit liability (asset) [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" xlink:to="lab_ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract" xlink:label="loc_ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract" xml:lang="en-US">Gain (loss) on remeasurement, net defined benefit liability (asset) [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract" xml:lang="en-US">Remeasurements:</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract" xlink:to="lab_ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset" xlink:label="loc_ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Actuarial gains (losses) arising from changes in demographic assumptions, net defined benefit liability (asset)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Actuarial gains (losses) arising from changes in demographic assumptions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xlink:label="loc_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Actuarial gains (losses) arising from changes in financial assumptions, net defined benefit liability (asset)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Actuarial gains (losses) arising from changes in financial assumptions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset" xlink:label="loc_ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Actuarial gains (losses) arising from experience adjustments, net defined benefit liability (asset)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Actuarial gains arising from experience adjustments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:label="loc_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xml:lang="en-US">Net defined benefit liability (asset)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xml:lang="en-US">Beginning balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xml:lang="en-US">Ending balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xml:lang="en-US">Beginning</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xml:lang="en-US">Ending</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:to="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xlink:label="loc_ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Current service cost, net defined benefit liability (asset)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Current service cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Current service cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:label="loc_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Interest expense (income), net defined benefit liability (asset)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Interest expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Interest income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Net Interest cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:label="loc_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Payments from plan, net defined benefit liability (asset)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Benefit paid</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Benefits paid</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PaymentInRespectOfSettlementAndPastServiceCostNetDefinedBenefitLiabilityAsset" xlink:label="loc_kt_PaymentInRespectOfSettlementAndPastServiceCostNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PaymentInRespectOfSettlementAndPastServiceCostNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Payment In Respect Of Settlement And Past Service Cost Net Defined Benefit Liability Asset</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_PaymentInRespectOfSettlementAndPastServiceCostNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Changes due to settlements of plan &amp; Past Service Cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PaymentInRespectOfSettlementAndPastServiceCostNetDefinedBenefitLiabilityAsset" xlink:to="lab_kt_PaymentInRespectOfSettlementAndPastServiceCostNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PaymentInRespectOfSettlementAndPastServiceCostNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Payment in respect of settlement and past service cost net defined benefit liability asset.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PresentValueOfDefinedBenefitObligationMember" xlink:label="loc_ifrs-full_PresentValueOfDefinedBenefitObligationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PresentValueOfDefinedBenefitObligationMember" xml:lang="en-US">Present value of defined benefit obligation [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_PresentValueOfDefinedBenefitObligationMember" xml:lang="en-US">Present value of defined benefit obligation [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PresentValueOfDefinedBenefitObligationMember" xlink:to="lab_ifrs-full_PresentValueOfDefinedBenefitObligationMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset" xlink:label="loc_ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Return on plan assets excluding interest income or expense, net defined benefit liability (asset)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Return on plan assets (excluding amounts included in interest income)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:label="loc_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Contributions to plan by employer, net defined benefit liability (asset)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Employer contributions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Increase (decrease) through other changes, net defined benefit liability (asset)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Changes in scope of consolidation, etc.</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PlanAssetsMember" xlink:label="loc_ifrs-full_PlanAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PlanAssetsMember" xml:lang="en-US">Plan assets [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_PlanAssetsMember" xml:lang="en-US">Plan assets [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PlanAssetsMember" xlink:to="lab_ifrs-full_PlanAssetsMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TransferOutToNetDefinedBenefitLiabilityAsset" xlink:label="loc_kt_TransferOutToNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TransferOutToNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Transfer out to net defined benefit plan expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_TransferOutToNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Transfer in(out)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TransferOutToNetDefinedBenefitLiabilityAsset" xlink:to="lab_kt_TransferOutToNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TransferOutToNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Transfer out to net defined benefit plan expenses.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:label="loc_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xml:lang="en-US">Post-employment benefit expense, defined benefit plans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xml:lang="en-US">Total expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xml:lang="en-US">Post-employment benefits (Defined benefit plan)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" xlink:to="lab_ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:label="loc_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Increase (decrease) in net defined benefit liability (asset) resulting from past service cost and losses (gains) arising from settlements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xml:lang="en-US">Changes due to settlements of plan &amp; Past Service Cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" xlink:label="loc_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" xml:lang="en-US">Disclosure of defined benefit plans [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" xlink:to="lab_ifrs-full_DisclosureOfDefinedBenefitPlansAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:label="loc_ifrs-full_DisclosureOfDefinedBenefitPlansTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansTable" xml:lang="en-US">Disclosure of defined benefit plans [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:to="lab_ifrs-full_DisclosureOfDefinedBenefitPlansTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:label="loc_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xml:lang="en-US">Disclosure of defined benefit plans [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" xlink:to="lab_ifrs-full_DisclosureOfDefinedBenefitPlansLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:label="loc_ifrs-full_ActuarialAssumptionOfDiscountRates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ActuarialAssumptionOfDiscountRates" xml:lang="en-US">Actuarial assumption of discount rates</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ActuarialAssumptionOfDiscountRates" xml:lang="en-US">Discount rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:to="lab_ifrs-full_ActuarialAssumptionOfDiscountRates" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" xlink:label="loc_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" xml:lang="en-US">Actuarial assumption of expected rates of salary increases</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" xml:lang="en-US">Salary growth rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" xlink:to="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsAbstract" xlink:label="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsAbstract" xml:lang="en-US">Disclosure of sensitivity analysis for actuarial assumptions [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsAbstract" xlink:to="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable" xlink:label="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable" xml:lang="en-US">Disclosure of sensitivity analysis for actuarial assumptions [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable" xml:lang="en-US">Disclosure of sensitivity analysis for actuarial assumptions [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable" xlink:to="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ActuarialAssumptionsAxis" xlink:label="loc_ifrs-full_ActuarialAssumptionsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ActuarialAssumptionsAxis" xml:lang="en-US">Actuarial assumptions [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ActuarialAssumptionsAxis" xml:lang="en-US">Actuarial assumptions [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionsAxis" xlink:to="lab_ifrs-full_ActuarialAssumptionsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ActuarialAssumptionsDomain" xlink:label="loc_ifrs-full_ActuarialAssumptionsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ActuarialAssumptionsDomain" xml:lang="en-US">Actuarial assumptions [domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionsDomain" xlink:to="lab_ifrs-full_ActuarialAssumptionsDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:label="loc_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xml:lang="en-US">Actuarial assumption of discount rates [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xml:lang="en-US">Discount rate [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" xlink:to="lab_ifrs-full_ActuarialAssumptionOfDiscountRatesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember" xlink:label="loc_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember" xml:lang="en-US">Actuarial assumption of expected rates of salary increases [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember" xml:lang="en-US">Salary growth rate [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember" xlink:to="lab_ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems" xlink:label="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems" xml:lang="en-US">Disclosure of sensitivity analysis for actuarial assumptions [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems" xml:lang="en-US">Disclosure of sensitivity analysis for actuarial assumptions [Line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems" xlink:to="lab_ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PercentageOfReasonablyPossibleIncreaseDecreaseInActuarialAssumption" xlink:label="loc_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInActuarialAssumption" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInActuarialAssumption" xml:lang="en-US">Percentage Of Reasonably Possible Increase Decrease In Actuarial Assumption</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInActuarialAssumption" xml:lang="en-US">Percentage changes in assumption</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInActuarialAssumption" xlink:to="lab_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInActuarialAssumption" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInActuarialAssumption" xml:lang="en-US">Percentage of reasonably possible increase decrease in actuarial assumption.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" xlink:label="loc_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" xml:lang="en-US">Increase (decrease) in defined benefit obligation due to reasonably possible increase in actuarial assumption</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" xml:lang="en-US">Effect on defined benefit obligation, increase in assumption</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" xlink:to="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" xlink:label="loc_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" xml:lang="en-US">Increase (decrease) in defined benefit obligation due to reasonably possible decrease in actuarial assumption</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" xml:lang="en-US">Effect on defined benefit obligation, decrease in assumption</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" xlink:to="lab_ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:label="loc_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xml:lang="en-US">Estimate of contributions expected to be paid to plan for next annual reporting period</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xml:lang="en-US">Expected contributions to post-employment benefit plans</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:to="lab_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" xlink:label="loc_ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" xml:lang="en-US">Weighted average duration of defined benefit obligation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" xml:lang="en-US">Weighted average duration of the defined benefit obligations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" xlink:to="lab_ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:label="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xml:lang="en-US">Non-adjusting events after reporting period [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xml:lang="en-US">Non-adjusting events after reporting period [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:to="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:label="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xml:lang="en-US">Non-adjusting events after reporting period [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xml:lang="en-US">Non-adjusting events after reporting period [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:to="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ActuarialPresentValueOfPromisedRetirementBenefits" xlink:label="loc_ifrs-full_ActuarialPresentValueOfPromisedRetirementBenefits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ActuarialPresentValueOfPromisedRetirementBenefits" xml:lang="en-US">Actuarial present value of promised retirement benefits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ActuarialPresentValueOfPromisedRetirementBenefits" xml:lang="en-US">Pension benefits</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialPresentValueOfPromisedRetirementBenefits" xlink:to="lab_ifrs-full_ActuarialPresentValueOfPromisedRetirementBenefits" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:label="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xml:lang="en-US">Later than two years and not later than five years [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xml:lang="en-US">Between 2-5 years [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanFiveYearsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:label="loc_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xml:lang="en-US">Classes of employee benefits expense [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" xlink:to="lab_ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:label="loc_ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xml:lang="en-US">Post-employment benefit expense, defined contribution plans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xml:lang="en-US">Defined Contribution plan recognized expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xml:lang="en-US">Post-employment benefits (Defined contribution plan)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" xlink:to="lab_ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CommitmentsAndContingenciesAbstract" xlink:label="loc_kt_CommitmentsAndContingenciesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CommitmentsAndContingenciesAbstract" xml:lang="en-US">Commitments and contingencies [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CommitmentsAndContingenciesAbstract" xlink:to="lab_kt_CommitmentsAndContingenciesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CommitmentsAndContingenciesAbstract" xml:lang="en-US">Commitments and contingencies [abstract]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BankOverdraftMember" xlink:label="loc_kt_BankOverdraftMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BankOverdraftMember" xml:lang="en-US">Bank Overdraft [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_BankOverdraftMember" xml:lang="en-US">Bank overdraft [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BankOverdraftMember" xlink:to="lab_kt_BankOverdraftMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BankOverdraftMember" xml:lang="en-US">Bank overdraft.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CollateralisedLoansOnElectronicReceivableTradeMember" xlink:label="loc_kt_CollateralisedLoansOnElectronicReceivableTradeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CollateralisedLoansOnElectronicReceivableTradeMember" xml:lang="en-US">Collateralised Loans On Electronic Receivable Trade [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_CollateralisedLoansOnElectronicReceivableTradeMember" xml:lang="en-US">Collateralised loans on electronic receivable-trade [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CollateralisedLoansOnElectronicReceivableTradeMember" xlink:to="lab_kt_CollateralisedLoansOnElectronicReceivableTradeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CollateralisedLoansOnElectronicReceivableTradeMember" xml:lang="en-US">Collateralised loans on electronic receivable trade.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PlusElectronicNotesPayableMember" xlink:label="loc_kt_PlusElectronicNotesPayableMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PlusElectronicNotesPayableMember" xml:lang="en-US">Plus Electronic Notes Payable [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PlusElectronicNotesPayableMember" xml:lang="en-US">Plus electronic notes payable [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PlusElectronicNotesPayableMember" xlink:to="lab_kt_PlusElectronicNotesPayableMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PlusElectronicNotesPayableMember" xml:lang="en-US">Plus electronic notes payable.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LoansForWorkingCapitalMember" xlink:label="loc_kt_LoansForWorkingCapitalMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LoansForWorkingCapitalMember" xml:lang="en-US">Loans For Working Capital [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_LoansForWorkingCapitalMember" xml:lang="en-US">Working capital loan [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LoansForWorkingCapitalMember" xlink:to="lab_kt_LoansForWorkingCapitalMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LoansForWorkingCapitalMember" xml:lang="en-US">Loans for working capital.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_FacilityLoansMember" xlink:label="loc_kt_FacilityLoansMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_FacilityLoansMember" xml:lang="en-US">Facility Loans [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_FacilityLoansMember" xml:lang="en-US">Facility loans [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_FacilityLoansMember" xlink:to="lab_kt_FacilityLoansMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_FacilityLoansMember" xml:lang="en-US">Facility loans.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativesTransactionLimitMember" xlink:label="loc_kt_DerivativesTransactionLimitMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativesTransactionLimitMember" xml:lang="en-US">Derivatives transaction limit [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DerivativesTransactionLimitMember" xml:lang="en-US">Derivatives transaction limit [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativesTransactionLimitMember" xlink:to="lab_kt_DerivativesTransactionLimitMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativesTransactionLimitMember" xml:lang="en-US">Derivatives transaction limit.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InsuranceForEconomicCooperationProjectMember" xlink:label="loc_kt_InsuranceForEconomicCooperationProjectMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InsuranceForEconomicCooperationProjectMember" xml:lang="en-US">Insurance for Economic Cooperation project [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_InsuranceForEconomicCooperationProjectMember" xml:lang="en-US">Economic Cooperation Business Insurance [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InsuranceForEconomicCooperationProjectMember" xlink:to="lab_kt_InsuranceForEconomicCooperationProjectMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InsuranceForEconomicCooperationProjectMember" xml:lang="en-US">Insurance for Economic Cooperation project .</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KookminBankAndOthersMember" xlink:label="loc_kt_KookminBankAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KookminBankAndOthersMember" xml:lang="en-US">Kookmin Bank and Others [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KookminBankAndOthersMember" xml:lang="en-US">Kookmin Bank and others [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KookminBankAndOthersMember" xlink:to="lab_kt_KookminBankAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KookminBankAndOthersMember" xml:lang="en-US">Kookmin bank and others.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ShinhanBankAndOthersMember" xlink:label="loc_kt_ShinhanBankAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ShinhanBankAndOthersMember" xml:lang="en-US">Shinhan Bank and others [member] [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ShinhanBankAndOthersMember" xml:lang="en-US">Shinhan Bank and others [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ShinhanBankAndOthersMember" xlink:to="lab_kt_ShinhanBankAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ShinhanBankAndOthersMember" xml:lang="en-US">Shinhan Bank and others.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KoreaDevelopmentBankAndOthersMember" xlink:label="loc_kt_KoreaDevelopmentBankAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KoreaDevelopmentBankAndOthersMember" xml:lang="en-US">Korea Development Bank and others [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KoreaDevelopmentBankAndOthersMember" xml:lang="en-US">Korea Development Bank and others [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KoreaDevelopmentBankAndOthersMember" xlink:to="lab_kt_KoreaDevelopmentBankAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KoreaDevelopmentBankAndOthersMember" xml:lang="en-US">Korea development bank and others.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LineOfCreditFacilityMaximumAmountOutstanding" xlink:label="loc_kt_LineOfCreditFacilityMaximumAmountOutstanding" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LineOfCreditFacilityMaximumAmountOutstanding" xml:lang="en-US">Line of Credit Facility Maximum Amount Outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LineOfCreditFacilityMaximumAmountOutstanding" xml:lang="en-US">Limit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LineOfCreditFacilityMaximumAmountOutstanding" xlink:to="lab_kt_LineOfCreditFacilityMaximumAmountOutstanding" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LineOfCreditFacilityMaximumAmountOutstanding" xml:lang="en-US">Line of credit facility maximum amount outstanding.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LineOfCreditFacilityUsedAmount" xlink:label="loc_kt_LineOfCreditFacilityUsedAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LineOfCreditFacilityUsedAmount" xml:lang="en-US">Line of Credit Facility Used Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LineOfCreditFacilityUsedAmount" xml:lang="en-US">Used amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LineOfCreditFacilityUsedAmount" xlink:to="lab_kt_LineOfCreditFacilityUsedAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LineOfCreditFacilityUsedAmount" xml:lang="en-US">Line of credit facility, used amount.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GuaranteeForPaymentInKoreanCurrencyMember" xlink:label="loc_kt_GuaranteeForPaymentInKoreanCurrencyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GuaranteeForPaymentInKoreanCurrencyMember" xml:lang="en-US">Guarantee For Payment In Korean Currency [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GuaranteeForPaymentInKoreanCurrencyMember" xml:lang="en-US">Guarantee for payment in korean currency [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GuaranteeForPaymentInKoreanCurrencyMember" xlink:to="lab_kt_GuaranteeForPaymentInKoreanCurrencyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GuaranteeForPaymentInKoreanCurrencyMember" xml:lang="en-US">Guarantee for payment in korean currency.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GuaranteeForPaymentInForeignCurrencyMember" xlink:label="loc_kt_GuaranteeForPaymentInForeignCurrencyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GuaranteeForPaymentInForeignCurrencyMember" xml:lang="en-US">Guarantee For Payment In Foreign Currency [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GuaranteeForPaymentInForeignCurrencyMember" xml:lang="en-US">Guarantee for payment in foreign currency [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GuaranteeForPaymentInForeignCurrencyMember" xlink:to="lab_kt_GuaranteeForPaymentInForeignCurrencyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GuaranteeForPaymentInForeignCurrencyMember" xml:lang="en-US">Guarantee for payment in foreign currency.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GuaranteesForDepositsMember" xlink:label="loc_kt_GuaranteesForDepositsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GuaranteesForDepositsMember" xml:lang="en-US">Guarantees For Deposits [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GuaranteesForDepositsMember" xml:lang="en-US">Guarantees for depositions [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GuaranteesForDepositsMember" xlink:to="lab_kt_GuaranteesForDepositsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GuaranteesForDepositsMember" xml:lang="en-US">Guarantees for deposits.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ComprehensiveCreditLineAndOthersMember" xlink:label="loc_kt_ComprehensiveCreditLineAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ComprehensiveCreditLineAndOthersMember" xml:lang="en-US">Comprehensive Credit Line and Others [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ComprehensiveCreditLineAndOthersMember" xlink:to="lab_kt_ComprehensiveCreditLineAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ComprehensiveCreditLineAndOthersMember" xml:lang="en-US">Comprehensive Credit Line and Others</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GuaranteeForPaymentInForeignCurrencyAndOthersMember" xlink:label="loc_kt_GuaranteeForPaymentInForeignCurrencyAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GuaranteeForPaymentInForeignCurrencyAndOthersMember" xml:lang="en-US">Guarantee For Payment In Foreign Currency And Others [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GuaranteeForPaymentInForeignCurrencyAndOthersMember" xlink:to="lab_kt_GuaranteeForPaymentInForeignCurrencyAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GuaranteeForPaymentInForeignCurrencyAndOthersMember" xml:lang="en-US">Guarantee For Payment In Foreign Currency And Others</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PerformanceGuaranteeAndOthersMember" xlink:label="loc_kt_PerformanceGuaranteeAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PerformanceGuaranteeAndOthersMember" xml:lang="en-US">Performance Guarantee And Others [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PerformanceGuaranteeAndOthersMember" xml:lang="en-US">Performance guarantee and others [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PerformanceGuaranteeAndOthersMember" xlink:to="lab_kt_PerformanceGuaranteeAndOthersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PerformanceGuaranteeAndOthersMember" xml:lang="en-US">Performance Guarantee And Others</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CorporateCardIssuanceGuaranteeMember" xlink:label="loc_kt_CorporateCardIssuanceGuaranteeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CorporateCardIssuanceGuaranteeMember" xml:lang="en-US">Corporate Card Issuance Guarantee [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CorporateCardIssuanceGuaranteeMember" xlink:to="lab_kt_CorporateCardIssuanceGuaranteeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CorporateCardIssuanceGuaranteeMember" xml:lang="en-US">Corporate card issuance guarantee.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SeoulGuaranteeInsuranceCompanyMember" xlink:label="loc_kt_SeoulGuaranteeInsuranceCompanyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SeoulGuaranteeInsuranceCompanyMember" xml:lang="en-US">Seoul Guarantee Insurance Company [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SeoulGuaranteeInsuranceCompanyMember" xlink:to="lab_kt_SeoulGuaranteeInsuranceCompanyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SeoulGuaranteeInsuranceCompanyMember" xml:lang="en-US">Seoul Guarantee Insurance Company.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KoreaSpecialtyContractorFinancialCooperativeMember" xlink:label="loc_kt_KoreaSpecialtyContractorFinancialCooperativeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KoreaSpecialtyContractorFinancialCooperativeMember" xml:lang="en-US">Korea Specialty Contractor Financial Cooperative [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KoreaSpecialtyContractorFinancialCooperativeMember" xlink:to="lab_kt_KoreaSpecialtyContractorFinancialCooperativeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KoreaSpecialtyContractorFinancialCooperativeMember" xml:lang="en-US">Korea Specialty Contractor Financial Cooperative.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KoreaHousingFinanceCorporationMember" xlink:label="loc_kt_KoreaHousingFinanceCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KoreaHousingFinanceCorporationMember" xml:lang="en-US">Korea Housing Finance Corporation [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KoreaHousingFinanceCorporationMember" xlink:to="lab_kt_KoreaHousingFinanceCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KoreaHousingFinanceCorporationMember" xml:lang="en-US">Korea Housing Finance Corporation.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KoreaHousingUrbanGuaranteeCorporationMember" xlink:label="loc_kt_KoreaHousingUrbanGuaranteeCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KoreaHousingUrbanGuaranteeCorporationMember" xml:lang="en-US">Korea Housing Urban Guarantee Corporation [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KoreaHousingUrbanGuaranteeCorporationMember" xml:lang="en-US">Korea Housing Urban Guarantee Corporation [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KoreaHousingUrbanGuaranteeCorporationMember" xlink:to="lab_kt_KoreaHousingUrbanGuaranteeCorporationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KoreaHousingUrbanGuaranteeCorporationMember" xml:lang="en-US">Korea housing &amp; urban guarantee corporation.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InformationCommunicationFinancialCooperativeMember" xlink:label="loc_kt_InformationCommunicationFinancialCooperativeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InformationCommunicationFinancialCooperativeMember" xml:lang="en-US">Information Communication Financial Cooperative [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InformationCommunicationFinancialCooperativeMember" xlink:to="lab_kt_InformationCommunicationFinancialCooperativeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InformationCommunicationFinancialCooperativeMember" xml:lang="en-US">Information &amp; communication financial cooperative.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:label="loc_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xml:lang="en-US">Exposure to credit risk on loan commitments and financial guarantee contracts</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xml:lang="en-US">Guarantees limit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" xlink:to="lab_ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CollateralMember" xlink:label="loc_kt_CollateralMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CollateralMember" xml:lang="en-US">Collateral [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CollateralMember" xlink:to="lab_kt_CollateralMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CollateralMember" xml:lang="en-US">Collateral.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ContingentLiabilitiesGuaranteeBeneficiaryAxis" xlink:label="loc_kt_ContingentLiabilitiesGuaranteeBeneficiaryAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ContingentLiabilitiesGuaranteeBeneficiaryAxis" xml:lang="en-US">Contingent liabilities guarantee beneficiary [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ContingentLiabilitiesGuaranteeBeneficiaryAxis" xml:lang="en-US">Contingent liabilities guarantee beneficiary [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ContingentLiabilitiesGuaranteeBeneficiaryAxis" xlink:to="lab_kt_ContingentLiabilitiesGuaranteeBeneficiaryAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ContingentLiabilitiesGuaranteeBeneficiaryAxis" xml:lang="en-US">Contingent liabilities guarantee beneficiary [axis]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ContingentLiabilitiesGuaranteeBeneficiaryDomain" xlink:label="loc_kt_ContingentLiabilitiesGuaranteeBeneficiaryDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ContingentLiabilitiesGuaranteeBeneficiaryDomain" xml:lang="en-US">Contingent liabilities guarantee beneficiary [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ContingentLiabilitiesGuaranteeBeneficiaryDomain" xml:lang="en-US">Contingent liabilities guarantee beneficiary [domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ContingentLiabilitiesGuaranteeBeneficiaryDomain" xlink:to="lab_kt_ContingentLiabilitiesGuaranteeBeneficiaryDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ContingentLiabilitiesGuaranteeBeneficiaryDomain" xml:lang="en-US">Contingent liabilities guarantee beneficiary [domain]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GuaranteesMember" xlink:label="loc_ifrs-full_GuaranteesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GuaranteesMember" xml:lang="en-US">Guarantees [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GuaranteesMember" xml:lang="en-US">Guarantees [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GuaranteesMember" xlink:to="lab_ifrs-full_GuaranteesMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KoreaSecuritiesFinanceCorpMember" xlink:label="loc_kt_KoreaSecuritiesFinanceCorpMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KoreaSecuritiesFinanceCorpMember" xml:lang="en-US">Korea Securities Finance Corp [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KoreaSecuritiesFinanceCorpMember" xlink:to="lab_kt_KoreaSecuritiesFinanceCorpMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KoreaSecuritiesFinanceCorpMember" xml:lang="en-US">Korea Securities
Finance Corp .</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DescriptionOfSubjectToPaymentGuarantees" xlink:label="loc_kt_DescriptionOfSubjectToPaymentGuarantees" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DescriptionOfSubjectToPaymentGuarantees" xml:lang="en-US">Description Of Subject To Payment Guarantees</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DescriptionOfSubjectToPaymentGuarantees" xml:lang="en-US">Subject to payment guarantees</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DescriptionOfSubjectToPaymentGuarantees" xlink:to="lab_kt_DescriptionOfSubjectToPaymentGuarantees" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DescriptionOfSubjectToPaymentGuarantees" xml:lang="en-US">Description of subject to payment guarantees.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GrossLoanCommitments" xlink:label="loc_ifrs-full_GrossLoanCommitments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GrossLoanCommitments" xml:lang="en-US">Gross loan commitments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GrossLoanCommitments" xml:lang="en-US">Limit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossLoanCommitments" xlink:to="lab_ifrs-full_GrossLoanCommitments" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KtEngineeringCoLtdMember" xlink:label="loc_kt_KtEngineeringCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KtEngineeringCoLtdMember" xml:lang="en-US">KT Engineering Co Ltd [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KtEngineeringCoLtdMember" xlink:to="lab_kt_KtEngineeringCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KtEngineeringCoLtdMember" xml:lang="en-US">KT Engineering Co., Ltd</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralTable" xlink:label="loc_kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralTable" xml:lang="en-US">Disclosure Of Investment Properties Provided As Collateral [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralTable" xlink:to="lab_kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralTable" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralLineItems" xlink:label="loc_kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralLineItems" xml:lang="en-US">Disclosure Of Investment Properties Provided As Collateral [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralLineItems" xlink:to="lab_kt_DisclosureOfInvestmentPropertiesProvidedAsCollateralLineItems" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RelatedAmountDescriptionInInvestmentProperties" xlink:label="loc_kt_RelatedAmountDescriptionInInvestmentProperties" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RelatedAmountDescriptionInInvestmentProperties" xml:lang="en-US">Related Amount Description In Investment Properties</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RelatedAmountDescriptionInInvestmentProperties" xml:lang="en-US">Related account</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RelatedAmountDescriptionInInvestmentProperties" xlink:to="lab_kt_RelatedAmountDescriptionInInvestmentProperties" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RelatedAmountDescriptionInInvestmentProperties" xml:lang="en-US">Related amount description in investment properties.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InvestmentPropertiesHeldAsCollateralCarryingAmount" xlink:label="loc_kt_InvestmentPropertiesHeldAsCollateralCarryingAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InvestmentPropertiesHeldAsCollateralCarryingAmount" xml:lang="en-US">Investment Properties Held As Collateral Carrying Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_InvestmentPropertiesHeldAsCollateralCarryingAmount" xml:lang="en-US">Carrying amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InvestmentPropertiesHeldAsCollateralCarryingAmount" xlink:to="lab_kt_InvestmentPropertiesHeldAsCollateralCarryingAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InvestmentPropertiesHeldAsCollateralCarryingAmount" xml:lang="en-US">Investment properties held as collateral carrying amount.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InvestmentPropertiesHeldAsCollateralSecuredAmount" xlink:label="loc_kt_InvestmentPropertiesHeldAsCollateralSecuredAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InvestmentPropertiesHeldAsCollateralSecuredAmount" xml:lang="en-US">Investment Properties Held As Collateral Secured Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_InvestmentPropertiesHeldAsCollateralSecuredAmount" xml:lang="en-US">Secured amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InvestmentPropertiesHeldAsCollateralSecuredAmount" xlink:to="lab_kt_InvestmentPropertiesHeldAsCollateralSecuredAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InvestmentPropertiesHeldAsCollateralSecuredAmount" xml:lang="en-US">Investment properties held as collateral secured amount.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Mortgagee" xlink:label="loc_kt_Mortgagee" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Mortgagee" xml:lang="en-US">Mortgagee</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_Mortgagee" xml:lang="en-US">Mortgagee</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Mortgagee" xlink:to="lab_kt_Mortgagee" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_Mortgagee" xml:lang="en-US">Mortgagee.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CollateralSecuredPartyAxis" xlink:label="loc_kt_CollateralSecuredPartyAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CollateralSecuredPartyAxis" xml:lang="en-US">Collateral Secured Party [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CollateralSecuredPartyAxis" xlink:to="lab_kt_CollateralSecuredPartyAxis" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CollateralSecuredPartyMember" xlink:label="loc_kt_CollateralSecuredPartyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CollateralSecuredPartyMember" xml:lang="en-US">Collateral Secured Party [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CollateralSecuredPartyMember" xlink:to="lab_kt_CollateralSecuredPartyMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IndustrialBankOfKoreaAndShinhanBankAndStandardCharteredBankMember" xlink:label="loc_kt_IndustrialBankOfKoreaAndShinhanBankAndStandardCharteredBankMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IndustrialBankOfKoreaAndShinhanBankAndStandardCharteredBankMember" xml:lang="en-US">Industrial Bank of Korea And Shinhan Bank And Standard Chartered Bank [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_IndustrialBankOfKoreaAndShinhanBankAndStandardCharteredBankMember" xml:lang="en-US">Industrial Bank of Korea/Shinhan Bank/Standard Chartered Bank [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IndustrialBankOfKoreaAndShinhanBankAndStandardCharteredBankMember" xlink:to="lab_kt_IndustrialBankOfKoreaAndShinhanBankAndStandardCharteredBankMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LeaseholderMember" xlink:label="loc_kt_LeaseholderMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LeaseholderMember" xml:lang="en-US">Leaseholder [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LeaseholderMember" xlink:to="lab_kt_LeaseholderMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CommitmentsAndContingenciesTable" xlink:label="loc_kt_CommitmentsAndContingenciesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CommitmentsAndContingenciesTable" xml:lang="en-US">Commitments and Contingencies [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CommitmentsAndContingenciesTable" xlink:to="lab_kt_CommitmentsAndContingenciesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CommitmentsAndContingenciesTable" xml:lang="en-US">Commitments and contingencies.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_JointOperationsAxis" xlink:label="loc_ifrs-full_JointOperationsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_JointOperationsAxis" xml:lang="en-US">Joint operations [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_JointOperationsAxis" xlink:to="lab_ifrs-full_JointOperationsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_JointOperationsDomain" xlink:label="loc_ifrs-full_JointOperationsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_JointOperationsDomain" xml:lang="en-US">Joint operations [domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_JointOperationsDomain" xlink:to="lab_ifrs-full_JointOperationsDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_JointOperationsMember" xlink:label="loc_ifrs-full_JointOperationsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_JointOperationsMember" xml:lang="en-US">Joint operations [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_JointOperationsMember" xml:lang="en-US">Joint operations [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_JointOperationsMember" xlink:to="lab_ifrs-full_JointOperationsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xml:lang="en-US">Categories of related parties [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xml:lang="en-US">Categories of related parties [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xml:lang="en-US">Categories of related parties [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xml:lang="en-US">Entity's total for related parties [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:to="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KDefenseCo.ltdMember" xlink:label="loc_kt_KDefenseCo.ltdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KDefenseCo.ltdMember" xml:lang="en-US">K Defense Co.Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_KDefenseCo.ltdMember" xml:lang="en-US">K Defense Co.Ltd [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KDefenseCo.ltdMember" xlink:to="lab_kt_KDefenseCo.ltdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KDefenseCo.ltdMember" xml:lang="en-US">K Defense Co.Ltd</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CommitmentsAndContingenciesLineItems" xlink:label="loc_kt_CommitmentsAndContingenciesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CommitmentsAndContingenciesLineItems" xml:lang="en-US">Commitments and Contingencies [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CommitmentsAndContingenciesLineItems" xlink:to="lab_kt_CommitmentsAndContingenciesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CommitmentsAndContingenciesLineItems" xml:lang="en-US">Commitments and contingencies.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpectedReimbursementOtherProvisions" xlink:label="loc_ifrs-full_ExpectedReimbursementOtherProvisions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ExpectedReimbursementOtherProvisions" xml:lang="en-US">Expected reimbursement, other provisions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ExpectedReimbursementOtherProvisions" xml:lang="en-US">Severally liable for reimbursement</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpectedReimbursementOtherProvisions" xlink:to="lab_ifrs-full_ExpectedReimbursementOtherProvisions" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_NumberOfLawsuitsFaced" xlink:label="loc_kt_NumberOfLawsuitsFaced" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_NumberOfLawsuitsFaced" xml:lang="en-US">Number Of Lawsuits Faced</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_NumberOfLawsuitsFaced" xml:lang="en-US">Number of lawsuits</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_NumberOfLawsuitsFaced" xlink:to="lab_kt_NumberOfLawsuitsFaced" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_NumberOfLawsuitsFaced" xml:lang="en-US">Number of law suits faced.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LitigationSettlementsClaimAmount" xlink:label="loc_kt_LitigationSettlementsClaimAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LitigationSettlementsClaimAmount" xml:lang="en-US">Litigation Settlements Claim Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LitigationSettlementsClaimAmount" xml:lang="en-US">Litigation settlement claim amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LitigationSettlementsClaimAmount" xlink:to="lab_kt_LitigationSettlementsClaimAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LitigationSettlementsClaimAmount" xml:lang="en-US">Litigation settlements claim amount.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LegalProceedingsProvision" xlink:label="loc_ifrs-full_LegalProceedingsProvision" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LegalProceedingsProvision" xml:lang="en-US">Legal proceedings provision</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LegalProceedingsProvision" xml:lang="en-US">Litigation provision</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LegalProceedingsProvision" xlink:to="lab_ifrs-full_LegalProceedingsProvision" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GuaranteeInterestPercentage" xlink:label="loc_kt_GuaranteeInterestPercentage" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GuaranteeInterestPercentage" xml:lang="en-US">Guarantee interest percentage</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GuaranteeInterestPercentage" xml:lang="en-US">New town development consortium percentage of ownership interest</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GuaranteeInterestPercentage" xlink:to="lab_kt_GuaranteeInterestPercentage" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GuaranteeInterestPercentage" xml:lang="en-US">Guarantee interest percentage.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AcquisitionContractAgreementNotYetRecognizedAsLiabilities" xlink:label="loc_kt_AcquisitionContractAgreementNotYetRecognizedAsLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AcquisitionContractAgreementNotYetRecognizedAsLiabilities" xml:lang="en-US">Acquisition contract agreement not yet recognized as liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AcquisitionContractAgreementNotYetRecognizedAsLiabilities" xml:lang="en-US">Contract amount not yet recognized as liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AcquisitionContractAgreementNotYetRecognizedAsLiabilities" xlink:to="lab_kt_AcquisitionContractAgreementNotYetRecognizedAsLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AcquisitionContractAgreementNotYetRecognizedAsLiabilities" xml:lang="en-US">Acquisition contract agreement not yet recognized as liabilities.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdditionalCumulativeInvestmentAmount" xlink:label="loc_kt_AdditionalCumulativeInvestmentAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdditionalCumulativeInvestmentAmount" xml:lang="en-US">Additional Cumulative Investment Amount</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdditionalCumulativeInvestmentAmount" xml:lang="en-US">Additional cumulative investment amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdditionalCumulativeInvestmentAmount" xlink:to="lab_kt_AdditionalCumulativeInvestmentAmount" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdditionalCumulativeInvestmentAmount" xml:lang="en-US">Additional cumulative investment amount.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:label="loc_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xml:lang="en-US">Estimated financial effect of contingent liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xml:lang="en-US">Estimated financial effect of contingent liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:to="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PercentageOfEstimatedFinancialEffectOfContingentLiabilities" xlink:label="loc_kt_PercentageOfEstimatedFinancialEffectOfContingentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PercentageOfEstimatedFinancialEffectOfContingentLiabilities" xml:lang="en-US">Percentage of Estimated Financial Effect of Contingent Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PercentageOfEstimatedFinancialEffectOfContingentLiabilities" xml:lang="en-US">Percentage of estimated financial effect of contingent liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PercentageOfEstimatedFinancialEffectOfContingentLiabilities" xlink:to="lab_kt_PercentageOfEstimatedFinancialEffectOfContingentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PercentageOfEstimatedFinancialEffectOfContingentLiabilities" xml:lang="en-US">Percentage of estimated financial effect of contingent liabilities.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TradeAndOtherPayablesSupplierFinanceArrangements" xlink:label="loc_kt_TradeAndOtherPayablesSupplierFinanceArrangements" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TradeAndOtherPayablesSupplierFinanceArrangements" xml:lang="en-US">Trade And Other Payables Supplier Finance Arrangements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TradeAndOtherPayablesSupplierFinanceArrangements" xml:lang="en-US">Trade and other payables supplier finance arrangements</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TradeAndOtherPayablesSupplierFinanceArrangements" xlink:to="lab_kt_TradeAndOtherPayablesSupplierFinanceArrangements" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TradeAndOtherPayablesSupplierFinanceArrangements" xml:lang="en-US">Trade and other payables supplier finance arrangements.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AmountReceivedFromFinanceProvider" xlink:label="loc_kt_AmountReceivedFromFinanceProvider" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AmountReceivedFromFinanceProvider" xml:lang="en-US">Amount Received From Finance Provider</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AmountReceivedFromFinanceProvider" xml:lang="en-US">Amount received for finance provider</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AmountReceivedFromFinanceProvider" xlink:to="lab_kt_AmountReceivedFromFinanceProvider" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AmountReceivedFromFinanceProvider" xml:lang="en-US">Amount received for finance provider.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeAbstract" xlink:label="loc_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeAbstract" xml:lang="en-US">Disclosure of balance sheet information about leases for lessee [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeAbstract" xlink:to="lab_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeAbstract" xml:lang="en-US">Disclosure of balance sheet information about leases for lessee</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeTable" xlink:label="loc_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeTable" xml:lang="en-US">Disclosure of balance sheet information about leases for lessee [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeTable" xlink:to="lab_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeTable" xml:lang="en-US">Disclosure of balance sheet information about leases for lessee</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeLineItems" xlink:label="loc_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeLineItems" xml:lang="en-US">Disclosure of balance sheet information about leases for lessee [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeLineItems" xlink:to="lab_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfBalanceSheetInformationAboutLeasesForLesseeLineItems" xml:lang="en-US">Disclosure of balance sheet information about leases for lessee</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LeaseLiabilitiesAbstract" xlink:label="loc_ifrs-full_LeaseLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LeaseLiabilitiesAbstract" xml:lang="en-US">Lease liabilities [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LeaseLiabilitiesAbstract" xml:lang="en-US">Lease liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilitiesAbstract" xlink:to="lab_ifrs-full_LeaseLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentLeaseLiabilities" xlink:label="loc_ifrs-full_CurrentLeaseLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xml:lang="en-US">Current lease liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentLeaseLiabilities" xml:lang="en-US">Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentLeaseLiabilities" xlink:to="lab_ifrs-full_CurrentLeaseLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentLeaseLiabilities" xlink:label="loc_ifrs-full_NoncurrentLeaseLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xml:lang="en-US">Non-current lease liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentLeaseLiabilities" xml:lang="en-US">Non-Current</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentLeaseLiabilities" xlink:to="lab_ifrs-full_NoncurrentLeaseLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LandAndBuildingsMember" xlink:label="loc_ifrs-full_LandAndBuildingsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LandAndBuildingsMember" xml:lang="en-US">Land and buildings [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_LandAndBuildingsMember" xml:lang="en-US">Property and building [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LandAndBuildingsMember" xlink:to="lab_ifrs-full_LandAndBuildingsMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MachineryAndCommunicationLineFacilitiesMember" xlink:label="loc_kt_MachineryAndCommunicationLineFacilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MachineryAndCommunicationLineFacilitiesMember" xml:lang="en-US">Machinery and communication line facilities [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MachineryAndCommunicationLineFacilitiesMember" xml:lang="en-US">Machinery and communication line facilities [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MachineryAndCommunicationLineFacilitiesMember" xlink:to="lab_kt_MachineryAndCommunicationLineFacilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MachineryAndCommunicationLineFacilitiesMember" xml:lang="en-US">Machinery and communication line facilities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherAssetsMember" xlink:label="loc_ifrs-full_OtherAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherAssetsMember" xml:lang="en-US">Other assets [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherAssetsMember" xml:lang="en-US">Other [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAssetsMember" xlink:to="lab_ifrs-full_OtherAssetsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PreviouslyStatedMember" xlink:label="loc_ifrs-full_PreviouslyStatedMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PreviouslyStatedMember" xml:lang="en-US">Previously stated [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PreviouslyStatedMember" xlink:to="lab_ifrs-full_PreviouslyStatedMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeAbstract" xlink:label="loc_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeAbstract" xml:lang="en-US">Disclosure of statement of profit or loss information about leases for lessee [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeAbstract" xlink:to="lab_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeAbstract" xml:lang="en-US">Disclosure of statement of profit or loss information about leases for lessee</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeTable" xlink:label="loc_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeTable" xml:lang="en-US">Disclosure of statement of profit or loss information about leases for lessee [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeTable" xlink:to="lab_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeTable" xml:lang="en-US">Disclosure of statement of profit or loss information about leases for lessee</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeLineItems" xlink:label="loc_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeLineItems" xml:lang="en-US">Disclosure of statement of profit or loss information about leases for lessee [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeLineItems" xlink:to="lab_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfStatementOfProfitOrLossInformationAboutLeasesForLesseeLineItems" xml:lang="en-US">Disclosure of statement of profit or loss information about leases for lessee</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DepreciationOfInvestmentProperties" xlink:label="loc_kt_DepreciationOfInvestmentProperties" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DepreciationOfInvestmentProperties" xml:lang="en-US">Depreciation Of Investment Properties</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DepreciationOfInvestmentProperties" xml:lang="en-US">Depreciation of Investment Properties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DepreciationOfInvestmentProperties" xlink:to="lab_kt_DepreciationOfInvestmentProperties" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DepreciationOfInvestmentProperties" xml:lang="en-US">Depreciation of investment properties.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed" xlink:label="loc_ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed" xml:lang="en-US">Expense relating to short-term leases for which recognition exemption has been used</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed" xml:lang="en-US">Expense relating to short-term leases</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed" xlink:to="lab_ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed" xlink:label="loc_ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed" xml:lang="en-US">Expense relating to leases of low-value assets for which recognition exemption has been used</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed" xml:lang="en-US">Expense relating to leases of low-value assets that are not short-term leases</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed" xlink:to="lab_ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" xlink:label="loc_ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" xml:lang="en-US">Expense relating to variable lease payments not included in measurement of lease liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" xml:lang="en-US">Expense relating to variable lease payments not included in lease liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" xlink:to="lab_ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DepreciationRightsOfUseAssets" xlink:label="loc_kt_DepreciationRightsOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DepreciationRightsOfUseAssets" xml:lang="en-US">Depreciation Rights Of Use Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_DepreciationRightsOfUseAssets" xml:lang="en-US">Depreciation of Right-of-use assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DepreciationRightsOfUseAssets" xml:lang="en-US">Depreciation of right-of-use assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DepreciationRightsOfUseAssets" xlink:to="lab_kt_DepreciationRightsOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DepreciationRightsOfUseAssets" xml:lang="en-US">Depreciation rights of use assets.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfArrangementInvolvingLegalFormOfLeaseAbstract" xlink:label="loc_kt_DisclosureOfArrangementInvolvingLegalFormOfLeaseAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfArrangementInvolvingLegalFormOfLeaseAbstract" xml:lang="en-US">Disclosure Of Arrangement Involving Legal Form Of Lease [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfArrangementInvolvingLegalFormOfLeaseAbstract" xlink:to="lab_kt_DisclosureOfArrangementInvolvingLegalFormOfLeaseAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfArrangementInvolvingLegalFormOfLeaseAbstract" xml:lang="en-US">Disclosure Of arrangement involving legal form of lease.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashOutflowForLeases" xlink:label="loc_ifrs-full_CashOutflowForLeases" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CashOutflowForLeases" xml:lang="en-US">Cash outflow for leases</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CashOutflowForLeases" xml:lang="en-US">Cash outflow for leases</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashOutflowForLeases" xlink:to="lab_ifrs-full_CashOutflowForLeases" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IncreaseDecreaseInRightOfUseAssets" xlink:label="loc_kt_IncreaseDecreaseInRightOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IncreaseDecreaseInRightOfUseAssets" xml:lang="en-US">Increase Decrease In Right Of Use Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_IncreaseDecreaseInRightOfUseAssets" xml:lang="en-US">Increase decrease in right of use assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IncreaseDecreaseInRightOfUseAssets" xlink:to="lab_kt_IncreaseDecreaseInRightOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IncreaseDecreaseInRightOfUseAssets" xml:lang="en-US">Increase Decrease In Right Of Use Assets</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xml:lang="en-US">Disclosure of classes of share capital [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfSharesAuthorised" xlink:label="loc_ifrs-full_NumberOfSharesAuthorised" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NumberOfSharesAuthorised" xml:lang="en-US">Number of shares authorised</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NumberOfSharesAuthorised" xml:lang="en-US">Number of authorized shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesAuthorised" xlink:to="lab_ifrs-full_NumberOfSharesAuthorised" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xml:lang="en-US">Disclosure of classes of share capital [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xml:lang="en-US">Disclosure of classes of share capital [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalTable" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:label="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xml:lang="en-US">Disclosure of classes of share capital [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xml:lang="en-US">Disclosure of classes of share capital [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" xlink:to="lab_ifrs-full_DisclosureOfClassesOfShareCapitalLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ParValuePerShare" xlink:label="loc_ifrs-full_ParValuePerShare" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ParValuePerShare" xml:lang="en-US">Par value per share</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ParValuePerShare" xml:lang="en-US">Par value per share</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ParValuePerShare" xlink:to="lab_ifrs-full_ParValuePerShare" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfSharesIssued" xlink:label="loc_ifrs-full_NumberOfSharesIssued" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xml:lang="en-US">Number of shares issued</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xml:lang="en-US">Number of issued shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesIssued" xlink:to="lab_ifrs-full_NumberOfSharesIssued" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_NumberOfTreasurySharesRetiredAgainstRetainedEarnings" xlink:label="loc_kt_NumberOfTreasurySharesRetiredAgainstRetainedEarnings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_NumberOfTreasurySharesRetiredAgainstRetainedEarnings" xml:lang="en-US">Number of Treasury Shares Retired Against Retained Earnings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_NumberOfTreasurySharesRetiredAgainstRetainedEarnings" xml:lang="en-US">Treasury shares</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_NumberOfTreasurySharesRetiredAgainstRetainedEarnings" xlink:to="lab_kt_NumberOfTreasurySharesRetiredAgainstRetainedEarnings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_NumberOfTreasurySharesRetiredAgainstRetainedEarnings" xml:lang="en-US">Number of treasury shares retired against retained earnings.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MiscellaneousEquityAbstract" xlink:label="loc_ifrs-full_MiscellaneousEquityAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MiscellaneousEquityAbstract" xml:lang="en-US">Miscellaneous equity [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousEquityAbstract" xlink:to="lab_ifrs-full_MiscellaneousEquityAbstract" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RetainedEarningsTransferredToLegalReserves" xlink:label="loc_kt_RetainedEarningsTransferredToLegalReserves" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RetainedEarningsTransferredToLegalReserves" xml:lang="en-US">Retained earnings transferred to legal reserves</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RetainedEarningsTransferredToLegalReserves" xml:lang="en-US">Legal reserve</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RetainedEarningsTransferredToLegalReserves" xlink:to="lab_kt_RetainedEarningsTransferredToLegalReserves" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RetainedEarningsTransferredToLegalReserves" xml:lang="en-US">Retained earnings transferred to legal reserves.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_VoluntaryReserves" xlink:label="loc_kt_VoluntaryReserves" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_VoluntaryReserves" xml:lang="en-US">Voluntary reserves</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_VoluntaryReserves" xml:lang="en-US">Voluntary reserves</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_VoluntaryReserves" xlink:to="lab_kt_VoluntaryReserves" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_VoluntaryReserves" xml:lang="en-US">Voluntary reserves.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_UnappropriatedRetainedEarnings" xlink:label="loc_kt_UnappropriatedRetainedEarnings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_UnappropriatedRetainedEarnings" xml:lang="en-US">Unappropriated Retained Earnings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_UnappropriatedRetainedEarnings" xml:lang="en-US">Unappropriated retained earnings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_UnappropriatedRetainedEarnings" xlink:to="lab_kt_UnappropriatedRetainedEarnings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_UnappropriatedRetainedEarnings" xml:lang="en-US">Unappropriated retained earnings.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MinimumPercentageOfCashDividendDeclaredAppropriationToLegalReserve" xlink:label="loc_kt_MinimumPercentageOfCashDividendDeclaredAppropriationToLegalReserve" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MinimumPercentageOfCashDividendDeclaredAppropriationToLegalReserve" xml:lang="en-US">Minimum Percentage Of Cash Dividend Declared Appropriation To Legal Reserve</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MinimumPercentageOfCashDividendDeclaredAppropriationToLegalReserve" xml:lang="en-US">Minimum percentage of cash dividend declared appropriation to legal reserve</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MinimumPercentageOfCashDividendDeclaredAppropriationToLegalReserve" xlink:to="lab_kt_MinimumPercentageOfCashDividendDeclaredAppropriationToLegalReserve" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MinimumPercentageOfCashDividendDeclaredAppropriationToLegalReserve" xml:lang="en-US">Minimum percentage of cash dividend declared appropriation to legal reserve.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PercentageOfLegalReservesEqualToCapitalStock" xlink:label="loc_kt_PercentageOfLegalReservesEqualToCapitalStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PercentageOfLegalReservesEqualToCapitalStock" xml:lang="en-US">Percentage Of Legal Reserves Equal To Capital Stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PercentageOfLegalReservesEqualToCapitalStock" xml:lang="en-US">Percentage of legal reserve equal to capital stock issued</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PercentageOfLegalReservesEqualToCapitalStock" xlink:to="lab_kt_PercentageOfLegalReservesEqualToCapitalStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PercentageOfLegalReservesEqualToCapitalStock" xml:lang="en-US">Percentage of legal reserves equal to capital stock.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ChangesinInvestmentsInAssociatesandJointVenturesMember" xlink:label="loc_kt_ChangesinInvestmentsInAssociatesandJointVenturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ChangesinInvestmentsInAssociatesandJointVenturesMember" xml:lang="en-US">Changes in investments in associates and joint ventures [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ChangesinInvestmentsInAssociatesandJointVenturesMember" xml:lang="en-US">Changes in investments in associates and joint ventures [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ChangesinInvestmentsInAssociatesandJointVenturesMember" xlink:to="lab_kt_ChangesinInvestmentsInAssociatesandJointVenturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ChangesinInvestmentsInAssociatesandJointVenturesMember" xml:lang="en-US">Changes in investments in associates and joint ventures.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainOrLossOnDerivativesValuationMember" xlink:label="loc_kt_GainOrLossOnDerivativesValuationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainOrLossOnDerivativesValuationMember" xml:lang="en-US">Gain or Loss on derivatives valuation [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainOrLossOnDerivativesValuationMember" xml:lang="en-US">Gain (loss) on derivatives valuation [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_GainOrLossOnDerivativesValuationMember" xml:lang="en-US">Gain (loss) on derivatives valuation [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainOrLossOnDerivativesValuationMember" xlink:to="lab_kt_GainOrLossOnDerivativesValuationMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainOrLossOnDerivativesValuationMember" xml:lang="en-US">Gain or Loss on derivatives valuation.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainOnValuationOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xlink:label="loc_kt_GainOnValuationOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainOnValuationOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Gain on valuation of financial assets at fair value through other comprehensive income [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainOnValuationOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Gain (loss) on valuation of financial assets at fair value through other comprehensive income [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_GainOnValuationOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Gain (loss) on valuation of financial assets at fair value through other comprehensive income [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainOnValuationOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="lab_kt_GainOnValuationOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainOnValuationOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Gain on valuation of financial assets at fair value through other comprehensive income.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ExchangeDifferencesOnTranslationForForeignOperationsMember" xlink:label="loc_kt_ExchangeDifferencesOnTranslationForForeignOperationsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ExchangeDifferencesOnTranslationForForeignOperationsMember" xml:lang="en-US">Exchange differences on translation for foreign operations [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ExchangeDifferencesOnTranslationForForeignOperationsMember" xml:lang="en-US">Exchange differences on translation for foreign operations [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ExchangeDifferencesOnTranslationForForeignOperationsMember" xlink:to="lab_kt_ExchangeDifferencesOnTranslationForForeignOperationsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ExchangeDifferencesOnTranslationForForeignOperationsMember" xml:lang="en-US">Exchange differences on translation for foreign operations.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IncreaseDecreaseInOtherComprehensiveIncome" xlink:label="loc_kt_IncreaseDecreaseInOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IncreaseDecreaseInOtherComprehensiveIncome" xml:lang="en-US">Increase (decrease) in other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_IncreaseDecreaseInOtherComprehensiveIncome" xml:lang="en-US">Increase /decrease</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IncreaseDecreaseInOtherComprehensiveIncome" xlink:to="lab_kt_IncreaseDecreaseInOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IncreaseDecreaseInOtherComprehensiveIncome" xml:lang="en-US">Increase (decrease) in other comprehensive income</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TreasuryShares" xlink:label="loc_ifrs-full_TreasuryShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TreasuryShares" xml:lang="en-US">Treasury shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_TreasuryShares" xml:lang="en-US">Treasury stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TreasuryShares" xml:lang="en-US">Amounts (in millions of Korean won)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TreasuryShares" xlink:to="lab_ifrs-full_TreasuryShares" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainLossOnDisposalOfTreasuryStock" xlink:label="loc_kt_GainLossOnDisposalOfTreasuryStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainLossOnDisposalOfTreasuryStock" xml:lang="en-US">Gain Loss on disposal of treasury stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_GainLossOnDisposalOfTreasuryStock" xml:lang="en-US">Gain or loss on disposal of treasury stock</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainLossOnDisposalOfTreasuryStock" xlink:to="lab_kt_GainLossOnDisposalOfTreasuryStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainLossOnDisposalOfTreasuryStock" xml:lang="en-US">Gain Loss on disposal of treasury stock</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:label="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xml:lang="en-US">Expense from share-based payment transactions with employees</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xml:lang="en-US">Share-based payments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" xlink:to="lab_ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherEquityInstruments" xlink:label="loc_kt_OtherEquityInstruments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherEquityInstruments" xml:lang="en-US">Other equity instruments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherEquityInstruments" xml:lang="en-US">Equity transactions within consolidated entities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherEquityInstruments" xlink:to="lab_kt_OtherEquityInstruments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherEquityInstruments" xml:lang="en-US">Other equity instruments.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TreasurySharesAmountDirectlyReflectedInEquity" xlink:label="loc_kt_TreasurySharesAmountDirectlyReflectedInEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TreasurySharesAmountDirectlyReflectedInEquity" xml:lang="en-US">Treasury shares amount directly reflected in equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TreasurySharesAmountDirectlyReflectedInEquity" xml:lang="en-US">Treasury shares, Amount directly reflected in equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TreasurySharesAmountDirectlyReflectedInEquity" xlink:to="lab_kt_TreasurySharesAmountDirectlyReflectedInEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TreasurySharesAmountDirectlyReflectedInEquity" xml:lang="en-US">The value of treasury shares directly reflected in equity.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_NumberOfTreasuryShares" xlink:label="loc_kt_NumberOfTreasuryShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_NumberOfTreasuryShares" xml:lang="en-US">Number Of Treasury Shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_NumberOfTreasuryShares" xml:lang="en-US">Number of shares (in shares)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_NumberOfTreasuryShares" xlink:to="lab_kt_NumberOfTreasuryShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_NumberOfTreasuryShares" xml:lang="en-US">Number of treasury shares.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:label="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xml:lang="en-US">Types of share-based payment arrangements [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xml:lang="en-US">Types of share-based payment arrangements [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:to="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:label="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xml:lang="en-US">Types of share-based payment arrangements [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xml:lang="en-US">Share-based payment arrangements [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:to="lab_ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SeventeenthGrantMember" xlink:label="loc_kt_SeventeenthGrantMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SeventeenthGrantMember" xml:lang="en-US">Seventeenth Grant [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_SeventeenthGrantMember" xml:lang="en-US">17th grant [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SeventeenthGrantMember" xlink:to="lab_kt_SeventeenthGrantMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SeventeenthGrantMember" xml:lang="en-US">Seventeenth grant.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EighteenGrantMember" xlink:label="loc_kt_EighteenGrantMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EighteenGrantMember" xml:lang="en-US">Eighteen Grant [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_EighteenGrantMember" xml:lang="en-US">18th grant [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EighteenGrantMember" xlink:to="lab_kt_EighteenGrantMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EighteenGrantMember" xml:lang="en-US">Eighteen grant.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:label="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xml:lang="en-US">Disclosure of terms and conditions of share-based payment arrangement [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" xlink:to="lab_ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TotalCompensationCosts" xlink:label="loc_kt_TotalCompensationCosts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TotalCompensationCosts" xml:lang="en-US">Total Compensation Costs</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_TotalCompensationCosts" xml:lang="en-US">Total compensation costs</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TotalCompensationCosts" xlink:to="lab_kt_TotalCompensationCosts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TotalCompensationCosts" xml:lang="en-US">Total compensation costs.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:label="loc_ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xml:lang="en-US">Weighted average fair value at measurement date, share options granted</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xml:lang="en-US">Fair value per option</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" xlink:to="lab_ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfOutstandingShareOptions" xlink:label="loc_ifrs-full_NumberOfOutstandingShareOptions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xml:lang="en-US">Number of share options outstanding in share-based payment arrangement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xml:lang="en-US">Beginning</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_NumberOfOutstandingShareOptions" xml:lang="en-US">Ending</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfOutstandingShareOptions" xlink:to="lab_ifrs-full_NumberOfOutstandingShareOptions" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:label="loc_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xml:lang="en-US">Number of share options granted in share-based payment arrangement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xml:lang="en-US">Grant</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" xlink:label="loc_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" xml:lang="en-US">Number of share options expired in share-based payment arrangement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" xml:lang="en-US">Expired</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:label="loc_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xml:lang="en-US">Number of share options exercised in share-based payment arrangement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xml:lang="en-US">Exercised</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" xlink:to="lab_ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SixteenthGrantMember" xlink:label="loc_kt_SixteenthGrantMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SixteenthGrantMember" xml:lang="en-US">Sixteenth Grant [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_SixteenthGrantMember" xml:lang="en-US">16th grant [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SixteenthGrantMember" xlink:to="lab_kt_SixteenthGrantMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SixteenthGrantMember" xml:lang="en-US">Sixteenth grant member.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:label="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xml:lang="en-US">Weighted average exercise price of share options exercised in share-based payment arrangement</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xml:lang="en-US">Weighted average exercise price of share options exercised</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:to="lab_ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:label="loc_ifrs-full_TypesOfAntidilutiveInstrumentsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xml:lang="en-US">Types of antidilutive instruments [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:to="lab_ifrs-full_TypesOfAntidilutiveInstrumentsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfAntidilutiveInstrumentsDomain" xlink:label="loc_ifrs-full_TypesOfAntidilutiveInstrumentsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TypesOfAntidilutiveInstrumentsDomain" xml:lang="en-US">Types of antidilutive instruments [domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfAntidilutiveInstrumentsDomain" xlink:to="lab_ifrs-full_TypesOfAntidilutiveInstrumentsDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RestrictedShareUnitsMember" xlink:label="loc_ifrs-full_RestrictedShareUnitsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RestrictedShareUnitsMember" xml:lang="en-US">Restricted share units [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RestrictedShareUnitsMember" xml:lang="en-US">Restricted share units [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RestrictedShareUnitsMember" xlink:to="lab_ifrs-full_RestrictedShareUnitsMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PercentageOfGrantedSharesWillVest" xlink:label="loc_kt_PercentageOfGrantedSharesWillVest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PercentageOfGrantedSharesWillVest" xml:lang="en-US">Percentage of granted shares will vest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PercentageOfGrantedSharesWillVest" xml:lang="en-US">Percentage of granted shares will vest</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PercentageOfGrantedSharesWillVest" xlink:to="lab_kt_PercentageOfGrantedSharesWillVest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PercentageOfGrantedSharesWillVest" xml:lang="en-US">Percentage of granted shares will vest.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdditionalPercentageOfGrantedSharesWillVest" xlink:label="loc_kt_AdditionalPercentageOfGrantedSharesWillVest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdditionalPercentageOfGrantedSharesWillVest" xml:lang="en-US">Additional Percentage of granted shares will vest</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_AdditionalPercentageOfGrantedSharesWillVest" xml:lang="en-US">Additional percentage of granted shares will vest</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdditionalPercentageOfGrantedSharesWillVest" xlink:to="lab_kt_AdditionalPercentageOfGrantedSharesWillVest" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdditionalPercentageOfGrantedSharesWillVest" xml:lang="en-US">Additional percentage of granted shares will vest .</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:label="loc_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xml:lang="en-US">Weighted average share price, share options granted</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" xlink:to="lab_ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersAbstract" xlink:label="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersAbstract" xml:lang="en-US">Disclosure of disaggregation of revenue from contracts with customers [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersAbstract" xlink:to="lab_ifrs-full_DisclosureOfDisaggregationOfRevenueFromContractsWithCustomersAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevenueFromContractsWithCustomers" xlink:label="loc_ifrs-full_RevenueFromContractsWithCustomers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xml:lang="en-US">Revenue from contracts with customers</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RevenueFromContractsWithCustomers" xml:lang="en-US">Revenue from contracts with customers</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromContractsWithCustomers" xlink:to="lab_ifrs-full_RevenueFromContractsWithCustomers" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RevenueFromOtherSources" xlink:label="loc_kt_RevenueFromOtherSources" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RevenueFromOtherSources" xml:lang="en-US">Revenue from other sources</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RevenueFromOtherSources" xml:lang="en-US">Revenue from other sources</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RevenueFromOtherSources" xlink:to="lab_kt_RevenueFromOtherSources" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RevenueFromOtherSources" xml:lang="en-US">Revenue from other sources.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherRevenue" xlink:label="loc_ifrs-full_OtherRevenue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherRevenue" xml:lang="en-US">Other revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_OtherRevenue" xml:lang="en-US">Other income (Note 26)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherRevenue" xlink:to="lab_ifrs-full_OtherRevenue" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevenueFromRenderingOfMobileTelephoneServices" xlink:label="loc_ifrs-full_RevenueFromRenderingOfMobileTelephoneServices" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RevenueFromRenderingOfMobileTelephoneServices" xml:lang="en-US">Revenue from rendering of mobile telephone services</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RevenueFromRenderingOfMobileTelephoneServices" xml:lang="en-US">Mobile services</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromRenderingOfMobileTelephoneServices" xlink:to="lab_ifrs-full_RevenueFromRenderingOfMobileTelephoneServices" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevenueFromRenderingOfLandLineTelephoneServices" xlink:label="loc_ifrs-full_RevenueFromRenderingOfLandLineTelephoneServices" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RevenueFromRenderingOfLandLineTelephoneServices" xml:lang="en-US">Revenue from rendering of land line telephone services</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RevenueFromRenderingOfLandLineTelephoneServices" xml:lang="en-US">Fixed-line services</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromRenderingOfLandLineTelephoneServices" xlink:to="lab_ifrs-full_RevenueFromRenderingOfLandLineTelephoneServices" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevenueFromRenderingOfTelecommunicationServices" xlink:label="loc_ifrs-full_RevenueFromRenderingOfTelecommunicationServices" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RevenueFromRenderingOfTelecommunicationServices" xml:lang="en-US">Revenue from rendering of telecommunication services</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RevenueFromRenderingOfTelecommunicationServices" xml:lang="en-US">Fixed-line and VoIP telephone services</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromRenderingOfTelecommunicationServices" xlink:to="lab_ifrs-full_RevenueFromRenderingOfTelecommunicationServices" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevenueFromRenderingOfInternetServices" xlink:label="loc_ifrs-full_RevenueFromRenderingOfInternetServices" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RevenueFromRenderingOfInternetServices" xml:lang="en-US">Revenue from rendering of internet services</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RevenueFromRenderingOfInternetServices" xml:lang="en-US">Broadband Internet access services</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromRenderingOfInternetServices" xlink:to="lab_ifrs-full_RevenueFromRenderingOfInternetServices" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevenueFromRenderingOfDataServices" xlink:label="loc_ifrs-full_RevenueFromRenderingOfDataServices" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RevenueFromRenderingOfDataServices" xml:lang="en-US">Revenue from rendering of data services</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RevenueFromRenderingOfDataServices" xml:lang="en-US">Data communication services</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromRenderingOfDataServices" xlink:to="lab_ifrs-full_RevenueFromRenderingOfDataServices" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RevenueFromRenderingOfMediaAndContent" xlink:label="loc_kt_RevenueFromRenderingOfMediaAndContent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RevenueFromRenderingOfMediaAndContent" xml:lang="en-US">Revenue from rendering of media and content</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RevenueFromRenderingOfMediaAndContent" xml:lang="en-US">Media and content</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RevenueFromRenderingOfMediaAndContent" xlink:to="lab_kt_RevenueFromRenderingOfMediaAndContent" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RevenueFromRenderingOfMediaAndContent" xml:lang="en-US">The amount of revenue arising from the rendering of media and content.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RevenueFromRenderingOfFinancialServices" xlink:label="loc_kt_RevenueFromRenderingOfFinancialServices" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RevenueFromRenderingOfFinancialServices" xml:lang="en-US">Revenue from rendering of financial services</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RevenueFromRenderingOfFinancialServices" xml:lang="en-US">Financial services</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RevenueFromRenderingOfFinancialServices" xlink:to="lab_kt_RevenueFromRenderingOfFinancialServices" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RevenueFromRenderingOfFinancialServices" xml:lang="en-US">Revenue from rendering of financial services.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevenueFromSaleOfGoods" xlink:label="loc_ifrs-full_RevenueFromSaleOfGoods" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RevenueFromSaleOfGoods" xml:lang="en-US">Revenue from sale of goods</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RevenueFromSaleOfGoods" xml:lang="en-US">Sale of goods</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromSaleOfGoods" xlink:to="lab_ifrs-full_RevenueFromSaleOfGoods" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RevenueFromRenderingOfOtherServices" xlink:label="loc_kt_RevenueFromRenderingOfOtherServices" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RevenueFromRenderingOfOtherServices" xml:lang="en-US">Revenue from rendering of other services</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RevenueFromRenderingOfOtherServices" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RevenueFromRenderingOfOtherServices" xlink:to="lab_kt_RevenueFromRenderingOfOtherServices" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RevenueFromRenderingOfOtherServices" xml:lang="en-US">Revenue from rendering of other services</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfRevenueFromContractsWithCustomersTable" xlink:label="loc_kt_DisclosureOfRevenueFromContractsWithCustomersTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfRevenueFromContractsWithCustomersTable" xml:lang="en-US">Disclosure of revenue from contracts with customers [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfRevenueFromContractsWithCustomersTable" xml:lang="en-US">Disclosure of revenue from contracts with customers [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfRevenueFromContractsWithCustomersTable" xlink:to="lab_kt_DisclosureOfRevenueFromContractsWithCustomersTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfRevenueFromContractsWithCustomersTable" xml:lang="en-US">Disclosure of revenue from contracts with customers [table]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfRevenueFromContractsWithCustomersLineItems" xlink:label="loc_kt_DisclosureOfRevenueFromContractsWithCustomersLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfRevenueFromContractsWithCustomersLineItems" xml:lang="en-US">Disclosure of revenue from contracts with customers [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfRevenueFromContractsWithCustomersLineItems" xml:lang="en-US">Disclosure of revenue from contracts with customers [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfRevenueFromContractsWithCustomersLineItems" xlink:to="lab_kt_DisclosureOfRevenueFromContractsWithCustomersLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfRevenueFromContractsWithCustomersLineItems" xml:lang="en-US">Disclosure of revenue from contracts with customers [line items]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfContractsAxis" xlink:label="loc_ifrs-full_TypesOfContractsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TypesOfContractsAxis" xml:lang="en-US">Types of contracts [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TypesOfContractsAxis" xml:lang="en-US">Types of contracts [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfContractsAxis" xlink:to="lab_ifrs-full_TypesOfContractsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfContractsDomain" xlink:label="loc_ifrs-full_TypesOfContractsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TypesOfContractsDomain" xml:lang="en-US">Types of contracts [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TypesOfContractsDomain" xml:lang="en-US">Types of contracts [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfContractsDomain" xlink:to="lab_ifrs-full_TypesOfContractsDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RevenueFromContractsWithCustomersMember" xlink:label="loc_kt_RevenueFromContractsWithCustomersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RevenueFromContractsWithCustomersMember" xml:lang="en-US">Revenue from contracts with customers [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RevenueFromContractsWithCustomersMember" xml:lang="en-US">Revenue from contracts with customers [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RevenueFromContractsWithCustomersMember" xlink:to="lab_kt_RevenueFromContractsWithCustomersMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RevenueFromContractsWithCustomersMember" xml:lang="en-US">Revenue from contracts with customers.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LongTermConstructionContractMember" xlink:label="loc_kt_LongTermConstructionContractMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LongTermConstructionContractMember" xml:lang="en-US">long term construction contract [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LongTermConstructionContractMember" xlink:to="lab_kt_LongTermConstructionContractMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersAxis" xlink:label="loc_ifrs-full_CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersAxis" xml:lang="en-US">Categories of assets recognised from costs to obtain or fulfil contracts with customers [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersAxis" xlink:to="lab_ifrs-full_CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersDomain" xlink:label="loc_ifrs-full_CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersDomain" xml:lang="en-US">Categories of assets recognised from costs to obtain or fulfil contracts with customers [domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersDomain" xlink:to="lab_ifrs-full_CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IncrementalCostOfContractEstablishmentMember" xlink:label="loc_kt_IncrementalCostOfContractEstablishmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IncrementalCostOfContractEstablishmentMember" xml:lang="en-US">Incremental Cost Of Contract Establishment [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_IncrementalCostOfContractEstablishmentMember" xml:lang="en-US">Incremental cost of contract establishment [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IncrementalCostOfContractEstablishmentMember" xlink:to="lab_kt_IncrementalCostOfContractEstablishmentMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CostOfContractPerformanceMember" xlink:label="loc_kt_CostOfContractPerformanceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CostOfContractPerformanceMember" xml:lang="en-US">Cost Of Contract Performance [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_CostOfContractPerformanceMember" xml:lang="en-US">Cost of Contract performance [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CostOfContractPerformanceMember" xlink:to="lab_kt_CostOfContractPerformanceMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" xlink:label="loc_ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" xml:lang="en-US">Assets recognised from costs to obtain or fulfil contracts with customers</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" xml:lang="en-US">Incremental cost of contract establishment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" xlink:to="lab_ifrs-full_AssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomers" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OperatingExpensesRelatedToContractCostAssets" xlink:label="loc_kt_OperatingExpensesRelatedToContractCostAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OperatingExpensesRelatedToContractCostAssets" xml:lang="en-US">Operating expenses related to contract cost assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OperatingExpensesRelatedToContractCostAssets" xml:lang="en-US">Operating expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OperatingExpensesRelatedToContractCostAssets" xlink:to="lab_kt_OperatingExpensesRelatedToContractCostAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OperatingExpensesRelatedToContractCostAssets" xml:lang="en-US">Operating expenses related to contract cost assets</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations" xlink:label="loc_ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations" xml:lang="en-US">Transaction price allocated to remaining performance obligations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations" xml:lang="en-US">Allocation of the transaction price</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations" xlink:to="lab_ifrs-full_TransactionPriceAllocatedToRemainingPerformanceObligations" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredRevenueRelatedToContractLiabilities" xlink:label="loc_kt_DeferredRevenueRelatedToContractLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredRevenueRelatedToContractLiabilities" xml:lang="en-US">Deferred revenue related to contract liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredRevenueRelatedToContractLiabilities" xml:lang="en-US">Deferred revenue of joining/installment fee</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredRevenueRelatedToContractLiabilities" xlink:to="lab_kt_DeferredRevenueRelatedToContractLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredRevenueRelatedToContractLiabilities" xml:lang="en-US">Deferred revenue related to contract liabilities.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RevenueRecognizedRelatedToContractLiabilities" xlink:label="loc_kt_RevenueRecognizedRelatedToContractLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RevenueRecognizedRelatedToContractLiabilities" xml:lang="en-US">Revenue recognized related to contract liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RevenueRecognizedRelatedToContractLiabilities" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RevenueRecognizedRelatedToContractLiabilities" xlink:to="lab_kt_RevenueRecognizedRelatedToContractLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RevenueRecognizedRelatedToContractLiabilities" xml:lang="en-US">Revenue recognized related to contract liabilities.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainOnDisposalOfRightOfUseAssets" xlink:label="loc_kt_GainOnDisposalOfRightOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainOnDisposalOfRightOfUseAssets" xml:lang="en-US">Gain On Disposal Of RightOfUse Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_GainOnDisposalOfRightOfUseAssets" xml:lang="en-US">Gain on disposal of right-of-use assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainOnDisposalOfRightOfUseAssets" xlink:to="lab_kt_GainOnDisposalOfRightOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainOnDisposalOfRightOfUseAssets" xml:lang="en-US">Gain on disposal of right-of-use assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CompensationFromThirdPartiesForItemsOfPropertyPlantAndEquipment" xlink:label="loc_ifrs-full_CompensationFromThirdPartiesForItemsOfPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CompensationFromThirdPartiesForItemsOfPropertyPlantAndEquipment" xml:lang="en-US">Compensation from third parties for items of property, plant and equipment that were impaired, lost or given up</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CompensationFromThirdPartiesForItemsOfPropertyPlantAndEquipment" xml:lang="en-US">Property and Equipment loss recovery income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CompensationFromThirdPartiesForItemsOfPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_CompensationFromThirdPartiesForItemsOfPropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainsOnGovernmentSubsidies" xlink:label="loc_kt_GainsOnGovernmentSubsidies" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainsOnGovernmentSubsidies" xml:lang="en-US">Gains On Government Subsidies</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainsOnGovernmentSubsidies" xml:lang="en-US">Gains on government subsidies</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainsOnGovernmentSubsidies" xlink:to="lab_kt_GainsOnGovernmentSubsidies" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainsOnGovernmentSubsidies" xml:lang="en-US">Gains on government subsidies.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnDisposalsOfInvestments" xlink:label="loc_ifrs-full_GainsLossesOnDisposalsOfInvestments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainsLossesOnDisposalsOfInvestments" xml:lang="en-US">Gains (losses) on disposals of investments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GainsLossesOnDisposalsOfInvestments" xml:lang="en-US">Gain on disposal of investments in subsidiaries</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnDisposalsOfInvestments" xlink:to="lab_ifrs-full_GainsLossesOnDisposalsOfInvestments" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MiscellaneousOtherOperatingIncome" xlink:label="loc_ifrs-full_MiscellaneousOtherOperatingIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MiscellaneousOtherOperatingIncome" xml:lang="en-US">Miscellaneous other operating income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MiscellaneousOtherOperatingIncome" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousOtherOperatingIncome" xlink:to="lab_ifrs-full_MiscellaneousOtherOperatingIncome" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainsLossesOnDisposalOfPropertyPlantAndEquipmentAndInvestmentProperties" xlink:label="loc_kt_GainsLossesOnDisposalOfPropertyPlantAndEquipmentAndInvestmentProperties" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainsLossesOnDisposalOfPropertyPlantAndEquipmentAndInvestmentProperties" xml:lang="en-US">Gains Losses On Disposal Of Property Plant And Equipment And Investment Properties</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainsLossesOnDisposalOfPropertyPlantAndEquipmentAndInvestmentProperties" xml:lang="en-US">Gain on disposal of property and equipment and investment properties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainsLossesOnDisposalOfPropertyPlantAndEquipmentAndInvestmentProperties" xlink:to="lab_kt_GainsLossesOnDisposalOfPropertyPlantAndEquipmentAndInvestmentProperties" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainsLossesOnDisposalOfPropertyPlantAndEquipmentAndInvestmentProperties" xml:lang="en-US">Gains losses on disposal of property plant and equipment and investment properties.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainLossesOnDisposalOfIntangibleAssetsOtherThanGoodwill" xlink:label="loc_kt_GainLossesOnDisposalOfIntangibleAssetsOtherThanGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainLossesOnDisposalOfIntangibleAssetsOtherThanGoodwill" xml:lang="en-US">Gain Losses On Disposal Of Intangible Assets Other Than Goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainLossesOnDisposalOfIntangibleAssetsOtherThanGoodwill" xml:lang="en-US">Gain on disposal of intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainLossesOnDisposalOfIntangibleAssetsOtherThanGoodwill" xlink:to="lab_kt_GainLossesOnDisposalOfIntangibleAssetsOtherThanGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainLossesOnDisposalOfIntangibleAssetsOtherThanGoodwill" xml:lang="en-US">Gain losses on disposal of intangible assets other than goodwill.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainsLossesOnDisposalsOfInvestmentsInAssociates" xlink:label="loc_kt_GainsLossesOnDisposalsOfInvestmentsInAssociates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainsLossesOnDisposalsOfInvestmentsInAssociates" xml:lang="en-US">Gains Losses On Disposals Of Investments In Associates</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainsLossesOnDisposalsOfInvestmentsInAssociates" xml:lang="en-US">Income from government subsidies</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainsLossesOnDisposalsOfInvestmentsInAssociates" xlink:to="lab_kt_GainsLossesOnDisposalsOfInvestmentsInAssociates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainsLossesOnDisposalsOfInvestmentsInAssociates" xml:lang="en-US">Gains losses on disposals of investments in associates.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAbstract" xlink:label="loc_ifrs-full_ProfitLossAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProfitLossAbstract" xml:lang="en-US">Profit (loss) [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAbstract" xlink:to="lab_ifrs-full_ProfitLossAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EmployeeBenefitsExpense" xlink:label="loc_ifrs-full_EmployeeBenefitsExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xml:lang="en-US">Employee benefits expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xml:lang="en-US">Employee benefit cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EmployeeBenefitsExpense" xlink:to="lab_ifrs-full_EmployeeBenefitsExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationExpense" xlink:label="loc_ifrs-full_DepreciationExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DepreciationExpense" xml:lang="en-US">Depreciation expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DepreciationExpense" xml:lang="en-US">Depreciation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationExpense" xlink:to="lab_ifrs-full_DepreciationExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AmortisationExpense" xlink:label="loc_ifrs-full_AmortisationExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AmortisationExpense" xml:lang="en-US">Amortisation expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AmortisationExpense" xml:lang="en-US">Amortization of intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmortisationExpense" xlink:to="lab_ifrs-full_AmortisationExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FeeAndCommissionExpense" xlink:label="loc_ifrs-full_FeeAndCommissionExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FeeAndCommissionExpense" xml:lang="en-US">Fee and commission expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FeeAndCommissionExpense" xml:lang="en-US">Commissions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FeeAndCommissionExpense" xlink:to="lab_ifrs-full_FeeAndCommissionExpense" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InterconnectionCharges" xlink:label="loc_kt_InterconnectionCharges" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InterconnectionCharges" xml:lang="en-US">Interconnection charges</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_InterconnectionCharges" xml:lang="en-US">Interconnection charges</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InterconnectionCharges" xlink:to="lab_kt_InterconnectionCharges" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InterconnectionCharges" xml:lang="en-US">Interconnection charges.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InternationalInterconnectionFee" xlink:label="loc_kt_InternationalInterconnectionFee" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InternationalInterconnectionFee" xml:lang="en-US">International interconnection fee</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_InternationalInterconnectionFee" xml:lang="en-US">International interconnection fee</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InternationalInterconnectionFee" xlink:to="lab_kt_InternationalInterconnectionFee" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InternationalInterconnectionFee" xml:lang="en-US">International interconnection fee.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PurchaseOfInventories" xlink:label="loc_kt_PurchaseOfInventories" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PurchaseOfInventories" xml:lang="en-US">Purchase of inventories</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PurchaseOfInventories" xml:lang="en-US">Purchase of inventories</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PurchaseOfInventories" xlink:to="lab_kt_PurchaseOfInventories" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PurchaseOfInventories" xml:lang="en-US">Purchase of inventories.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ChangesOfInventories" xlink:label="loc_kt_ChangesOfInventories" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ChangesOfInventories" xml:lang="en-US">Changes of inventories</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ChangesOfInventories" xml:lang="en-US">Changes of inventories</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ChangesOfInventories" xlink:to="lab_kt_ChangesOfInventories" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ChangesOfInventories" xml:lang="en-US">Changes of inventories.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SalesCommission" xlink:label="loc_kt_SalesCommission" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SalesCommission" xml:lang="en-US">Sales commission</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_SalesCommission" xml:lang="en-US">Sales commission</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SalesCommission" xlink:to="lab_kt_SalesCommission" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SalesCommission" xml:lang="en-US">Sales commission.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ServicesExpense" xlink:label="loc_ifrs-full_ServicesExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ServicesExpense" xml:lang="en-US">Services expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ServicesExpense" xml:lang="en-US">Service cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ServicesExpense" xlink:to="lab_ifrs-full_ServicesExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UtilitiesExpense" xlink:label="loc_ifrs-full_UtilitiesExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_UtilitiesExpense" xml:lang="en-US">Utilities expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_UtilitiesExpense" xml:lang="en-US">Utilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UtilitiesExpense" xlink:to="lab_ifrs-full_UtilitiesExpense" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxesAndDues" xlink:label="loc_kt_TaxesAndDues" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxesAndDues" xml:lang="en-US">Taxes and Dues</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TaxesAndDues" xml:lang="en-US">Taxes and dues</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxesAndDues" xlink:to="lab_kt_TaxesAndDues" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxesAndDues" xml:lang="en-US">Taxes and dues.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RentalExpense" xlink:label="loc_ifrs-full_RentalExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RentalExpense" xml:lang="en-US">Rental expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RentalExpense" xml:lang="en-US">Rent</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RentalExpense" xlink:to="lab_ifrs-full_RentalExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InsuranceExpense" xlink:label="loc_ifrs-full_InsuranceExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InsuranceExpense" xml:lang="en-US">Insurance expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_InsuranceExpense" xml:lang="en-US">Insurance premium</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InsuranceExpense" xlink:to="lab_ifrs-full_InsuranceExpense" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InstallationFee" xlink:label="loc_kt_InstallationFee" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InstallationFee" xml:lang="en-US">Installation fee</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_InstallationFee" xml:lang="en-US">Installation fee</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InstallationFee" xlink:to="lab_kt_InstallationFee" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InstallationFee" xml:lang="en-US">Installation fee.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdvertisingExpense1" xlink:label="loc_kt_AdvertisingExpense1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdvertisingExpense1" xml:lang="en-US">Advertising expense1</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdvertisingExpense1" xml:lang="en-US">Advertising expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdvertisingExpense1" xlink:to="lab_kt_AdvertisingExpense1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdvertisingExpense1" xml:lang="en-US">Advertising expense1.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CardServiceCost" xlink:label="loc_kt_CardServiceCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CardServiceCost" xml:lang="en-US">Card service cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_CardServiceCost" xml:lang="en-US">Card service cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CardServiceCost" xlink:to="lab_kt_CardServiceCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CardServiceCost" xml:lang="en-US">Card service cost.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MiscellaneousOtherOperatingExpense" xlink:label="loc_ifrs-full_MiscellaneousOtherOperatingExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MiscellaneousOtherOperatingExpense" xml:lang="en-US">Miscellaneous other operating expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MiscellaneousOtherOperatingExpense" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousOtherOperatingExpense" xlink:to="lab_ifrs-full_MiscellaneousOtherOperatingExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LossesOnDisposalsOfPropertyPlantAndEquipment" xlink:label="loc_ifrs-full_LossesOnDisposalsOfPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LossesOnDisposalsOfPropertyPlantAndEquipment" xml:lang="en-US">Losses on disposals of property, plant and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LossesOnDisposalsOfPropertyPlantAndEquipment" xml:lang="en-US">Loss on disposal of property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LossesOnDisposalsOfPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_LossesOnDisposalsOfPropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LossOnDisposalOfIntangibleAssets" xlink:label="loc_kt_LossOnDisposalOfIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LossOnDisposalOfIntangibleAssets" xml:lang="en-US">Loss On Disposal Of Intangible Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LossOnDisposalOfIntangibleAssets" xml:lang="en-US">Loss on disposal of intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LossOnDisposalOfIntangibleAssets" xlink:to="lab_kt_LossOnDisposalOfIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LossOnDisposalOfIntangibleAssets" xml:lang="en-US">Loss on disposal of intangible assets.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LossOnDisposalOfRightOfUseAssets" xlink:label="loc_kt_LossOnDisposalOfRightOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LossOnDisposalOfRightOfUseAssets" xml:lang="en-US">Loss On Disposal Of Right Of Use Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LossOnDisposalOfRightOfUseAssets" xml:lang="en-US">Loss on disposal of right-of-use assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LossOnDisposalOfRightOfUseAssets" xlink:to="lab_kt_LossOnDisposalOfRightOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LossOnDisposalOfRightOfUseAssets" xml:lang="en-US">Loss on disposal of right of use assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xml:lang="en-US">Impairment loss recognised in profit or loss, property, plant and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xml:lang="en-US">Impairment loss on property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ImpairmentLossOnIntangibleAssetsWithSubsequentGain" xlink:label="loc_kt_ImpairmentLossOnIntangibleAssetsWithSubsequentGain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ImpairmentLossOnIntangibleAssetsWithSubsequentGain" xml:lang="en-US">Impairment loss on intangible assets with subsequent gain</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_kt_ImpairmentLossOnIntangibleAssetsWithSubsequentGain" xml:lang="en-US">Impairment loss on intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ImpairmentLossOnIntangibleAssetsWithSubsequentGain" xlink:to="lab_kt_ImpairmentLossOnIntangibleAssetsWithSubsequentGain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ImpairmentLossOnIntangibleAssetsWithSubsequentGain" xml:lang="en-US">Impairment loss on intangible assets with subsequent gain.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DonationsAndSubsidiesExpense" xlink:label="loc_ifrs-full_DonationsAndSubsidiesExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DonationsAndSubsidiesExpense" xml:lang="en-US">Donations and subsidies expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DonationsAndSubsidiesExpense" xml:lang="en-US">Donations</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DonationsAndSubsidiesExpense" xlink:to="lab_ifrs-full_DonationsAndSubsidiesExpense" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherAllowanceForBadDebts" xlink:label="loc_kt_OtherAllowanceForBadDebts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherAllowanceForBadDebts" xml:lang="en-US">Other Allowance For Bad Debts</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherAllowanceForBadDebts" xml:lang="en-US">Other allowance for bad debts</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherAllowanceForBadDebts" xlink:to="lab_kt_OtherAllowanceForBadDebts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherAllowanceForBadDebts" xml:lang="en-US">Other allowance for bad debts.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LossesOnDisposalsOfInvestments" xlink:label="loc_ifrs-full_LossesOnDisposalsOfInvestments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LossesOnDisposalsOfInvestments" xml:lang="en-US">Losses on disposals of investments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_LossesOnDisposalsOfInvestments" xml:lang="en-US">Loss on disposal of investments in associates</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LossesOnDisposalsOfInvestments" xlink:to="lab_ifrs-full_LossesOnDisposalsOfInvestments" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AllowanceForBadDebts" xlink:label="loc_kt_AllowanceForBadDebts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AllowanceForBadDebts" xml:lang="en-US">Allowance For Bad Debts</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AllowanceForBadDebts" xml:lang="en-US">Allowance for bad debts</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AllowanceForBadDebts" xlink:to="lab_kt_AllowanceForBadDebts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AllowanceForBadDebts" xml:lang="en-US">Allowance for bad debts.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LossesOnDisposalsOfInvestments1" xlink:label="loc_kt_LossesOnDisposalsOfInvestments1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LossesOnDisposalsOfInvestments1" xml:lang="en-US">Losses On Disposals Of Investments1</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LossesOnDisposalsOfInvestments1" xlink:to="lab_kt_LossesOnDisposalsOfInvestments1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LossesOnDisposalsOfInvestments1" xml:lang="en-US">Losses on disposals of investments.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShorttermEmployeeBenefitsExpense" xlink:label="loc_ifrs-full_ShorttermEmployeeBenefitsExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ShorttermEmployeeBenefitsExpense" xml:lang="en-US">Short-term employee benefits expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_ShorttermEmployeeBenefitsExpense" xml:lang="en-US">Salaries &amp; Wages</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShorttermEmployeeBenefitsExpense" xlink:to="lab_ifrs-full_ShorttermEmployeeBenefitsExpense" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PostemploymentBenefitExpenseShareBasedPayment" xlink:label="loc_kt_PostemploymentBenefitExpenseShareBasedPayment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PostemploymentBenefitExpenseShareBasedPayment" xml:lang="en-US">Post employment benefit expense share based payment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PostemploymentBenefitExpenseShareBasedPayment" xml:lang="en-US">Share-based payment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PostemploymentBenefitExpenseShareBasedPayment" xlink:to="lab_kt_PostemploymentBenefitExpenseShareBasedPayment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PostemploymentBenefitExpenseShareBasedPayment" xml:lang="en-US">Post employment benefit expense share based payment.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherEmployeeExpense" xlink:label="loc_ifrs-full_OtherEmployeeExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherEmployeeExpense" xml:lang="en-US">Other employee expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherEmployeeExpense" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherEmployeeExpense" xlink:to="lab_ifrs-full_OtherEmployeeExpense" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfFinanceIncomeTable" xlink:label="loc_kt_DisclosureOfFinanceIncomeTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfFinanceIncomeTable" xml:lang="en-US">Disclosure Of Finance Income [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfFinanceIncomeTable" xml:lang="en-US">Disclosure Of Finance Income [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfFinanceIncomeTable" xlink:to="lab_kt_DisclosureOfFinanceIncomeTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfFinanceIncomeTable" xml:lang="en-US">Disclosure Of Finance Income [table].</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfFinanceIncomeLineItems" xlink:label="loc_kt_DisclosureOfFinanceIncomeLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfFinanceIncomeLineItems" xml:lang="en-US">Disclosure Of Finance Income [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisclosureOfFinanceIncomeLineItems" xml:lang="en-US">Disclosure Of Finance Income [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfFinanceIncomeLineItems" xlink:to="lab_kt_DisclosureOfFinanceIncomeLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfFinanceIncomeLineItems" xml:lang="en-US">Disclosure Of Finance Income [line items].</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainOnForeignCurrencyTranslation" xlink:label="loc_kt_GainOnForeignCurrencyTranslation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainOnForeignCurrencyTranslation" xml:lang="en-US">Gain on foreign currency translation.</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainOnForeignCurrencyTranslation" xml:lang="en-US">Gain on foreign currency translation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainOnForeignCurrencyTranslation" xlink:to="lab_kt_GainOnForeignCurrencyTranslation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainOnForeignCurrencyTranslation" xml:lang="en-US">Gain on foreign currency translation.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainOnSettlementOfDerivatives" xlink:label="loc_kt_GainOnSettlementOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainOnSettlementOfDerivatives" xml:lang="en-US">Gain On Settlement Of Derivatives</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainOnSettlementOfDerivatives" xml:lang="en-US">Gain on derivative transactions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainOnSettlementOfDerivatives" xlink:to="lab_kt_GainOnSettlementOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainOnSettlementOfDerivatives" xml:lang="en-US">Gain on settlement of derivatives.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:label="loc_ifrs-full_GainsOnChangeInFairValueOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainsOnChangeInFairValueOfDerivatives" xml:lang="en-US">Gains on change in fair value of derivatives</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GainsOnChangeInFairValueOfDerivatives" xml:lang="en-US">Gain on valuation of derivatives</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsOnChangeInFairValueOfDerivatives" xlink:to="lab_ifrs-full_GainsOnChangeInFairValueOfDerivatives" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherFinanceIncome" xlink:label="loc_ifrs-full_OtherFinanceIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherFinanceIncome" xml:lang="en-US">Other finance income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherFinanceIncome" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFinanceIncome" xlink:to="lab_ifrs-full_OtherFinanceIncome" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainOnValuationOfFinancialInstruments" xlink:label="loc_kt_GainOnValuationOfFinancialInstruments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainOnValuationOfFinancialInstruments" xml:lang="en-US">Gain On Valuation Of Financial Instruments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainOnValuationOfFinancialInstruments" xml:lang="en-US">Gain on valuation of financial instruments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainOnValuationOfFinancialInstruments" xlink:to="lab_kt_GainOnValuationOfFinancialInstruments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainOnValuationOfFinancialInstruments" xml:lang="en-US">Gain on valuation of financial instruments.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainOnDisposalOfTradeReceivables" xlink:label="loc_kt_GainOnDisposalOfTradeReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainOnDisposalOfTradeReceivables" xml:lang="en-US">Gain on disposal of trade receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainOnDisposalOfTradeReceivables" xml:lang="en-US">Gain on disposal of trade receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainOnDisposalOfTradeReceivables" xlink:to="lab_kt_GainOnDisposalOfTradeReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainOnDisposalOfTradeReceivables" xml:lang="en-US">Gain on disposal of trade receivables.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetForeignExchangeLoss" xlink:label="loc_ifrs-full_NetForeignExchangeLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NetForeignExchangeLoss" xml:lang="en-US">Net foreign exchange loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NetForeignExchangeLoss" xml:lang="en-US">Loss on foreign currency transactions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetForeignExchangeLoss" xlink:to="lab_ifrs-full_NetForeignExchangeLoss" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LossOnForeignCurrencyTranslations" xlink:label="loc_kt_LossOnForeignCurrencyTranslations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LossOnForeignCurrencyTranslations" xml:lang="en-US">Loss on foreign currency translations</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LossOnForeignCurrencyTranslations" xml:lang="en-US">Loss on foreign currency translation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LossOnForeignCurrencyTranslations" xlink:to="lab_kt_LossOnForeignCurrencyTranslations" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LossOnForeignCurrencyTranslations" xml:lang="en-US">Loss on foreign currency translations.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LossOnSettlementOfDerivatives" xlink:label="loc_kt_LossOnSettlementOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LossOnSettlementOfDerivatives" xml:lang="en-US">Loss on settlement of derivatives</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LossOnSettlementOfDerivatives" xml:lang="en-US">Loss on derivative transactions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LossOnSettlementOfDerivatives" xlink:to="lab_kt_LossOnSettlementOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LossOnSettlementOfDerivatives" xml:lang="en-US">Loss on settlement of derivatives.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:label="loc_ifrs-full_LossesOnChangeInFairValueOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xml:lang="en-US">Losses on change in fair value of derivatives</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xml:lang="en-US">Loss on valuation of derivatives</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LossesOnChangeInFairValueOfDerivatives" xlink:to="lab_ifrs-full_LossesOnChangeInFairValueOfDerivatives" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LossesOnDisposalsOfNoncurrentAssets" xlink:label="loc_ifrs-full_LossesOnDisposalsOfNoncurrentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LossesOnDisposalsOfNoncurrentAssets" xml:lang="en-US">Losses on disposals of non-current assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_LossesOnDisposalsOfNoncurrentAssets" xml:lang="en-US">Loss on disposal of trade receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LossesOnDisposalsOfNoncurrentAssets" xlink:to="lab_ifrs-full_LossesOnDisposalsOfNoncurrentAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherFinanceCost" xlink:label="loc_ifrs-full_OtherFinanceCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherFinanceCost" xml:lang="en-US">Other finance cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherFinanceCost" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFinanceCost" xlink:to="lab_ifrs-full_OtherFinanceCost" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LossOnValuationOfFinancialInstruments" xlink:label="loc_kt_LossOnValuationOfFinancialInstruments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LossOnValuationOfFinancialInstruments" xml:lang="en-US">Loss On Valuation Of Financial Instruments</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LossOnValuationOfFinancialInstruments" xml:lang="en-US">Loss on valuation of financial instruments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LossOnValuationOfFinancialInstruments" xlink:to="lab_kt_LossOnValuationOfFinancialInstruments" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LossOnValuationOfFinancialInstruments" xml:lang="en-US">Loss on valuation of financial instruments.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:label="loc_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xml:lang="en-US">Deferred tax assets and liabilities [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="lab_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetDeferredTaxAssets" xlink:label="loc_ifrs-full_NetDeferredTaxAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NetDeferredTaxAssets" xml:lang="en-US">Net deferred tax assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDeferredTaxAssets" xlink:to="lab_ifrs-full_NetDeferredTaxAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetDeferredTaxLiabilities" xlink:label="loc_ifrs-full_NetDeferredTaxLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NetDeferredTaxLiabilities" xml:lang="en-US">Net deferred tax liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDeferredTaxLiabilities" xlink:to="lab_ifrs-full_NetDeferredTaxLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxLiabilityAsset" xlink:label="loc_ifrs-full_DeferredTaxLiabilityAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xml:lang="en-US">Deferred tax liability (asset)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xml:lang="en-US">Beginning</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_DeferredTaxLiabilityAsset" xml:lang="en-US">Ending</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxLiabilityAsset" xlink:to="lab_ifrs-full_DeferredTaxLiabilityAsset" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xml:lang="en-US">Deferred tax expense (income) recognised in profit or loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xml:lang="en-US">Statements of profit or loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xml:lang="en-US">Impact of change in deferred taxes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxExpenseIncomeRecognisedInOtherComprehensiveIncome" xlink:label="loc_kt_DeferredTaxExpenseIncomeRecognisedInOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxExpenseIncomeRecognisedInOtherComprehensiveIncome" xml:lang="en-US">Deferred Tax Expense Income Recognised in Other Comprehensive Income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxExpenseIncomeRecognisedInOtherComprehensiveIncome" xml:lang="en-US">Other comprehensive income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxExpenseIncomeRecognisedInOtherComprehensiveIncome" xlink:to="lab_kt_DeferredTaxExpenseIncomeRecognisedInOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxExpenseIncomeRecognisedInOtherComprehensiveIncome" xml:lang="en-US">The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in other comprehensive income.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:to="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:label="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xml:lang="en-US">Temporary difference, unused tax losses and unused tax credits [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:to="lab_ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxLiabilitiesInvestmentInSubsidiariesAssociatesAndJointVenturesMember" xlink:label="loc_kt_DeferredTaxLiabilitiesInvestmentInSubsidiariesAssociatesAndJointVenturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxLiabilitiesInvestmentInSubsidiariesAssociatesAndJointVenturesMember" xml:lang="en-US">Deferred tax liabilities investment in subsidiaries associates and joint ventures [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxLiabilitiesInvestmentInSubsidiariesAssociatesAndJointVenturesMember" xml:lang="en-US">Deferred tax liabilities investment in subsidiaries associates and joint ventures [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxLiabilitiesInvestmentInSubsidiariesAssociatesAndJointVenturesMember" xlink:to="lab_kt_DeferredTaxLiabilitiesInvestmentInSubsidiariesAssociatesAndJointVenturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxLiabilitiesInvestmentInSubsidiariesAssociatesAndJointVenturesMember" xml:lang="en-US">Deferred tax liabilities investment in subsidiaries associates and joint ventures.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxLiabilitiesAdvancedDepreciationProvisionMember" xlink:label="loc_kt_DeferredTaxLiabilitiesAdvancedDepreciationProvisionMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxLiabilitiesAdvancedDepreciationProvisionMember" xml:lang="en-US">Deferred tax liabilities advanced depreciation provision [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxLiabilitiesAdvancedDepreciationProvisionMember" xml:lang="en-US">Deferred tax liabilities advanced depreciation provision [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxLiabilitiesAdvancedDepreciationProvisionMember" xlink:to="lab_kt_DeferredTaxLiabilitiesAdvancedDepreciationProvisionMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxLiabilitiesAdvancedDepreciationProvisionMember" xml:lang="en-US">Deferred tax liabilities advanced depreciation provision.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherDeferredTaxLiabilitiesMember" xlink:label="loc_kt_OtherDeferredTaxLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherDeferredTaxLiabilitiesMember" xml:lang="en-US">Other Deferred Tax Liabilities [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherDeferredTaxLiabilitiesMember" xml:lang="en-US">Other deferred tax liabilities [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherDeferredTaxLiabilitiesMember" xlink:to="lab_kt_OtherDeferredTaxLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherDeferredTaxLiabilitiesMember" xml:lang="en-US">Other Deferred Tax Liabilities [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxAssetsProvisionsMember" xlink:label="loc_kt_DeferredTaxAssetsProvisionsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxAssetsProvisionsMember" xml:lang="en-US">Deferred Tax Assets Provisions [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxAssetsProvisionsMember" xml:lang="en-US">Deferred tax assets provisions [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxAssetsProvisionsMember" xlink:to="lab_kt_DeferredTaxAssetsProvisionsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxAssetsProvisionsMember" xml:lang="en-US">Deferred Tax Assets Provisions Member.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherDeferredTaxAssetsMember" xlink:label="loc_kt_OtherDeferredTaxAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherDeferredTaxAssetsMember" xml:lang="en-US">Other Deferred Tax Assets [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherDeferredTaxAssetsMember" xml:lang="en-US">Other deferred tax assets [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherDeferredTaxAssetsMember" xlink:to="lab_kt_OtherDeferredTaxAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherDeferredTaxAssetsMember" xml:lang="en-US">Other deferred tax assets.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxAssetsMember" xlink:label="loc_kt_DeferredTaxAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxAssetsMember" xml:lang="en-US">Deferred Tax Assets [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxAssetsMember" xml:lang="en-US">Deferred tax assets [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxAssetsMember" xlink:to="lab_kt_DeferredTaxAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxAssetsMember" xml:lang="en-US">Deferred Tax Assets [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxAssetsDefinedBenefitLiabilitiesMember" xlink:label="loc_kt_DeferredTaxAssetsDefinedBenefitLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxAssetsDefinedBenefitLiabilitiesMember" xml:lang="en-US">Deferred tax assets defined benefit liabilities [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxAssetsDefinedBenefitLiabilitiesMember" xml:lang="en-US">Deferred tax assets defined benefit liabilities [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxAssetsDefinedBenefitLiabilitiesMember" xlink:to="lab_kt_DeferredTaxAssetsDefinedBenefitLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxAssetsDefinedBenefitLiabilitiesMember" xml:lang="en-US">Deferred tax assets defined benefit liabilities.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxAssetsTaxCreditCarryforwardsMember" xlink:label="loc_kt_DeferredTaxAssetsTaxCreditCarryforwardsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxAssetsTaxCreditCarryforwardsMember" xml:lang="en-US">Deferred tax assets tax credit carry forwards [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxAssetsTaxCreditCarryforwardsMember" xml:lang="en-US">Deferred tax assets tax credit carry forwards [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxAssetsTaxCreditCarryforwardsMember" xlink:to="lab_kt_DeferredTaxAssetsTaxCreditCarryforwardsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxAssetsTaxCreditCarryforwardsMember" xml:lang="en-US">Deferred tax assets tax credit carry forwards.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxLiabilitiesContractAssetsMember" xlink:label="loc_kt_DeferredTaxLiabilitiesContractAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxLiabilitiesContractAssetsMember" xml:lang="en-US">Deferred Tax Liabilities Contract Assets [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxLiabilitiesContractAssetsMember" xml:lang="en-US">Deferred tax liabilities contract assets [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxLiabilitiesContractAssetsMember" xlink:to="lab_kt_DeferredTaxLiabilitiesContractAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxLiabilitiesContractAssetsMember" xml:lang="en-US">Deferred tax liabilities contract assets.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughProfitOrLossMember" xlink:label="loc_kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughProfitOrLossMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughProfitOrLossMember" xml:lang="en-US">Deferred tax liabilities Financial assets at fair value through profit or loss[member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughProfitOrLossMember" xml:lang="en-US">Deferred tax liabilities financial assets at fair value through profit or loss [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughProfitOrLossMember" xlink:to="lab_kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughProfitOrLossMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughProfitOrLossMember" xml:lang="en-US">Deferred tax liabilities Financial assets at fair value through profit or loss.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xlink:label="loc_kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Deferred tax liabilities Financial assets at fair value through other comprehensive income [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Deferred tax liabilities Financial assets at fair value through other comprehensive income [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="lab_kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxLiabilitiesFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Deferred tax liabilities financial assets at fair value through other comprehensive income.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TemporaryDifferenceMember" xlink:label="loc_ifrs-full_TemporaryDifferenceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TemporaryDifferenceMember" xml:lang="en-US">Temporary differences [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TemporaryDifferenceMember" xml:lang="en-US">Temporary differences [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TemporaryDifferenceMember" xlink:to="lab_ifrs-full_TemporaryDifferenceMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxLiabilitiesMember" xlink:label="loc_kt_DeferredTaxLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxLiabilitiesMember" xml:lang="en-US">Deferred Tax Liabilities [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxLiabilitiesMember" xml:lang="en-US">Deferred tax liabilities [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxLiabilitiesMember" xlink:to="lab_kt_DeferredTaxLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxLiabilitiesMember" xml:lang="en-US">Deferred Tax Liabilities [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxLiabilitiesDepreciationAndImpairmentLossMember" xlink:label="loc_kt_DeferredTaxLiabilitiesDepreciationAndImpairmentLossMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxLiabilitiesDepreciationAndImpairmentLossMember" xml:lang="en-US">Deferred Tax Liabilities Depreciation And Impairment Loss [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxLiabilitiesDepreciationAndImpairmentLossMember" xml:lang="en-US">Deferred tax liabilities depreciation and impairment loss [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxLiabilitiesDepreciationAndImpairmentLossMember" xlink:to="lab_kt_DeferredTaxLiabilitiesDepreciationAndImpairmentLossMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxLiabilitiesDepreciationAndImpairmentLossMember" xml:lang="en-US">Deferred Tax Liabilities Depreciation And Impairment Loss.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxLiabilitiesPlanAssetsMember" xlink:label="loc_kt_DeferredTaxLiabilitiesPlanAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxLiabilitiesPlanAssetsMember" xml:lang="en-US">Deferred Tax Liabilities Plan Assets [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxLiabilitiesPlanAssetsMember" xml:lang="en-US">Deferred tax liabilities plan assets [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxLiabilitiesPlanAssetsMember" xlink:to="lab_kt_DeferredTaxLiabilitiesPlanAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxLiabilitiesPlanAssetsMember" xml:lang="en-US">Deferred Tax Liabilities Plan Assets.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxAssetsDepreciationAndImpairmentLossMember" xlink:label="loc_kt_DeferredTaxAssetsDepreciationAndImpairmentLossMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxAssetsDepreciationAndImpairmentLossMember" xml:lang="en-US">Deferred Tax Assets Depreciation And Impairment Loss [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxAssetsDepreciationAndImpairmentLossMember" xml:lang="en-US">Deferred tax assets depreciation and impairment loss [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxAssetsDepreciationAndImpairmentLossMember" xlink:to="lab_kt_DeferredTaxAssetsDepreciationAndImpairmentLossMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxAssetsDepreciationAndImpairmentLossMember" xml:lang="en-US">Deferred Tax Assets Depreciation And Impairment Loss.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DeferredTaxAssetsContractLiabilitiesMember" xlink:label="loc_kt_DeferredTaxAssetsContractLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DeferredTaxAssetsContractLiabilitiesMember" xml:lang="en-US">Deferred Tax Assets Contract Liabilities [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DeferredTaxAssetsContractLiabilitiesMember" xml:lang="en-US">Deferred tax assets contract liabilities [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DeferredTaxAssetsContractLiabilitiesMember" xlink:to="lab_kt_DeferredTaxAssetsContractLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DeferredTaxAssetsContractLiabilitiesMember" xml:lang="en-US">Deferred Tax Assets Contract Liabilities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax" xlink:label="loc_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax" xml:lang="en-US">Gains (losses) on financial assets measured at fair value through other comprehensive income, before tax</label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges" xml:lang="en-US">Other comprehensive income, before tax, cash flow hedges</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges" xml:lang="en-US">Gain (loss) on valuation of hedge instruments (loss) liabilities, Before recognition</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xml:lang="en-US">Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xml:lang="en-US">Remeasurements of net defined benefit liabilities, Before recognition</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xlink:label="loc_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xml:lang="en-US">Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, before tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xml:lang="en-US">Share of Gain (loss) of associates and joint ventures, and others, Before recognition</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax" xlink:to="lab_ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xml:lang="en-US">Other comprehensive income, before tax, exchange differences on translation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslation" xml:lang="en-US">Exchange differences on translation for foreign operations, Before recognition</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTax" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTax" xml:lang="en-US">Other comprehensive income, before tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTax" xml:lang="en-US">Total, Before recognition</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeBeforeTax" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeBeforeTax" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="loc_ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Income tax relating to financial assets measured at fair value through other comprehensive income included in other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xml:lang="en-US">Gain (loss) on valuation of financial assets at fair value through other comprehensive income, Tax effect</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ifrs-full_IncomeTaxRelatingToFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:label="loc_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xml:lang="en-US">Income tax relating to cash flow hedges included in other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xml:lang="en-US">Gain (loss) on valuation of hedge instruments (loss) liabilities, Tax effect</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:to="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome" xlink:label="loc_ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome" xml:lang="en-US">Income tax relating to remeasurements of defined benefit plans included in other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome" xml:lang="en-US">Remeasurements of net defined benefit liabilities, Tax effect</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome" xlink:to="lab_ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLoss" xlink:label="loc_ifrs-full_IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLoss" xml:lang="en-US">Income tax relating to share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLoss" xml:lang="en-US">Share of Gain (loss) of associates and joint ventures, and others, Tax effect</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLoss" xlink:to="lab_ifrs-full_IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLoss" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome" xlink:label="loc_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome" xml:lang="en-US">Income tax relating to exchange differences on translation included in other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome" xml:lang="en-US">Exchange differences on translation for foreign operations, Tax effect</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome" xlink:to="lab_ifrs-full_IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:label="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xml:lang="en-US">Income tax relating to components of other comprehensive income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xml:lang="en-US">Total, Tax effect</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:to="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xlink:label="loc_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xml:lang="en-US">Gains (losses) on financial assets at fair value through profit or loss, designated upon initial recognition or subsequently</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xml:lang="en-US">Gain (loss) on valuation of financial assets at fair value through other comprehensive income, After recognition</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" xlink:to="lab_ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ShareOfProfitLossAndOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:label="loc_kt_ShareOfProfitLossAndOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ShareOfProfitLossAndOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xml:lang="en-US">Share Of Profit Loss And Other Comprehensive Income Of Associates And Joint Ventures Accounted For Using Equity Method</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ShareOfProfitLossAndOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xml:lang="en-US">Share of Gain (loss) of associates and joint ventures, and others, After recognition</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ShareOfProfitLossAndOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:to="lab_kt_ShareOfProfitLossAndOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ShareOfProfitLossAndOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xml:lang="en-US">Share of profit loss and other comprehensive income of associates and joint ventures accounted for using equity method.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherComprehensiveIncomeNetOfTax" xlink:label="loc_kt_OtherComprehensiveIncomeNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherComprehensiveIncomeNetOfTax" xml:lang="en-US">Other Comprehensive Income Net Of Tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_kt_OtherComprehensiveIncomeNetOfTax" xml:lang="en-US">Total other comprehensive income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherComprehensiveIncomeNetOfTax" xlink:to="lab_kt_OtherComprehensiveIncomeNetOfTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherComprehensiveIncomeNetOfTax" xml:lang="en-US">Other comprehensive income net of tax.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherComprehensiveIncomeBeforeTaxGainsLossesOnDisposalOfTreasuryStock" xlink:label="loc_kt_OtherComprehensiveIncomeBeforeTaxGainsLossesOnDisposalOfTreasuryStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherComprehensiveIncomeBeforeTaxGainsLossesOnDisposalOfTreasuryStock" xml:lang="en-US">Other Comprehensive Income Before Tax Gains losses On Disposal Of Treasury Stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherComprehensiveIncomeBeforeTaxGainsLossesOnDisposalOfTreasuryStock" xml:lang="en-US">Gain or loss on disposal of treasury stock, Before recognition</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherComprehensiveIncomeBeforeTaxGainsLossesOnDisposalOfTreasuryStock" xlink:to="lab_kt_OtherComprehensiveIncomeBeforeTaxGainsLossesOnDisposalOfTreasuryStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherComprehensiveIncomeBeforeTaxGainsLossesOnDisposalOfTreasuryStock" xml:lang="en-US">Other Comprehensive Income Before Tax Gains losses On Disposal Of Treasury Stock.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IncomeTaxRelatingToDisposalOfTreasuryStockIncludedInOtherComprehensiveIncome" xlink:label="loc_kt_IncomeTaxRelatingToDisposalOfTreasuryStockIncludedInOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IncomeTaxRelatingToDisposalOfTreasuryStockIncludedInOtherComprehensiveIncome" xml:lang="en-US">Income Tax Relating To Disposal Of Treasury Stock Included In Other Comprehensive Income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_IncomeTaxRelatingToDisposalOfTreasuryStockIncludedInOtherComprehensiveIncome" xml:lang="en-US">Gain or loss on disposal of treasury stock, Tax effect</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IncomeTaxRelatingToDisposalOfTreasuryStockIncludedInOtherComprehensiveIncome" xlink:to="lab_kt_IncomeTaxRelatingToDisposalOfTreasuryStockIncludedInOtherComprehensiveIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IncomeTaxRelatingToDisposalOfTreasuryStockIncludedInOtherComprehensiveIncome" xml:lang="en-US">Income Tax Relating To Disposal Of Treasury Stock Included In Other Comprehensive Income.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherComprehensiveIncomeNetOfTaxGainsLossesOnDisposalOfTreasuryStock" xlink:label="loc_kt_OtherComprehensiveIncomeNetOfTaxGainsLossesOnDisposalOfTreasuryStock" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherComprehensiveIncomeNetOfTaxGainsLossesOnDisposalOfTreasuryStock" xml:lang="en-US">Other Comprehensive Income Net Of Tax Gains losses On Disposal Of Treasury Stock</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherComprehensiveIncomeNetOfTaxGainsLossesOnDisposalOfTreasuryStock" xml:lang="en-US">Gain or loss on disposal of treasury stock, After recognition</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherComprehensiveIncomeNetOfTaxGainsLossesOnDisposalOfTreasuryStock" xlink:to="lab_kt_OtherComprehensiveIncomeNetOfTaxGainsLossesOnDisposalOfTreasuryStock" />
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxExpenseIncome" xlink:label="loc_ifrs-full_CurrentTaxExpenseIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xml:lang="en-US">Current tax expense (income)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xml:lang="en-US">Current income tax expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxExpenseIncome" xlink:to="lab_ifrs-full_CurrentTaxExpenseIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:label="loc_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xml:lang="en-US">Reconciliation of accounting profit multiplied by applicable tax rates [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xml:lang="en-US">Tax effect</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" xlink:to="lab_ifrs-full_ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011" xlink:label="loc_ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011" xml:lang="en-US">Tax effect of revenues exempt from taxation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011" xml:lang="en-US">Income not taxable for taxation purposes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011" xlink:to="lab_ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xlink:label="loc_ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xml:lang="en-US">Tax effect of expense not deductible in determining taxable profit (tax loss)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xml:lang="en-US">Non-deductible expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xlink:to="lab_ifrs-full_TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxEffectOfTaxCredit" xlink:label="loc_kt_TaxEffectOfTaxCredit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxEffectOfTaxCredit" xml:lang="en-US">Tax effect of tax credit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_TaxEffectOfTaxCredit" xml:lang="en-US">Tax credit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxEffectOfTaxCredit" xlink:to="lab_kt_TaxEffectOfTaxCredit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxEffectOfTaxCredit" xml:lang="en-US">Tax effect of tax credit.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxEffectOfAdditionalIncomeTaxPayment" xlink:label="loc_kt_TaxEffectOfAdditionalIncomeTaxPayment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxEffectOfAdditionalIncomeTaxPayment" xml:lang="en-US">Tax effect of additional income tax payment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_TaxEffectOfAdditionalIncomeTaxPayment" xml:lang="en-US">Additional payment of income taxes</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxEffectOfAdditionalIncomeTaxPayment" xlink:to="lab_kt_TaxEffectOfAdditionalIncomeTaxPayment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxEffectOfAdditionalIncomeTaxPayment" xml:lang="en-US">Tax effect of additional income tax payment.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsInDeferredTaxFromChangesInTaxRate" xlink:label="loc_kt_AdjustmentsInDeferredTaxFromChangesInTaxRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsInDeferredTaxFromChangesInTaxRate" xml:lang="en-US">Adjustments In Deferred Tax From Changes In Tax Rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_AdjustmentsInDeferredTaxFromChangesInTaxRate" xml:lang="en-US">Adjustments in deferred tax from changes in tax rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsInDeferredTaxFromChangesInTaxRate" xlink:to="lab_kt_AdjustmentsInDeferredTaxFromChangesInTaxRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsInDeferredTaxFromChangesInTaxRate" xml:lang="en-US">Adjustments in deferred tax from changes in tax rate.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxEffectAndAdjustmentOnConsolidationAbstract" xlink:label="loc_kt_TaxEffectAndAdjustmentOnConsolidationAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxEffectAndAdjustmentOnConsolidationAbstract" xml:lang="en-US">Tax Effect And Adjustment On Consolidation [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TaxEffectAndAdjustmentOnConsolidationAbstract" xml:lang="en-US">Tax effect and adjustment on consolidation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxEffectAndAdjustmentOnConsolidationAbstract" xlink:to="lab_kt_TaxEffectAndAdjustmentOnConsolidationAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxEffectAndAdjustmentOnConsolidationAbstract" xml:lang="en-US">Tax effect and adjustment on consolidation.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TaxEffectOfImpairmentOfGoodwill" xlink:label="loc_ifrs-full_TaxEffectOfImpairmentOfGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TaxEffectOfImpairmentOfGoodwill" xml:lang="en-US">Tax effect of impairment of goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TaxEffectOfImpairmentOfGoodwill" xml:lang="en-US">Goodwill impairment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxEffectOfImpairmentOfGoodwill" xlink:to="lab_ifrs-full_TaxEffectOfImpairmentOfGoodwill" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IncreaseDecreaseInOutSideTaxEffect" xlink:label="loc_kt_IncreaseDecreaseInOutSideTaxEffect" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IncreaseDecreaseInOutSideTaxEffect" xml:lang="en-US">Increase decrease in out side tax effect</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_IncreaseDecreaseInOutSideTaxEffect" xml:lang="en-US">Changes of out-side tax effect</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IncreaseDecreaseInOutSideTaxEffect" xlink:to="lab_kt_IncreaseDecreaseInOutSideTaxEffect" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IncreaseDecreaseInOutSideTaxEffect" xml:lang="en-US">Increase decrease in out side tax effect.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:label="loc_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xml:lang="en-US">Other tax effects for reconciliation between accounting profit and tax expense (income)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:to="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ReversalExpensesOfContractCostAssets" xlink:label="loc_kt_ReversalExpensesOfContractCostAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ReversalExpensesOfContractCostAssets" xml:lang="en-US">Reversal Expenses Of Contract Cost Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ReversalExpensesOfContractCostAssets" xml:lang="en-US">Reversal expenses of contract cost assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ReversalExpensesOfContractCostAssets" xlink:to="lab_kt_ReversalExpensesOfContractCostAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ReversalExpensesOfContractCostAssets" xml:lang="en-US">Reversal expenses of contract cost assets.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IncreaseDecreaseIntangibleAssetOtherThanGoodwill" xlink:label="loc_kt_IncreaseDecreaseIntangibleAssetOtherThanGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IncreaseDecreaseIntangibleAssetOtherThanGoodwill" xml:lang="en-US">Increase Decrease Intangible Asset Other Than Goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_IncreaseDecreaseIntangibleAssetOtherThanGoodwill" xml:lang="en-US">Intangible Asset impairment and amortization</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IncreaseDecreaseIntangibleAssetOtherThanGoodwill" xlink:to="lab_kt_IncreaseDecreaseIntangibleAssetOtherThanGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IncreaseDecreaseIntangibleAssetOtherThanGoodwill" xml:lang="en-US">Increase (Decrease) intangible asset other than goodwill.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AccountingProfit" xlink:label="loc_ifrs-full_AccountingProfit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AccountingProfit" xml:lang="en-US">Accounting profit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AccountingProfit" xml:lang="en-US">Profit before income tax expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccountingProfit" xlink:to="lab_ifrs-full_AccountingProfit" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:label="loc_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xml:lang="en-US">Tax expense (income) at applicable tax rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xml:lang="en-US">Statutory income tax expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:to="lab_ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract" xlink:label="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract" xml:lang="en-US">Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract" xlink:to="lab_ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:label="loc_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xml:lang="en-US">Deductible temporary differences for which no deferred tax asset is recognised</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" xlink:to="lab_ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxableTemporaryDifferencesForWhichNoDeferredTaxAssetAndLiabilitiesIsRecognised" xlink:label="loc_kt_TaxableTemporaryDifferencesForWhichNoDeferredTaxAssetAndLiabilitiesIsRecognised" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxableTemporaryDifferencesForWhichNoDeferredTaxAssetAndLiabilitiesIsRecognised" xml:lang="en-US">Taxable Temporary Differences For Which No Deferred Tax Asset and Liabilities Is Recognised</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxableTemporaryDifferencesForWhichNoDeferredTaxAssetAndLiabilitiesIsRecognised" xlink:to="lab_kt_TaxableTemporaryDifferencesForWhichNoDeferredTaxAssetAndLiabilitiesIsRecognised" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxableTemporaryDifferencesForWhichNoDeferredTaxAssetAndLiabilitiesIsRecognised" xml:lang="en-US">Taxable temporary differences for which no deferred tax asset and liabilities is recognised</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InvestmentInSubsidiariesAssociatesAndJointVenturesMember" xlink:label="loc_kt_InvestmentInSubsidiariesAssociatesAndJointVenturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InvestmentInSubsidiariesAssociatesAndJointVenturesMember" xml:lang="en-US">Investment in Subsidiaries Associates And Joint Ventures [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_InvestmentInSubsidiariesAssociatesAndJointVenturesMember" xml:lang="en-US">Investment in subsidiaries, associates, and joint ventures [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InvestmentInSubsidiariesAssociatesAndJointVenturesMember" xlink:to="lab_kt_InvestmentInSubsidiariesAssociatesAndJointVenturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InvestmentInSubsidiariesAssociatesAndJointVenturesMember" xml:lang="en-US">Investment in Subsidiaries Associates, And Joint Ventures</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UnusedTaxLossesMember" xlink:label="loc_ifrs-full_UnusedTaxLossesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_UnusedTaxLossesMember" xml:lang="en-US">Unused tax losses [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_UnusedTaxLossesMember" xml:lang="en-US">Unused tax loss [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnusedTaxLossesMember" xlink:to="lab_ifrs-full_UnusedTaxLossesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UnusedTaxCreditsMember" xlink:label="loc_ifrs-full_UnusedTaxCreditsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_UnusedTaxCreditsMember" xml:lang="en-US">Unused tax credits [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_UnusedTaxCreditsMember" xml:lang="en-US">Unused Tax credit [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnusedTaxCreditsMember" xlink:to="lab_ifrs-full_UnusedTaxCreditsMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherDeductibleDifferencesMember" xlink:label="loc_kt_OtherDeductibleDifferencesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherDeductibleDifferencesMember" xml:lang="en-US">Other Deductible Differences [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherDeductibleDifferencesMember" xml:lang="en-US">Others [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherDeductibleDifferencesMember" xlink:to="lab_kt_OtherDeductibleDifferencesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherTemporaryDifferencesMember" xlink:label="loc_ifrs-full_OtherTemporaryDifferencesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherTemporaryDifferencesMember" xml:lang="en-US">Other temporary differences [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherTemporaryDifferencesMember" xml:lang="en-US">Others [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTemporaryDifferencesMember" xlink:to="lab_ifrs-full_OtherTemporaryDifferencesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:label="loc_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xml:lang="en-US">Unused tax losses for which no deferred tax asset recognised</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" xlink:to="lab_ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxExpirationPeriodAxis" xlink:label="loc_kt_TaxExpirationPeriodAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxExpirationPeriodAxis" xml:lang="en-US">Tax Expiration Period [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxExpirationPeriodAxis" xlink:to="lab_kt_TaxExpirationPeriodAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxExpirationPeriodAxis" xml:lang="en-US">Tax Expiration Period</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxExpirationPeriodMember" xlink:label="loc_kt_TaxExpirationPeriodMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxExpirationPeriodMember" xml:lang="en-US">Tax Expiration Period [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxExpirationPeriodMember" xlink:to="lab_kt_TaxExpirationPeriodMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxExpirationPeriodMember" xml:lang="en-US">Tax Expiration Period</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxPeriodTwoThousandAndTwentyFourMember" xlink:label="loc_kt_TaxPeriodTwoThousandAndTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentyFourMember" xml:lang="en-US">Tax Period Two Thousand and Twenty Four [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentyFourMember" xml:lang="en-US">2024 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxPeriodTwoThousandAndTwentyFourMember" xlink:to="lab_kt_TaxPeriodTwoThousandAndTwentyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentyFourMember" xml:lang="en-US">Tax Period Two Thousand and Twenty Four</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxPeriodTwoThousandAndTwentyFiveMember" xlink:label="loc_kt_TaxPeriodTwoThousandAndTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentyFiveMember" xml:lang="en-US">Tax Period Two Thousand and Twenty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentyFiveMember" xml:lang="en-US">2025 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxPeriodTwoThousandAndTwentyFiveMember" xlink:to="lab_kt_TaxPeriodTwoThousandAndTwentyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentyFiveMember" xml:lang="en-US">Tax Period Two Thousand and Twenty Five</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxPeriodTwoThousandAndTwentySixMember" xlink:label="loc_kt_TaxPeriodTwoThousandAndTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentySixMember" xml:lang="en-US">Tax Period Two Thousand and Twenty Six [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentySixMember" xml:lang="en-US">2026 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxPeriodTwoThousandAndTwentySixMember" xlink:to="lab_kt_TaxPeriodTwoThousandAndTwentySixMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentySixMember" xml:lang="en-US">Tax Period Two Thousand and Twenty Six</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxPeriodTwoThousandAndTwentySevenMember" xlink:label="loc_kt_TaxPeriodTwoThousandAndTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentySevenMember" xml:lang="en-US">Tax Period Two Thousand and Twenty Seven [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentySevenMember" xml:lang="en-US">2027 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxPeriodTwoThousandAndTwentySevenMember" xlink:to="lab_kt_TaxPeriodTwoThousandAndTwentySevenMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentySevenMember" xml:lang="en-US">Tax Period Two Thousand and Twenty Seven</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxPeriodTwoThousandAndTwentyEightMember" xlink:label="loc_kt_TaxPeriodTwoThousandAndTwentyEightMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentyEightMember" xml:lang="en-US">Tax Period Two Thousand and Twenty Eight [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentyEightMember" xml:lang="en-US">2028 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxPeriodTwoThousandAndTwentyEightMember" xlink:to="lab_kt_TaxPeriodTwoThousandAndTwentyEightMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentyEightMember" xml:lang="en-US">Tax Period Two Thousand and Twenty Eight</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxPeriodTwoThousandAndTwentyNineMember" xlink:label="loc_kt_TaxPeriodTwoThousandAndTwentyNineMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentyNineMember" xml:lang="en-US">Tax Period Two Thousand and Twenty Nine [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentyNineMember" xml:lang="en-US">2029 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxPeriodTwoThousandAndTwentyNineMember" xlink:to="lab_kt_TaxPeriodTwoThousandAndTwentyNineMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxPeriodTwoThousandAndTwentyNineMember" xml:lang="en-US">Tax Period Two Thousand and Twenty Nine</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxPeriodTwoThousandAndThirtyMember" xlink:label="loc_kt_TaxPeriodTwoThousandAndThirtyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxPeriodTwoThousandAndThirtyMember" xml:lang="en-US">Tax Period Two Thousand and Thirty [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TaxPeriodTwoThousandAndThirtyMember" xml:lang="en-US">2030 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxPeriodTwoThousandAndThirtyMember" xlink:to="lab_kt_TaxPeriodTwoThousandAndThirtyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxPeriodTwoThousandAndThirtyMember" xml:lang="en-US">Tax Period Two Thousand and Thirty</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxPeriodTwoThousandAndThirtyOneMember" xlink:label="loc_kt_TaxPeriodTwoThousandAndThirtyOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxPeriodTwoThousandAndThirtyOneMember" xml:lang="en-US">Tax Period Two Thousand and Thirty One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TaxPeriodTwoThousandAndThirtyOneMember" xml:lang="en-US">2031 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxPeriodTwoThousandAndThirtyOneMember" xlink:to="lab_kt_TaxPeriodTwoThousandAndThirtyOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxPeriodTwoThousandAndThirtyOneMember" xml:lang="en-US">Tax Period Two Thousand and Thirty One.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AfterTaxPeriodTwoThousandAndThirtyFiveMember" xlink:label="loc_kt_AfterTaxPeriodTwoThousandAndThirtyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AfterTaxPeriodTwoThousandAndThirtyFiveMember" xml:lang="en-US">After Tax Period Two Thousand and Thirty Five [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AfterTaxPeriodTwoThousandAndThirtyFiveMember" xml:lang="en-US">After 2035 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AfterTaxPeriodTwoThousandAndThirtyFiveMember" xlink:to="lab_kt_AfterTaxPeriodTwoThousandAndThirtyFiveMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AfterTaxPeriodTwoThousandAndThirtyFiveMember" xml:lang="en-US">After Tax Period Two Thousand and Thirty Three.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxPeriodTwoThousandAndThirtyTwoMember" xlink:label="loc_kt_TaxPeriodTwoThousandAndThirtyTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxPeriodTwoThousandAndThirtyTwoMember" xml:lang="en-US">Tax Period Two Thousand and Thirty Two [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TaxPeriodTwoThousandAndThirtyTwoMember" xml:lang="en-US">2032 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxPeriodTwoThousandAndThirtyTwoMember" xlink:to="lab_kt_TaxPeriodTwoThousandAndThirtyTwoMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TaxPeriodTwoThousandAndThirtyTwoMember" xml:lang="en-US">Tax Period Two Thousand and Thirty Two [Member].</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxPeriodTwoThousandAndThirtyThreeMember" xlink:label="loc_kt_TaxPeriodTwoThousandAndThirtyThreeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxPeriodTwoThousandAndThirtyThreeMember" xml:lang="en-US">2033 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxPeriodTwoThousandAndThirtyThreeMember" xlink:to="lab_kt_TaxPeriodTwoThousandAndThirtyThreeMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TaxPeriodTwoThousandAndThirtyFourMember" xlink:label="loc_kt_TaxPeriodTwoThousandAndThirtyFourMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TaxPeriodTwoThousandAndThirtyFourMember" xml:lang="en-US">2034 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TaxPeriodTwoThousandAndThirtyFourMember" xlink:to="lab_kt_TaxPeriodTwoThousandAndThirtyFourMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BasicEarningsPerShareAbstract" xlink:label="loc_ifrs-full_BasicEarningsPerShareAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BasicEarningsPerShareAbstract" xml:lang="en-US">Basic earnings per share [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsPerShareAbstract" xlink:to="lab_ifrs-full_BasicEarningsPerShareAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:label="loc_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xml:lang="en-US">Profit (loss), attributable to ordinary equity holders of parent entity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xml:lang="en-US">Profit attributable to ordinary shares of owners of the Controlling Company (in millions of Korean won)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xml:lang="en-US">Profit attributable to ordinary shares of owners of the Controlling Company (In millions of Korean won)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" xlink:to="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageShares" xlink:label="loc_ifrs-full_WeightedAverageShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_WeightedAverageShares" xml:lang="en-US">Weighted average number of ordinary shares outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_WeightedAverageShares" xml:lang="en-US">Weighted average number of ordinary shares outstanding (in number of shares)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageShares" xlink:to="lab_ifrs-full_WeightedAverageShares" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustedNetIncomeAttributableToOrdinaryShares" xlink:label="loc_kt_AdjustedNetIncomeAttributableToOrdinaryShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustedNetIncomeAttributableToOrdinaryShares" xml:lang="en-US">Adjusted net income attributable to ordinary shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdjustedNetIncomeAttributableToOrdinaryShares" xml:lang="en-US">Adjustment to net income attributable to ordinary shares (in millions of Korean won)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustedNetIncomeAttributableToOrdinaryShares" xlink:to="lab_kt_AdjustedNetIncomeAttributableToOrdinaryShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustedNetIncomeAttributableToOrdinaryShares" xml:lang="en-US">Adjusted net income attributable to ordinary shares.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xlink:label="loc_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xml:lang="en-US">Profit (loss), attributable to ordinary equity holders of parent entity including dilutive effects</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xml:lang="en-US">Diluted profit attributable to ordinary shares (In millions of Korean won)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" xlink:to="lab_ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares" xlink:label="loc_ifrs-full_DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares" xml:lang="en-US">Dilutive effect of convertible instruments on number of ordinary shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares" xml:lang="en-US">Number of dilutive potential ordinary shares outstanding</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares" xlink:to="lab_ifrs-full_DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustedWeightedAverageShares" xlink:label="loc_ifrs-full_AdjustedWeightedAverageShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xml:lang="en-US">Adjusted weighted average number of ordinary shares outstanding</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xml:lang="en-US">Weighted average number of ordinary shares outstanding</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:to="lab_ifrs-full_AdjustedWeightedAverageShares" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDividendsAbstract" xlink:label="loc_kt_DisclosureOfDividendsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDividendsAbstract" xml:lang="en-US">Disclosure of Dividends [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDividendsAbstract" xlink:to="lab_kt_DisclosureOfDividendsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDividendsAbstract" xml:lang="en-US">Disclosure of dividends.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsPaidOrdinaryShares" xlink:label="loc_ifrs-full_DividendsPaidOrdinaryShares" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DividendsPaidOrdinaryShares" xml:lang="en-US">Dividends paid, ordinary shares</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DividendsPaidOrdinaryShares" xml:lang="en-US">Dividends paid</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsPaidOrdinaryShares" xlink:to="lab_ifrs-full_DividendsPaidOrdinaryShares" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsPaidOrdinarySharesPerShare" xlink:label="loc_ifrs-full_DividendsPaidOrdinarySharesPerShare" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DividendsPaidOrdinarySharesPerShare" xml:lang="en-US">Dividends paid, ordinary shares per share</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DividendsPaidOrdinarySharesPerShare" xml:lang="en-US">Dividends paid per share</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsPaidOrdinarySharesPerShare" xlink:to="lab_ifrs-full_DividendsPaidOrdinarySharesPerShare" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners" xlink:label="loc_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners" xml:lang="en-US">Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners" xml:lang="en-US">Dividends declared</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners" xlink:to="lab_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xlink:label="loc_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xml:lang="en-US">Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners per share</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare" xml:lang="en-US">Dividends declared per share</label>
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<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:label="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xml:lang="en-US">Adjustments to reconcile profit (loss) [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xml:lang="en-US">Adjustments to reconcile net income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:to="lab_ifrs-full_AdjustmentsForReconcileProfitLossAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:label="loc_ifrs-full_AdjustmentsForIncomeTaxExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForIncomeTaxExpense" xml:lang="en-US">Adjustments for income tax expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AdjustmentsForIncomeTaxExpense" xml:lang="en-US">Income tax expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncomeTaxExpense" xlink:to="lab_ifrs-full_AdjustmentsForIncomeTaxExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForInterestIncome" xlink:label="loc_ifrs-full_AdjustmentsForInterestIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForInterestIncome" xml:lang="en-US">Adjustments for interest income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_AdjustmentsForInterestIncome" xml:lang="en-US">Interest income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForInterestIncome" xlink:to="lab_ifrs-full_AdjustmentsForInterestIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForInterestExpense" xlink:label="loc_ifrs-full_AdjustmentsForInterestExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForInterestExpense" xml:lang="en-US">Adjustments for interest expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AdjustmentsForInterestExpense" xml:lang="en-US">Interest expense</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForInterestExpense" xlink:to="lab_ifrs-full_AdjustmentsForInterestExpense" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDividendIncome" xlink:label="loc_ifrs-full_AdjustmentsForDividendIncome" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForDividendIncome" xml:lang="en-US">Adjustments for dividend income</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_AdjustmentsForDividendIncome" xml:lang="en-US">Dividends income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDividendIncome" xlink:to="lab_ifrs-full_AdjustmentsForDividendIncome" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDepreciationExpense" xlink:label="loc_ifrs-full_AdjustmentsForDepreciationExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationExpense" xml:lang="en-US">Adjustments for depreciation expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationExpense" xml:lang="en-US">Depreciation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDepreciationExpense" xlink:to="lab_ifrs-full_AdjustmentsForDepreciationExpense" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsForProvisionForSeveranceBenefits" xlink:label="loc_kt_AdjustmentsForProvisionForSeveranceBenefits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsForProvisionForSeveranceBenefits" xml:lang="en-US">Adjustments for provision for severance benefits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdjustmentsForProvisionForSeveranceBenefits" xml:lang="en-US">Provision for severance benefits (defined benefits)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsForProvisionForSeveranceBenefits" xlink:to="lab_kt_AdjustmentsForProvisionForSeveranceBenefits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsForProvisionForSeveranceBenefits" xml:lang="en-US">Adjustments for provision for severance benefits.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables" xlink:label="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables" xml:lang="en-US">Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss, trade and other receivables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables" xml:lang="en-US">Impairment losses on trade receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables" xlink:to="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeAndOtherReceivables" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsForShareOfNetProfitOfAssociatesAndJointVentures" xlink:label="loc_kt_AdjustmentsForShareOfNetProfitOfAssociatesAndJointVentures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsForShareOfNetProfitOfAssociatesAndJointVentures" xml:lang="en-US">Adjustments for share of net profit of associates and joint ventures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdjustmentsForShareOfNetProfitOfAssociatesAndJointVentures" xml:lang="en-US">Share of net profit or loss of associates and joint ventures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsForShareOfNetProfitOfAssociatesAndJointVentures" xlink:to="lab_kt_AdjustmentsForShareOfNetProfitOfAssociatesAndJointVentures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsForShareOfNetProfitOfAssociatesAndJointVentures" xml:lang="en-US">Adjustments for share of net profit of associates and joint ventures.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:label="loc_ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xml:lang="en-US">Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xml:lang="en-US">Loss(gain) on disposal of associates and joint ventures</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:to="lab_ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:label="loc_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xml:lang="en-US">Adjustments for gain (loss) on disposals, property, plant and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xml:lang="en-US">Loss(gain) on disposal of property and equipment and investment in properties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsForLossOnDisposalOfIntangibleAssets" xlink:label="loc_kt_AdjustmentsForLossOnDisposalOfIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsForLossOnDisposalOfIntangibleAssets" xml:lang="en-US">Adjustments for loss on disposal of intangible assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdjustmentsForLossOnDisposalOfIntangibleAssets" xml:lang="en-US">Loss on disposal of intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsForLossOnDisposalOfIntangibleAssets" xlink:to="lab_kt_AdjustmentsForLossOnDisposalOfIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsForLossOnDisposalOfIntangibleAssets" xml:lang="en-US">Adjustments for loss on disposal of intangible assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xml:lang="en-US">Impairment loss recognised in profit or loss, intangible assets other than goodwill</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xml:lang="en-US">Loss on impairment of intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsForLossOnForeignCurrencyTranslation" xlink:label="loc_kt_AdjustmentsForLossOnForeignCurrencyTranslation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsForLossOnForeignCurrencyTranslation" xml:lang="en-US">Adjustments for loss on foreign currency translation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdjustmentsForLossOnForeignCurrencyTranslation" xml:lang="en-US">Loss on foreign currency translation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsForLossOnForeignCurrencyTranslation" xlink:to="lab_kt_AdjustmentsForLossOnForeignCurrencyTranslation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsForLossOnForeignCurrencyTranslation" xml:lang="en-US">Adjustments for loss on foreign currency translation.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsForGainsLossOnValuationAndSettlementOfDerivatives" xlink:label="loc_kt_AdjustmentsForGainsLossOnValuationAndSettlementOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsForGainsLossOnValuationAndSettlementOfDerivatives" xml:lang="en-US">Adjustments for gains (loss) on valuation and settlement of derivatives</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_AdjustmentsForGainsLossOnValuationAndSettlementOfDerivatives" xml:lang="en-US">Gain on valuation and settlement of derivatives, net</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsForGainsLossOnValuationAndSettlementOfDerivatives" xlink:to="lab_kt_AdjustmentsForGainsLossOnValuationAndSettlementOfDerivatives" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsForGainsLossOnValuationAndSettlementOfDerivatives" xml:lang="en-US">Adjustments for gains (loss) on valuation and settlement of derivatives.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsForGainOnDisposalOfAvailableForSaleFairValueThroughProfitOrLoss" xlink:label="loc_kt_AdjustmentsForGainOnDisposalOfAvailableForSaleFairValueThroughProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsForGainOnDisposalOfAvailableForSaleFairValueThroughProfitOrLoss" xml:lang="en-US">Adjustments For Gain On Disposal Of Available for sale fair Value Through Profit Or Loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdjustmentsForGainOnDisposalOfAvailableForSaleFairValueThroughProfitOrLoss" xml:lang="en-US">Gain on disposal of financial assets at fair value through profit or loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsForGainOnDisposalOfAvailableForSaleFairValueThroughProfitOrLoss" xlink:to="lab_kt_AdjustmentsForGainOnDisposalOfAvailableForSaleFairValueThroughProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsForGainOnDisposalOfAvailableForSaleFairValueThroughProfitOrLoss" xml:lang="en-US">Adjustments for gain on disposal of available for sale fair value through profit or loss.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainLossValuationOfFinancialAssetsFairValueOfProfitOrLoss" xlink:label="loc_kt_GainLossValuationOfFinancialAssetsFairValueOfProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainLossValuationOfFinancialAssetsFairValueOfProfitOrLoss" xml:lang="en-US">Gain (loss )valuation of financial assets fair value of profit or loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GainLossValuationOfFinancialAssetsFairValueOfProfitOrLoss" xml:lang="en-US">Loss(Gain) on valuation of financial assets at fair value through profit or loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_GainLossValuationOfFinancialAssetsFairValueOfProfitOrLoss" xml:lang="en-US">Gain loss valuation Of financial assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainLossValuationOfFinancialAssetsFairValueOfProfitOrLoss" xlink:to="lab_kt_GainLossValuationOfFinancialAssetsFairValueOfProfitOrLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainLossValuationOfFinancialAssetsFairValueOfProfitOrLoss" xml:lang="en-US">Gain (loss ) valuation of financial assets fair value of profit or loss.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainLossArisingFromDerecognitionOfFinancialAssetsMeasuredAtAmortisedCost" xlink:label="loc_ifrs-full_GainLossArisingFromDerecognitionOfFinancialAssetsMeasuredAtAmortisedCost" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainLossArisingFromDerecognitionOfFinancialAssetsMeasuredAtAmortisedCost" xml:lang="en-US">Gain (loss) arising from derecognition of financial assets measured at amortised cost</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_GainLossArisingFromDerecognitionOfFinancialAssetsMeasuredAtAmortisedCost" xml:lang="en-US">Loss(gain) on disposal of financial assets at amortized cost</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainLossArisingFromDerecognitionOfFinancialAssetsMeasuredAtAmortisedCost" xlink:to="lab_ifrs-full_GainLossArisingFromDerecognitionOfFinancialAssetsMeasuredAtAmortisedCost" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:label="loc_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xml:lang="en-US">Other adjustments to reconcile profit (loss)</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:to="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GainLossOnDisposalOfRightOfUseAssets" xlink:label="loc_kt_GainLossOnDisposalOfRightOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GainLossOnDisposalOfRightOfUseAssets" xml:lang="en-US">Gain Loss On Disposal Of Right Of Use Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_GainLossOnDisposalOfRightOfUseAssets" xml:lang="en-US">Loss(gain) on disposal of right-of-use assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GainLossOnDisposalOfRightOfUseAssets" xlink:to="lab_kt_GainLossOnDisposalOfRightOfUseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GainLossOnDisposalOfRightOfUseAssets" xml:lang="en-US">Gain (loss) on disposal of right-of-use assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationRightofuseAssets" xlink:label="loc_ifrs-full_DepreciationRightofuseAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DepreciationRightofuseAssets" xml:lang="en-US">Depreciation, right-of-use assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DepreciationRightofuseAssets" xml:lang="en-US">Depreciation of right-of-use assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationRightofuseAssets" xlink:to="lab_ifrs-full_DepreciationRightofuseAssets" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LossOnTheDisposalOfSubsidiaries" xlink:label="loc_kt_LossOnTheDisposalOfSubsidiaries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LossOnTheDisposalOfSubsidiaries" xml:lang="en-US">Loss on the disposal of subsidiaries</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_LossOnTheDisposalOfSubsidiaries" xml:lang="en-US">Loss(gain) on the disposal of subsidiaries</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LossOnTheDisposalOfSubsidiaries" xlink:to="lab_kt_LossOnTheDisposalOfSubsidiaries" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LossOnTheDisposalOfSubsidiaries" xml:lang="en-US">Loss on the disposal of subsidiaries</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentAndInvestmentProperty" xlink:label="loc_kt_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentAndInvestmentProperty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentAndInvestmentProperty" xml:lang="en-US">Impairment Loss Recognised In Profit Or Loss Property Plant And Equipment and Investment Property</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentAndInvestmentProperty" xml:lang="en-US">Impairment loss on property and equipment and investment in properties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentAndInvestmentProperty" xlink:to="lab_kt_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentAndInvestmentProperty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipmentAndInvestmentProperty" xml:lang="en-US">Impairment loss recognised in profit or loss property plant and equipment and investment property.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ChangeInOperatingAssetsAndLiabilitiesAbstract" xlink:label="loc_kt_ChangeInOperatingAssetsAndLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ChangeInOperatingAssetsAndLiabilitiesAbstract" xml:lang="en-US">Change in Operating Assets and Liabilities [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ChangeInOperatingAssetsAndLiabilitiesAbstract" xml:lang="en-US">Change in operating assets and liabilities, net of effects from purchase of controlled entity and sale of engineering division</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ChangeInOperatingAssetsAndLiabilitiesAbstract" xlink:to="lab_kt_ChangeInOperatingAssetsAndLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ChangeInOperatingAssetsAndLiabilitiesAbstract" xml:lang="en-US">Change in Operating Assets and Liabilities [abstract]</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xml:lang="en-US">Adjustments for decrease (increase) in trade accounts receivable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xml:lang="en-US">Decrease(increase) in trade receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsForDecreaseIncreaseInOtherReceivable" xlink:label="loc_kt_AdjustmentsForDecreaseIncreaseInOtherReceivable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsForDecreaseIncreaseInOtherReceivable" xml:lang="en-US">Adjustments for decrease (increase) in other receivable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdjustmentsForDecreaseIncreaseInOtherReceivable" xml:lang="en-US">Increase in other receivables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsForDecreaseIncreaseInOtherReceivable" xlink:to="lab_kt_AdjustmentsForDecreaseIncreaseInOtherReceivable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsForDecreaseIncreaseInOtherReceivable" xml:lang="en-US">Adjustments for decrease (increase) in other receivable</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xml:lang="en-US">Adjustments for decrease (increase) in other current assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xml:lang="en-US">Decrease(increase) in other current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentForIncreaseDecreaseInOtherNoncurrentAssets" xlink:label="loc_kt_AdjustmentForIncreaseDecreaseInOtherNoncurrentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentForIncreaseDecreaseInOtherNoncurrentAssets" xml:lang="en-US">Adjustment for increase decrease in other noncurrent assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdjustmentForIncreaseDecreaseInOtherNoncurrentAssets" xml:lang="en-US">Increase in other non-current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentForIncreaseDecreaseInOtherNoncurrentAssets" xlink:to="lab_kt_AdjustmentForIncreaseDecreaseInOtherNoncurrentAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentForIncreaseDecreaseInOtherNoncurrentAssets" xml:lang="en-US">Adjustment for increase decrease in other noncurrent assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xml:lang="en-US">Adjustments for decrease (increase) in inventories</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xml:lang="en-US">Decrease(increase) in inventories</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInInventories" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xml:lang="en-US">Adjustments for increase (decrease) in trade accounts payable</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xml:lang="en-US">Increase(decrease) in trade payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsForIncreaseDecreaseInOtherPayables" xlink:label="loc_kt_AdjustmentsForIncreaseDecreaseInOtherPayables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsForIncreaseDecreaseInOtherPayables" xml:lang="en-US">Adjustments for increase decrease in other payables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdjustmentsForIncreaseDecreaseInOtherPayables" xml:lang="en-US">Increase in other payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsForIncreaseDecreaseInOtherPayables" xlink:to="lab_kt_AdjustmentsForIncreaseDecreaseInOtherPayables" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsForIncreaseDecreaseInOtherPayables" xml:lang="en-US">Adjustments for increase decrease in other payables.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" xml:lang="en-US">Adjustments for increase (decrease) in other current liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" xml:lang="en-US">Increase(decrease) in other current liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsForIncreaseDecreaseInOtherNoncurrentLiabilities" xlink:label="loc_kt_AdjustmentsForIncreaseDecreaseInOtherNoncurrentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsForIncreaseDecreaseInOtherNoncurrentLiabilities" xml:lang="en-US">Adjustments For Increase Decrease In Other Noncurrent Liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdjustmentsForIncreaseDecreaseInOtherNoncurrentLiabilities" xml:lang="en-US">Decrease in other non-current liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsForIncreaseDecreaseInOtherNoncurrentLiabilities" xlink:to="lab_kt_AdjustmentsForIncreaseDecreaseInOtherNoncurrentLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsForIncreaseDecreaseInOtherNoncurrentLiabilities" xml:lang="en-US">Adjustments for increase decrease in other noncurrent liabilities.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsForIncreaseDecreaseInProvision" xlink:label="loc_kt_AdjustmentsForIncreaseDecreaseInProvision" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsForIncreaseDecreaseInProvision" xml:lang="en-US">Adjustments For Increase Decrease In Provision</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_AdjustmentsForIncreaseDecreaseInProvision" xml:lang="en-US">Decrease in provisions</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsForIncreaseDecreaseInProvision" xlink:to="lab_kt_AdjustmentsForIncreaseDecreaseInProvision" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsForIncreaseDecreaseInProvision" xml:lang="en-US">Adjustments for increase decrease in provision.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsForIncreaseDecreaseInDeferredRevenue" xlink:label="loc_kt_AdjustmentsForIncreaseDecreaseInDeferredRevenue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsForIncreaseDecreaseInDeferredRevenue" xml:lang="en-US">Adjustments for increase (decrease) in deferred revenue</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdjustmentsForIncreaseDecreaseInDeferredRevenue" xml:lang="en-US">Increase(decrease) in deferred revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsForIncreaseDecreaseInDeferredRevenue" xlink:to="lab_kt_AdjustmentsForIncreaseDecreaseInDeferredRevenue" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsForIncreaseDecreaseInDeferredRevenue" xml:lang="en-US">Adjustments for increase (decrease) in deferred revenue.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsForDecreaseIncreaseInPlanAssets" xlink:label="loc_kt_AdjustmentsForDecreaseIncreaseInPlanAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsForDecreaseIncreaseInPlanAssets" xml:lang="en-US">Adjustments for decrease (increase) in plan assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdjustmentsForDecreaseIncreaseInPlanAssets" xml:lang="en-US">Decrease(increase) in plan assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsForDecreaseIncreaseInPlanAssets" xlink:to="lab_kt_AdjustmentsForDecreaseIncreaseInPlanAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsForDecreaseIncreaseInPlanAssets" xml:lang="en-US">Adjustments for decrease (increase) in plan assets</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AdjustmentsForPaymentsOfSeveranceBenefits" xlink:label="loc_kt_AdjustmentsForPaymentsOfSeveranceBenefits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AdjustmentsForPaymentsOfSeveranceBenefits" xml:lang="en-US">Adjustments For Payments Of Severance Benefits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AdjustmentsForPaymentsOfSeveranceBenefits" xml:lang="en-US">Payment of post-employment benefits</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AdjustmentsForPaymentsOfSeveranceBenefits" xlink:to="lab_kt_AdjustmentsForPaymentsOfSeveranceBenefits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AdjustmentsForPaymentsOfSeveranceBenefits" xml:lang="en-US">Adjustments for payments of severance benefits.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfCashFlowsFromOperatingActivitiesTable" xlink:label="loc_kt_DisclosureOfCashFlowsFromOperatingActivitiesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfCashFlowsFromOperatingActivitiesTable" xml:lang="en-US">Disclosure of Cash Flows from Operating Activities [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfCashFlowsFromOperatingActivitiesTable" xlink:to="lab_kt_DisclosureOfCashFlowsFromOperatingActivitiesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfCashFlowsFromOperatingActivitiesTable" xml:lang="en-US">Disclosure of cash flows from operating activities.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfCashFlowsFromOperatingActivitiesLineItems" xlink:label="loc_kt_DisclosureOfCashFlowsFromOperatingActivitiesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfCashFlowsFromOperatingActivitiesLineItems" xml:lang="en-US">Disclosure Of Cash Flows From Operating Activities [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfCashFlowsFromOperatingActivitiesLineItems" xlink:to="lab_kt_DisclosureOfCashFlowsFromOperatingActivitiesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfCashFlowsFromOperatingActivitiesLineItems" xml:lang="en-US">Disclosure of cash flows from operating activities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnDisposalsOfInvestmentProperties" xlink:label="loc_ifrs-full_GainsLossesOnDisposalsOfInvestmentProperties" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainsLossesOnDisposalsOfInvestmentProperties" xml:lang="en-US">Gains (losses) on disposals of investment properties</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GainsLossesOnDisposalsOfInvestmentProperties" xml:lang="en-US">Gains (losses) on disposals of investment properties</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnDisposalsOfInvestmentProperties" xlink:to="lab_ifrs-full_GainsLossesOnDisposalsOfInvestmentProperties" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ReclassificationOfTheCurrentPortionOfDebentures" xlink:label="loc_kt_ReclassificationOfTheCurrentPortionOfDebentures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ReclassificationOfTheCurrentPortionOfDebentures" xml:lang="en-US">Reclassification of the current portion of debentures</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ReclassificationOfTheCurrentPortionOfDebentures" xml:lang="en-US">Reclassification of the current portion of borrowings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ReclassificationOfTheCurrentPortionOfDebentures" xlink:to="lab_kt_ReclassificationOfTheCurrentPortionOfDebentures" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ReclassificationOfTheCurrentPortionOfDebentures" xml:lang="en-US">Reclassification of the current portion of debentures.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ReclassificationOfConstructioninprogressToPropertyPlantAndEquipment" xlink:label="loc_kt_ReclassificationOfConstructioninprogressToPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ReclassificationOfConstructioninprogressToPropertyPlantAndEquipment" xml:lang="en-US">Reclassification of construction-in-progress to property plant and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ReclassificationOfConstructioninprogressToPropertyPlantAndEquipment" xml:lang="en-US">Reclassification of construction-in-progress to property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ReclassificationOfConstructioninprogressToPropertyPlantAndEquipment" xlink:to="lab_kt_ReclassificationOfConstructioninprogressToPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ReclassificationOfConstructioninprogressToPropertyPlantAndEquipment" xml:lang="en-US">Reclassification of construction-in-progress to property plant and equipment.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ReclassificationOfAccountsPayableFromPropertyPlantAndEquipment" xlink:label="loc_kt_ReclassificationOfAccountsPayableFromPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ReclassificationOfAccountsPayableFromPropertyPlantAndEquipment" xml:lang="en-US">Reclassification of accounts payable from property, plant and equipment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ReclassificationOfAccountsPayableFromPropertyPlantAndEquipment" xml:lang="en-US">Reclassification of accounts payable from property and equipment</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ReclassificationOfAccountsPayableFromPropertyPlantAndEquipment" xlink:to="lab_kt_ReclassificationOfAccountsPayableFromPropertyPlantAndEquipment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ReclassificationOfAccountsPayableFromPropertyPlantAndEquipment" xml:lang="en-US">Reclassification of accounts payable from property, plant and equipment.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ReclassificationOfAccountsPayableFromIntangibleAssets" xlink:label="loc_kt_ReclassificationOfAccountsPayableFromIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ReclassificationOfAccountsPayableFromIntangibleAssets" xml:lang="en-US">Reclassification of accounts payable from intangible assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ReclassificationOfAccountsPayableFromIntangibleAssets" xml:lang="en-US">Reclassification of accounts payable from intangible assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ReclassificationOfAccountsPayableFromIntangibleAssets" xlink:to="lab_kt_ReclassificationOfAccountsPayableFromIntangibleAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ReclassificationOfAccountsPayableFromIntangibleAssets" xml:lang="en-US">Reclassification of accounts payable from intangible assets.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ReclassificationOfPayableFromDefinedBenefitLiability" xlink:label="loc_kt_ReclassificationOfPayableFromDefinedBenefitLiability" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ReclassificationOfPayableFromDefinedBenefitLiability" xml:lang="en-US">Reclassification of payable from defined benefit liability</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ReclassificationOfPayableFromDefinedBenefitLiability" xml:lang="en-US">Reclassification of payable from defined benefit liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ReclassificationOfPayableFromDefinedBenefitLiability" xlink:to="lab_kt_ReclassificationOfPayableFromDefinedBenefitLiability" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ReclassificationOfPayableFromDefinedBenefitLiability" xml:lang="en-US">Reclassification of payable from defined benefit liability</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ReclassificationOfPayableFromPlanAssets" xlink:label="loc_kt_ReclassificationOfPayableFromPlanAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ReclassificationOfPayableFromPlanAssets" xml:lang="en-US">Reclassification of payable from plan assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ReclassificationOfPayableFromPlanAssets" xml:lang="en-US">Reclassification of payable from plan assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ReclassificationOfPayableFromPlanAssets" xlink:to="lab_kt_ReclassificationOfPayableFromPlanAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ReclassificationOfPayableFromPlanAssets" xml:lang="en-US">Reclassification of payable from plan assets.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisposalOfTreasuryStockRelatedToAcquisitionOfFinancialAssets" xlink:label="loc_kt_DisposalOfTreasuryStockRelatedToAcquisitionOfFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisposalOfTreasuryStockRelatedToAcquisitionOfFinancialAssets" xml:lang="en-US">Disposal Of Treasury Stock Related To Acquisition Of Financial Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DisposalOfTreasuryStockRelatedToAcquisitionOfFinancialAssets" xml:lang="en-US">Disposal of treasury stock related to acquisition of financial assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisposalOfTreasuryStockRelatedToAcquisitionOfFinancialAssets" xlink:to="lab_kt_DisposalOfTreasuryStockRelatedToAcquisitionOfFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisposalOfTreasuryStockRelatedToAcquisitionOfFinancialAssets" xml:lang="en-US">Disposal of treasury stock related to acquisition of financial assets.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AcquisitionOfFinancialAssetsRelatedToAcquisitionOfSubsidiary" xlink:label="loc_kt_AcquisitionOfFinancialAssetsRelatedToAcquisitionOfSubsidiary" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AcquisitionOfFinancialAssetsRelatedToAcquisitionOfSubsidiary" xml:lang="en-US">Acquisition Of Financial Assets Related To Acquisition Of Subsidiary</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AcquisitionOfFinancialAssetsRelatedToAcquisitionOfSubsidiary" xml:lang="en-US">Acquisition of financial assets related to disposal of a subsidiary</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AcquisitionOfFinancialAssetsRelatedToAcquisitionOfSubsidiary" xlink:to="lab_kt_AcquisitionOfFinancialAssetsRelatedToAcquisitionOfSubsidiary" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AcquisitionOfFinancialAssetsRelatedToAcquisitionOfSubsidiary" xml:lang="en-US">Acquisition of financial assets related to acquisition of subsidiary.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IncreaseInFinancialAssetsDueToStockExchange" xlink:label="loc_kt_IncreaseInFinancialAssetsDueToStockExchange" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IncreaseInFinancialAssetsDueToStockExchange" xml:lang="en-US">Increase In Financial Assets Due To Stock Exchange</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IncreaseInFinancialAssetsDueToStockExchange" xlink:to="lab_kt_IncreaseInFinancialAssetsDueToStockExchange" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IncreaseInFinancialAssetsDueToStockExchange" xml:lang="en-US">Increase in financial assets due to stock exchange.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xml:lang="en-US">Disclosure of reconciliation of liabilities arising from financing activities [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:label="loc_ifrs-full_LiabilitiesArisingFromFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities" xml:lang="en-US">Liabilities arising from financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities" xml:lang="en-US">Beginning</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities" xml:lang="en-US">Ending</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_LiabilitiesArisingFromFinancingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xml:lang="en-US">Increase (decrease) through financing cash flows, liabilities arising from financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xml:lang="en-US">Cash flows</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities" xlink:label="loc_ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities" xml:lang="en-US">Increase (decrease) in liabilities arising from financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities" xml:lang="en-US">Newly acquired</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseInLiabilitiesArisingFromFinancingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xml:lang="en-US">Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xml:lang="en-US">Changes in FX rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities" xml:lang="en-US">Increase (decrease) through changes in fair values, liabilities arising from financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities" xml:lang="en-US">Fair value change</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xml:lang="en-US">Increase (decrease) through other changes, liabilities arising from financing activities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:label="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xml:lang="en-US">Liabilities arising from financing activities [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xml:lang="en-US">Liabilities arising from financing activities [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:to="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:label="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xml:lang="en-US">Liabilities arising from financing activities [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xml:lang="en-US">Liabilities arising from financing activities [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:to="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Borrowings1Member" xlink:label="loc_kt_Borrowings1Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Borrowings1Member" xml:lang="en-US">Borrowings 1 [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_Borrowings1Member" xml:lang="en-US">Borrowings [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_Borrowings1Member" xml:lang="en-US">Borrowings [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Borrowings1Member" xlink:to="lab_kt_Borrowings1Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_Borrowings1Member" xml:lang="en-US">Borrowings.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativeAssetsMember" xlink:label="loc_kt_DerivativeAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativeAssetsMember" xml:lang="en-US">Derivative Assets [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DerivativeAssetsMember" xml:lang="en-US">Derivative assets [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativeAssetsMember" xlink:to="lab_kt_DerivativeAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativeAssetsMember" xml:lang="en-US">Derivative assets for financial assets.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativeLiabilitiesMember" xlink:label="loc_kt_DerivativeLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativeLiabilitiesMember" xml:lang="en-US">Derivative liabilities [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DerivativeLiabilitiesMember" xml:lang="en-US">Derivative liabilities [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativeLiabilitiesMember" xlink:to="lab_kt_DerivativeLiabilitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativeLiabilitiesMember" xml:lang="en-US">Derivative liabilities for financial liabilities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xml:lang="en-US">Disclosure of operating segments [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsAbstract" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xml:lang="en-US">Disclosure of operating segments [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" xml:lang="en-US">Disclosure of operating segments [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xml:lang="en-US">Disclosure of operating segments [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xml:lang="en-US">Disclosure of operating segments [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationAndAmortisationExpense" xlink:label="loc_ifrs-full_DepreciationAndAmortisationExpense" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xml:lang="en-US">Depreciation and amortisation expense</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xml:lang="en-US">Depreciation and Amortization</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_DepreciationAndAmortisationExpense" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_FinanceSegmentMember" xlink:label="loc_kt_FinanceSegmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_FinanceSegmentMember" xml:lang="en-US">Finance segment [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_FinanceSegmentMember" xml:lang="en-US">Finance [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_FinanceSegmentMember" xlink:to="lab_kt_FinanceSegmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_FinanceSegmentMember" xml:lang="en-US">Finance segment.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherMember" xlink:label="loc_kt_OtherMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherMember" xml:lang="en-US">Other [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherMember" xml:lang="en-US">Others [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherMember" xlink:to="lab_kt_OtherMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherMember" xml:lang="en-US">Other.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RealEstateSegmentMember" xlink:label="loc_kt_RealEstateSegmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RealEstateSegmentMember" xml:lang="en-US">Real Estate Segment [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RealEstateSegmentMember" xml:lang="en-US">Real estate [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RealEstateSegmentMember" xlink:to="lab_kt_RealEstateSegmentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RealEstateSegmentMember" xml:lang="en-US">Real Estate.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SegmentConsolidationItemAxis" xlink:label="loc_kt_SegmentConsolidationItemAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SegmentConsolidationItemAxis" xml:lang="en-US">Segment Consolidation Item [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SegmentConsolidationItemAxis" xlink:to="lab_kt_SegmentConsolidationItemAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SegmentConsolidationItemAxis" xml:lang="en-US">Segment consolidation item.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SegmentConsolidationItemMember" xlink:label="loc_kt_SegmentConsolidationItemMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SegmentConsolidationItemMember" xml:lang="en-US">Segment Consolidation Item [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SegmentConsolidationItemMember" xlink:to="lab_kt_SegmentConsolidationItemMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SegmentConsolidationItemMember" xml:lang="en-US">Segment consolidation item.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OperatingSegmentsMember" xlink:label="loc_ifrs-full_OperatingSegmentsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OperatingSegmentsMember" xml:lang="en-US">Operating segments [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OperatingSegmentsMember" xml:lang="en-US">Operating segments [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingSegmentsMember" xlink:to="lab_ifrs-full_OperatingSegmentsMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EliminationOfInterSegmentsAmountMember" xlink:label="loc_kt_EliminationOfInterSegmentsAmountMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EliminationOfInterSegmentsAmountMember" xml:lang="en-US">Elimination Of Inter segments Amount [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_EliminationOfInterSegmentsAmountMember" xml:lang="en-US">Elimination [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EliminationOfInterSegmentsAmountMember" xlink:to="lab_kt_EliminationOfInterSegmentsAmountMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EliminationOfInterSegmentsAmountMember" xml:lang="en-US">Elimination&#8203; of inter segments&#8203; amount.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfGeographicalAreasAbstract" xlink:label="loc_ifrs-full_DisclosureOfGeographicalAreasAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasAbstract" xml:lang="en-US">Disclosure of geographical areas [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeographicalAreasAbstract" xlink:to="lab_ifrs-full_DisclosureOfGeographicalAreasAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfGeographicalAreasTable" xlink:label="loc_ifrs-full_DisclosureOfGeographicalAreasTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasTable" xml:lang="en-US">Disclosure of geographical areas [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasTable" xml:lang="en-US">Disclosure of geographical areas [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeographicalAreasTable" xlink:to="lab_ifrs-full_DisclosureOfGeographicalAreasTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:label="loc_ifrs-full_DisclosureOfGeographicalAreasLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasLineItems" xml:lang="en-US">Disclosure of geographical areas [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfGeographicalAreasLineItems" xml:lang="en-US">Disclosure of geographical areas [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="lab_ifrs-full_DisclosureOfGeographicalAreasLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:label="loc_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xml:lang="en-US">Non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets, and rights arising under insurance contracts</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xml:lang="en-US">Non-current assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" xlink:to="lab_ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GeographicalAreasAxis" xlink:label="loc_ifrs-full_GeographicalAreasAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xml:lang="en-US">Geographical areas [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xml:lang="en-US">Geographical areas [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasAxis" xlink:to="lab_ifrs-full_GeographicalAreasAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GeographicalAreasDomain" xlink:label="loc_ifrs-full_GeographicalAreasDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GeographicalAreasDomain" xml:lang="en-US">Geographical areas [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GeographicalAreasDomain" xml:lang="en-US">Geographical areas [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasDomain" xlink:to="lab_ifrs-full_GeographicalAreasDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CountryOfDomicileMember" xlink:label="loc_ifrs-full_CountryOfDomicileMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_CountryOfDomicileMember" xml:lang="en-US">Country of domicile [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_CountryOfDomicileMember" xml:lang="en-US">Domestic [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CountryOfDomicileMember" xlink:to="lab_ifrs-full_CountryOfDomicileMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ForeignCountriesMember" xlink:label="loc_ifrs-full_ForeignCountriesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ForeignCountriesMember" xml:lang="en-US">Foreign countries [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ForeignCountriesMember" xml:lang="en-US">Overseas [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ForeignCountriesMember" xlink:to="lab_ifrs-full_ForeignCountriesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xml:lang="en-US">Disclosure of transactions between related parties [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xml:lang="en-US">Disclosure of transactions between related parties [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xml:lang="en-US">Disclosure of transactions between related parties [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherRelatedPartiesMember" xlink:label="loc_ifrs-full_OtherRelatedPartiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherRelatedPartiesMember" xml:lang="en-US">Other related parties [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherRelatedPartiesMember" xml:lang="en-US">Others [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherRelatedPartiesMember" xlink:to="lab_ifrs-full_OtherRelatedPartiesMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LittleBigPicturesMember" xlink:label="loc_kt_LittleBigPicturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LittleBigPicturesMember" xml:lang="en-US">Little Big Pictures [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LittleBigPicturesMember" xlink:to="lab_kt_LittleBigPicturesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LittleBigPicturesMember" xml:lang="en-US">Little big pictures.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Krealty11thRealEstateInvestmentTrustCompanyMember" xlink:label="loc_kt_Krealty11thRealEstateInvestmentTrustCompanyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Krealty11thRealEstateInvestmentTrustCompanyMember" xml:lang="en-US">KRealty 11th Real Estate Investment Trust Company [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_Krealty11thRealEstateInvestmentTrustCompanyMember" xml:lang="en-US">K-Realty 11th Real Estate Investment Trust Company [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Krealty11thRealEstateInvestmentTrustCompanyMember" xlink:to="lab_kt_Krealty11thRealEstateInvestmentTrustCompanyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_Krealty11thRealEstateInvestmentTrustCompanyMember" xml:lang="en-US">KRealty 11th real estate investment trust company.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KrealtyNo.3RealEstateGeneralPrivatePlacementInvestmentCompanyMember" xlink:label="loc_kt_KrealtyNo.3RealEstateGeneralPrivatePlacementInvestmentCompanyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KrealtyNo.3RealEstateGeneralPrivatePlacementInvestmentCompanyMember" xml:lang="en-US">K-Realty No.3 Real Estate General Private Placement Investment Company [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KrealtyNo.3RealEstateGeneralPrivatePlacementInvestmentCompanyMember" xlink:to="lab_kt_KrealtyNo.3RealEstateGeneralPrivatePlacementInvestmentCompanyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KrealtyNo.3RealEstateGeneralPrivatePlacementInvestmentCompanyMember" xml:lang="en-US">K-Realty No.3 Real Estate General Private Placement Investment Company.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherRelatedPartiesOneMember" xlink:label="loc_kt_OtherRelatedPartiesOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherRelatedPartiesOneMember" xml:lang="en-US">Other Related Parties One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_OtherRelatedPartiesOneMember" xml:lang="en-US">Others [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherRelatedPartiesOneMember" xlink:to="lab_kt_OtherRelatedPartiesOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherRelatedPartiesOneMember" xml:lang="en-US">Other related parties one</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TradePayablesMember" xlink:label="loc_kt_TradePayablesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TradePayablesMember" xml:lang="en-US">Trade Payables [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_TradePayablesMember" xml:lang="en-US">Trade payables [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TradePayablesMember" xml:lang="en-US">Trade payables [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TradePayablesMember" xlink:to="lab_kt_TradePayablesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TradePayablesMember" xml:lang="en-US">Trade Payables [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherPayablesMember" xlink:label="loc_kt_OtherPayablesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherPayablesMember" xml:lang="en-US">Other Payables [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherPayablesMember" xml:lang="en-US">Other payables [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherPayablesMember" xlink:to="lab_kt_OtherPayablesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherPayablesMember" xml:lang="en-US">Other payables.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LeaseReceivablesMember" xlink:label="loc_ifrs-full_LeaseReceivablesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LeaseReceivablesMember" xml:lang="en-US">Lease receivables [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseReceivablesMember" xlink:to="lab_ifrs-full_LeaseReceivablesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:label="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xml:lang="en-US">Disclosure of transactions between related parties [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xml:lang="en-US">Disclosure of transactions between related parties [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AmountsReceivableRelatedPartyTransactions" xlink:label="loc_ifrs-full_AmountsReceivableRelatedPartyTransactions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AmountsReceivableRelatedPartyTransactions" xml:lang="en-US">Amounts receivable, related party transactions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_AmountsReceivableRelatedPartyTransactions" xml:lang="en-US">Receviables</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AmountsReceivableRelatedPartyTransactions" xml:lang="en-US">Dividend Income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmountsReceivableRelatedPartyTransactions" xlink:to="lab_ifrs-full_AmountsReceivableRelatedPartyTransactions" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:label="loc_ifrs-full_AmountsPayableRelatedPartyTransactions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AmountsPayableRelatedPartyTransactions" xml:lang="en-US">Amounts payable, related party transactions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AmountsPayableRelatedPartyTransactions" xml:lang="en-US">Payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmountsPayableRelatedPartyTransactions" xlink:to="lab_ifrs-full_AmountsPayableRelatedPartyTransactions" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_HyundaiRoboticsCo.LtdMember" xlink:label="loc_kt_HyundaiRoboticsCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_HyundaiRoboticsCo.LtdMember" xml:lang="en-US">Hyundai Robotics Co., Ltd [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_HyundaiRoboticsCo.LtdMember" xlink:to="lab_kt_HyundaiRoboticsCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_HyundaiRoboticsCo.LtdMember" xml:lang="en-US">Hyundai Robotics Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DigitalPharmCo.LtdMember" xlink:label="loc_kt_DigitalPharmCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DigitalPharmCo.LtdMember" xml:lang="en-US">Digital Pharm Co., Ltd [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DigitalPharmCo.LtdMember" xlink:to="lab_kt_DigitalPharmCo.LtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DigitalPharmCo.LtdMember" xml:lang="en-US">Digital Pharm Co., Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_HDHyundaiRoboticsCoLtdformerlyHyundaiRoboticsCoLtdMember" xlink:label="loc_kt_HDHyundaiRoboticsCoLtdformerlyHyundaiRoboticsCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_HDHyundaiRoboticsCoLtdformerlyHyundaiRoboticsCoLtdMember" xml:lang="en-US">HD Hyundai Robotics Co Ltdformerly Hyundai Robotics Co Ltd [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_HDHyundaiRoboticsCoLtdformerlyHyundaiRoboticsCoLtdMember" xml:lang="en-US">HD Hyundai Robotics Co., Ltd.(formerly Hyundai Robotics Co., Ltd.) [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_HDHyundaiRoboticsCoLtdformerlyHyundaiRoboticsCoLtdMember" xlink:to="lab_kt_HDHyundaiRoboticsCoLtdformerlyHyundaiRoboticsCoLtdMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_HDHyundaiRoboticsCoLtdformerlyHyundaiRoboticsCoLtdMember" xml:lang="en-US">HD Hyundai robotics co., ltd.(formerly hyundai robotics co., ltd.).</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" xlink:label="loc_ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" xml:lang="en-US">Revenue from sale of goods, related party transactions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" xml:lang="en-US">Operating Revenue</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" xlink:to="lab_ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" xlink:label="loc_ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" xml:lang="en-US">Purchases of goods, related party transactions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" xml:lang="en-US">Purchases</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" xlink:to="lab_ifrs-full_PurchasesOfGoodsRelatedPartyTransactions" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xml:lang="en-US">Key management personnel compensation, short-term employee benefits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xml:lang="en-US">Salaries and other short-term benefits</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xml:lang="en-US">Key management personnel compensation, post-employment benefits</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xml:lang="en-US">Post-employment benefits</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xml:lang="en-US">Key management personnel compensation, share-based payment</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xml:lang="en-US">Share-based compensation</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensation" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensation" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xml:lang="en-US">Key management personnel compensation</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensation" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfDetailedInformationAboutRelatedPartyTransactionsPriorLiquidationAbstract" xlink:label="loc_kt_DisclosureOfDetailedInformationAboutRelatedPartyTransactionsPriorLiquidationAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutRelatedPartyTransactionsPriorLiquidationAbstract" xml:lang="en-US">Disclosure Of Detailed Information About Related Party Transactions Prior Liquidation [Abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfDetailedInformationAboutRelatedPartyTransactionsPriorLiquidationAbstract" xlink:to="lab_kt_DisclosureOfDetailedInformationAboutRelatedPartyTransactionsPriorLiquidationAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfDetailedInformationAboutRelatedPartyTransactionsPriorLiquidationAbstract" xml:lang="en-US">Disclosure Of Detailed Information About Related Party Transactions Prior Liquidation [Abstract]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RelatedPartyTransactionTypeAxis" xlink:label="loc_kt_RelatedPartyTransactionTypeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RelatedPartyTransactionTypeAxis" xml:lang="en-US">Related Party Transaction Type [Axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RelatedPartyTransactionTypeAxis" xlink:to="lab_kt_RelatedPartyTransactionTypeAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RelatedPartyTransactionTypeAxis" xml:lang="en-US">Related Party Transaction Type [Axis]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RelatedPartyTransactionTypeDomain" xlink:label="loc_kt_RelatedPartyTransactionTypeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RelatedPartyTransactionTypeDomain" xml:lang="en-US">Related Party Transaction Type [Domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RelatedPartyTransactionTypeDomain" xlink:to="lab_kt_RelatedPartyTransactionTypeDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RelatedPartyTransactionTypeDomain" xml:lang="en-US">Related Party Transaction Type [Domain]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_AcquisitionOfRightOfUseAssetsMember" xlink:label="loc_kt_AcquisitionOfRightOfUseAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_AcquisitionOfRightOfUseAssetsMember" xml:lang="en-US">Acquisition Of right of use assets [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_AcquisitionOfRightOfUseAssetsMember" xml:lang="en-US">Acquisition of right of use assets [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_AcquisitionOfRightOfUseAssetsMember" xlink:to="lab_kt_AcquisitionOfRightOfUseAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_AcquisitionOfRightOfUseAssetsMember" xml:lang="en-US">Acquisition Of right of use assets [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InterestExpensesMember" xlink:label="loc_kt_InterestExpensesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InterestExpensesMember" xml:lang="en-US">Interest Expenses [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_InterestExpensesMember" xml:lang="en-US">Interest Expense [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InterestExpensesMember" xlink:to="lab_kt_InterestExpensesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InterestExpensesMember" xml:lang="en-US">Interest Expense.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DividendIncomeMember" xlink:label="loc_kt_DividendIncomeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DividendIncomeMember" xml:lang="en-US">Dividend Income [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DividendIncomeMember" xml:lang="en-US">Dividend Income [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DividendIncomeMember" xlink:to="lab_kt_DividendIncomeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DividendIncomeMember" xml:lang="en-US">Dividend Income.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InterestIncomeFromTransactionsMember" xlink:label="loc_kt_InterestIncomeFromTransactionsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InterestIncomeFromTransactionsMember" xml:lang="en-US">Interest income From Transactions [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_InterestIncomeFromTransactionsMember" xml:lang="en-US">Interest income [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InterestIncomeFromTransactionsMember" xlink:to="lab_kt_InterestIncomeFromTransactionsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InterestIncomeFromTransactionsMember" xml:lang="en-US">Interest income.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KRealtyCrReitsNoOneMember" xlink:label="loc_kt_KRealtyCrReitsNoOneMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KRealtyCrReitsNoOneMember" xml:lang="en-US">K Realty CR REITs No One [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_kt_KRealtyCrReitsNoOneMember" xml:lang="en-US">K-Realty CR-REITs No.1 [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KRealtyCrReitsNoOneMember" xlink:to="lab_kt_KRealtyCrReitsNoOneMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IbkKtEmergingDigitalIndustryInvestmentFundMember" xlink:label="loc_kt_IbkKtEmergingDigitalIndustryInvestmentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IbkKtEmergingDigitalIndustryInvestmentFundMember" xml:lang="en-US">IBK KT Emerging Digital Industry Investment Fund [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IbkKtEmergingDigitalIndustryInvestmentFundMember" xlink:to="lab_kt_IbkKtEmergingDigitalIndustryInvestmentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IbkKtEmergingDigitalIndustryInvestmentFundMember" xml:lang="en-US">IBK-KT&#160;emerging digital industry investment fund.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MasternKtMultifamilyRealEstatePrivateEquityInvestmentFundMember" xlink:label="loc_kt_MasternKtMultifamilyRealEstatePrivateEquityInvestmentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MasternKtMultifamilyRealEstatePrivateEquityInvestmentFundMember" xml:lang="en-US">Mastern KT MultiFamily Real Estate Private Equity Investment Fund [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MasternKtMultifamilyRealEstatePrivateEquityInvestmentFundMember" xlink:to="lab_kt_MasternKtMultifamilyRealEstatePrivateEquityInvestmentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MasternKtMultifamilyRealEstatePrivateEquityInvestmentFundMember" xml:lang="en-US">Mastern KT MultiFamily Real Estate Private Equity Investment Fund.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SticPlaceGeneralPrivatePlacementRealEstateInvestmentTrustNo.2Member" xlink:label="loc_kt_SticPlaceGeneralPrivatePlacementRealEstateInvestmentTrustNo.2Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SticPlaceGeneralPrivatePlacementRealEstateInvestmentTrustNo.2Member" xml:lang="en-US">STIC Place General Private Placement Real Estate Investment Trust No.2 [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_SticPlaceGeneralPrivatePlacementRealEstateInvestmentTrustNo.2Member" xml:lang="en-US">STIC Place General Private Placement Real Estate Investment Trust No.2 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SticPlaceGeneralPrivatePlacementRealEstateInvestmentTrustNo.2Member" xlink:to="lab_kt_SticPlaceGeneralPrivatePlacementRealEstateInvestmentTrustNo.2Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SticPlaceGeneralPrivatePlacementRealEstateInvestmentTrustNo.2Member" xml:lang="en-US">STIC Place General Private Placement Real Estate Investment Trust No.2.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TelcoCreditBureauCo.ltd.Member" xlink:label="loc_kt_TelcoCreditBureauCo.ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TelcoCreditBureauCo.ltd.Member" xml:lang="en-US">Telco Credit Bureau Co.,Ltd. [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TelcoCreditBureauCo.ltd.Member" xml:lang="en-US">Telco Credit Bureau Co.,Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TelcoCreditBureauCo.ltd.Member" xlink:to="lab_kt_TelcoCreditBureauCo.ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TelcoCreditBureauCo.ltd.Member" xml:lang="en-US">Telco Credit Bureau Co.,Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PacificGeumtoNo.75PrivateHybridAssetFundMember" xlink:label="loc_kt_PacificGeumtoNo.75PrivateHybridAssetFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PacificGeumtoNo.75PrivateHybridAssetFundMember" xml:lang="en-US">Pacific geumto no.75 private hybrid asset fund [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PacificGeumtoNo.75PrivateHybridAssetFundMember" xml:lang="en-US">Pacific geumto no.75 private hybrid asset fund [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PacificGeumtoNo.75PrivateHybridAssetFundMember" xlink:to="lab_kt_PacificGeumtoNo.75PrivateHybridAssetFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PacificGeumtoNo.75PrivateHybridAssetFundMember" xml:lang="en-US">Pacific geumto no.75 private hybrid asset fund.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_KiamcoDataCenterBlindFundMember" xlink:label="loc_kt_KiamcoDataCenterBlindFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_KiamcoDataCenterBlindFundMember" xml:lang="en-US">Kiamco Data Center Blind Fund [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_KiamcoDataCenterBlindFundMember" xlink:to="lab_kt_KiamcoDataCenterBlindFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_KiamcoDataCenterBlindFundMember" xml:lang="en-US">Kiamco Data Center Blind Fund.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_SticMixedAssetInvestmentTrustNo.1Member" xlink:label="loc_kt_SticMixedAssetInvestmentTrustNo.1Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_SticMixedAssetInvestmentTrustNo.1Member" xml:lang="en-US">STIC Mixed Asset Investment Trust No.1 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_SticMixedAssetInvestmentTrustNo.1Member" xlink:to="lab_kt_SticMixedAssetInvestmentTrustNo.1Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_SticMixedAssetInvestmentTrustNo.1Member" xml:lang="en-US">STIC Mixed Asset Investment Trust No.1.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RebellionsCo.ltd.Member" xlink:label="loc_kt_RebellionsCo.ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RebellionsCo.ltd.Member" xml:lang="en-US">Rebellions Co.,Ltd. [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RebellionsCo.ltd.Member" xlink:to="lab_kt_RebellionsCo.ltd.Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RebellionsCo.ltd.Member" xml:lang="en-US">Rebellions Co.,Ltd.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IbkktYoungEntrepreneursMarsInvestmentFundMember" xlink:label="loc_kt_IbkktYoungEntrepreneursMarsInvestmentFundMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IbkktYoungEntrepreneursMarsInvestmentFundMember" xml:lang="en-US">IBKKT Young Entrepreneurs MARS Investment Fund [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IbkktYoungEntrepreneursMarsInvestmentFundMember" xlink:to="lab_kt_IbkktYoungEntrepreneursMarsInvestmentFundMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TeamfreshCorpMember" xlink:label="loc_kt_TeamfreshCorpMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TeamfreshCorpMember" xml:lang="en-US">TeamFresh Corp [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TeamfreshCorpMember" xlink:to="lab_kt_TeamfreshCorpMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_EquityContributionsInCashAndOtherFromEntityRelatedPartyTransactions" xlink:label="loc_kt_EquityContributionsInCashAndOtherFromEntityRelatedPartyTransactions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_EquityContributionsInCashAndOtherFromEntityRelatedPartyTransactions" xml:lang="en-US">Equity contributions in cash and other from entity related party transactions</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_EquityContributionsInCashAndOtherFromEntityRelatedPartyTransactions" xml:lang="en-US">Equity contributions in cash</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_EquityContributionsInCashAndOtherFromEntityRelatedPartyTransactions" xlink:to="lab_kt_EquityContributionsInCashAndOtherFromEntityRelatedPartyTransactions" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_EquityContributionsInCashAndOtherFromEntityRelatedPartyTransactions" xml:lang="en-US">Equity contributions in cash and other from entity related party transactions.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ProceedsFromRelatedPartyBorrowings" xlink:label="loc_kt_ProceedsFromRelatedPartyBorrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ProceedsFromRelatedPartyBorrowings" xml:lang="en-US">Proceeds From Related Party Borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ProceedsFromRelatedPartyBorrowings" xml:lang="en-US">Borrowings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ProceedsFromRelatedPartyBorrowings" xlink:to="lab_kt_ProceedsFromRelatedPartyBorrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ProceedsFromRelatedPartyBorrowings" xml:lang="en-US">Proceeds From Related Party Borrowings</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RepaymentsOfRelatedPartyBorrowings" xlink:label="loc_kt_RepaymentsOfRelatedPartyBorrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RepaymentsOfRelatedPartyBorrowings" xml:lang="en-US">Repayments Of Related Party Borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RepaymentsOfRelatedPartyBorrowings" xml:lang="en-US">Repayments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RepaymentsOfRelatedPartyBorrowings" xlink:to="lab_kt_RepaymentsOfRelatedPartyBorrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RepaymentsOfRelatedPartyBorrowings" xml:lang="en-US">Repayments Of Related Party Borrowings.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InvestmentInRelatedParty" xlink:label="loc_kt_InvestmentInRelatedParty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InvestmentInRelatedParty" xml:lang="en-US">Investment In Related Party</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_InvestmentInRelatedParty" xml:lang="en-US">Investment in related party</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InvestmentInRelatedParty" xlink:to="lab_kt_InvestmentInRelatedParty" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InvestmentInRelatedParty" xml:lang="en-US">Investment in related party.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CreditCardContractThresholdLimit" xlink:label="loc_kt_CreditCardContractThresholdLimit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CreditCardContractThresholdLimit" xml:lang="en-US">Credit Card Contract Threshold Limit</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_CreditCardContractThresholdLimit" xml:lang="en-US">Credit card contract threshold limit</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CreditCardContractThresholdLimit" xlink:to="lab_kt_CreditCardContractThresholdLimit" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CreditCardContractThresholdLimit" xml:lang="en-US">Credit card contract threshold limit.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ForeignExchangeRateVolatility" xlink:label="loc_kt_ForeignExchangeRateVolatility" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ForeignExchangeRateVolatility" xml:lang="en-US">Foreign Exchange Rate Volatility</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ForeignExchangeRateVolatility" xml:lang="en-US">Fluctuation of foreign exchange rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ForeignExchangeRateVolatility" xlink:to="lab_kt_ForeignExchangeRateVolatility" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ForeignExchangeRateVolatility" xml:lang="en-US">Foreign exchange rate volatility.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PercentageOfReasonablyPossibleIncreaseDecreaseInMarketPrice" xlink:label="loc_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInMarketPrice" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInMarketPrice" xml:lang="en-US">Percentage of reasonably possible increase decrease in market price</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInMarketPrice" xml:lang="en-US">Fluctuation of price</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInMarketPrice" xlink:to="lab_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInMarketPrice" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInMarketPrice" xml:lang="en-US">Percentage of reasonably possible increase decrease in market price.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PercentageOfReasonablyPossibleIncreaseDecreaseInInterestRate" xlink:label="loc_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInInterestRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInInterestRate" xml:lang="en-US">Percentage of reasonably possible increase decrease in interest rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInInterestRate" xml:lang="en-US">Fluctuation of interest rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInInterestRate" xlink:to="lab_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInInterestRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PercentageOfReasonablyPossibleIncreaseDecreaseInInterestRate" xml:lang="en-US">Percentage of reasonably possible increase decrease in interest rate.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IncreaseDecreaseInIncomeBeforeTax" xlink:label="loc_kt_IncreaseDecreaseInIncomeBeforeTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IncreaseDecreaseInIncomeBeforeTax" xml:lang="en-US">Increase Decrease In Income Before Tax</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_IncreaseDecreaseInIncomeBeforeTax" xml:lang="en-US">Impact on profit before income tax</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IncreaseDecreaseInIncomeBeforeTax" xlink:to="lab_kt_IncreaseDecreaseInIncomeBeforeTax" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IncreaseDecreaseInIncomeBeforeTax" xml:lang="en-US">Increase (decrease) in income before tax.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ChangesInEquity" xlink:label="loc_ifrs-full_ChangesInEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ChangesInEquity" xml:lang="en-US">Increase (decrease) in equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ChangesInEquity" xml:lang="en-US">Impact on equity</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInEquity" xlink:to="lab_ifrs-full_ChangesInEquity" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TenPercentageStrengtheningInForeignExchangeRateMember" xlink:label="loc_kt_TenPercentageStrengtheningInForeignExchangeRateMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TenPercentageStrengtheningInForeignExchangeRateMember" xml:lang="en-US">Ten percentage Strengthening in foreign exchange rate [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TenPercentageStrengtheningInForeignExchangeRateMember" xml:lang="en-US">10% strengthening in foreign exchange rate [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TenPercentageStrengtheningInForeignExchangeRateMember" xlink:to="lab_kt_TenPercentageStrengtheningInForeignExchangeRateMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TenPercentageStrengtheningInForeignExchangeRateMember" xml:lang="en-US">Ten percentage Strengthening in foreign exchange rate.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TenPercentageWeakeningInForeignExchangeRateMember" xlink:label="loc_kt_TenPercentageWeakeningInForeignExchangeRateMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TenPercentageWeakeningInForeignExchangeRateMember" xml:lang="en-US">Ten percentage weakening in foreign exchange rate [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TenPercentageWeakeningInForeignExchangeRateMember" xml:lang="en-US">10% weakening in foreign exchange rate [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TenPercentageWeakeningInForeignExchangeRateMember" xlink:to="lab_kt_TenPercentageWeakeningInForeignExchangeRateMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TenPercentageWeakeningInForeignExchangeRateMember" xml:lang="en-US">Ten percentage weakening in foreign exchange rate.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TenPercentageIncreaseInMarketEquityPriceMember" xlink:label="loc_kt_TenPercentageIncreaseInMarketEquityPriceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TenPercentageIncreaseInMarketEquityPriceMember" xml:lang="en-US">Ten percentage increase in market equity price [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TenPercentageIncreaseInMarketEquityPriceMember" xml:lang="en-US">10% percentage increase in market equity price [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TenPercentageIncreaseInMarketEquityPriceMember" xlink:to="lab_kt_TenPercentageIncreaseInMarketEquityPriceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TenPercentageIncreaseInMarketEquityPriceMember" xml:lang="en-US">Ten percentage increase in market equity price.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TenPercentageDecreaseInMarketEquityPriceMember" xlink:label="loc_kt_TenPercentageDecreaseInMarketEquityPriceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TenPercentageDecreaseInMarketEquityPriceMember" xml:lang="en-US">Ten percentage decrease in market equity price [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TenPercentageDecreaseInMarketEquityPriceMember" xml:lang="en-US">10% decrease in market equity price [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TenPercentageDecreaseInMarketEquityPriceMember" xlink:to="lab_kt_TenPercentageDecreaseInMarketEquityPriceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TenPercentageDecreaseInMarketEquityPriceMember" xml:lang="en-US">Ten percentage decrease in market equity price.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OneHundredBasisPointIncreaseInMarketInterestRateMember" xlink:label="loc_kt_OneHundredBasisPointIncreaseInMarketInterestRateMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OneHundredBasisPointIncreaseInMarketInterestRateMember" xml:lang="en-US">One hundred basis point increase in market interest rate [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OneHundredBasisPointIncreaseInMarketInterestRateMember" xml:lang="en-US">100 basis point increase in market interest rate [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OneHundredBasisPointIncreaseInMarketInterestRateMember" xlink:to="lab_kt_OneHundredBasisPointIncreaseInMarketInterestRateMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OneHundredBasisPointIncreaseInMarketInterestRateMember" xml:lang="en-US">One hundred basis point increase in market interest rate.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OneHundredBasisPointDecreaseInMarketInterestRateMember" xlink:label="loc_kt_OneHundredBasisPointDecreaseInMarketInterestRateMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OneHundredBasisPointDecreaseInMarketInterestRateMember" xml:lang="en-US">One hundred basis point decrease in market interest rate [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OneHundredBasisPointDecreaseInMarketInterestRateMember" xml:lang="en-US">100 basis point decrease in market interest rate [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OneHundredBasisPointDecreaseInMarketInterestRateMember" xlink:to="lab_kt_OneHundredBasisPointDecreaseInMarketInterestRateMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OneHundredBasisPointDecreaseInMarketInterestRateMember" xml:lang="en-US">One hundred basis point decrease in market interest rate.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssets" xlink:label="loc_ifrs-full_FinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialAssets" xml:lang="en-US">Financial assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialAssets" xml:lang="en-US">Financial assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_FinancialAssets" xml:lang="en-US">Beginning balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_FinancialAssets" xml:lang="en-US">Ending balance</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssets" xlink:to="lab_ifrs-full_FinancialAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilities" xlink:label="loc_ifrs-full_FinancialLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialLiabilities" xml:lang="en-US">Financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialLiabilities" xml:lang="en-US">Financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ifrs-full_FinancialLiabilities" xml:lang="en-US">Beginning balance</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ifrs-full_FinancialLiabilities" xml:lang="en-US">Ending balance</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilities" xlink:to="lab_ifrs-full_FinancialLiabilities" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CashAndCashEquivalentsExceptCashOnHandMember" xlink:label="loc_kt_CashAndCashEquivalentsExceptCashOnHandMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CashAndCashEquivalentsExceptCashOnHandMember" xml:lang="en-US">Cash and cash equivalents except cash on hand [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_CashAndCashEquivalentsExceptCashOnHandMember" xml:lang="en-US">Cash and cash equivalents (except for cash on hand) [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CashAndCashEquivalentsExceptCashOnHandMember" xlink:to="lab_kt_CashAndCashEquivalentsExceptCashOnHandMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CashAndCashEquivalentsExceptCashOnHandMember" xml:lang="en-US">Cash and cash equivalents except cash on hand.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_FinancialAssetsAtAmortizedCostsMember" xlink:label="loc_kt_FinancialAssetsAtAmortizedCostsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_FinancialAssetsAtAmortizedCostsMember" xml:lang="en-US">Financial assets at amortized costs [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_FinancialAssetsAtAmortizedCostsMember" xml:lang="en-US">Financial assets at amortized costs [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_FinancialAssetsAtAmortizedCostsMember" xlink:to="lab_kt_FinancialAssetsAtAmortizedCostsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_FinancialAssetsAtAmortizedCostsMember" xml:lang="en-US">Financial assets at amortized costs.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xlink:label="loc_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Financial assets at fair value through other comprehensive income [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Financial assets at fair value through other comprehensive income [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="lab_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Financial assets at fair value through other comprehensive income.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ContractAssetsMember" xlink:label="loc_ifrs-full_ContractAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ContractAssetsMember" xml:lang="en-US">Contract assets [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ContractAssetsMember" xml:lang="en-US">Contract assets [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContractAssetsMember" xlink:to="lab_ifrs-full_ContractAssetsMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativesFinancialAssetsForHedgingMember" xlink:label="loc_kt_DerivativesFinancialAssetsForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativesFinancialAssetsForHedgingMember" xml:lang="en-US">Derivatives financial assets for hedging [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DerivativesFinancialAssetsForHedgingMember" xml:lang="en-US">Derivatives financial assets for hedging [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_DerivativesFinancialAssetsForHedgingMember" xml:lang="en-US">Derivative financial assets for hedging [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativesFinancialAssetsForHedgingMember" xlink:to="lab_kt_DerivativesFinancialAssetsForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativesFinancialAssetsForHedgingMember" xml:lang="en-US">Derivatives financial assets for hedging [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xlink:label="loc_kt_OtherFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Other financial assets at fair value through other comprehensive income [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_OtherFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Financial assets at fair value through other comprehensive income [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Other financial assets at fair value through other comprehensive income [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xlink:to="lab_kt_OtherFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember" xml:lang="en-US">Other financial assets at fair value through other comprehensive income.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherFinancialAssetsAtAmortizedCostsMember" xlink:label="loc_kt_OtherFinancialAssetsAtAmortizedCostsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherFinancialAssetsAtAmortizedCostsMember" xml:lang="en-US">Other financial assets at amortized costs [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_OtherFinancialAssetsAtAmortizedCostsMember" xml:lang="en-US">Financial assets at amortized costs [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherFinancialAssetsAtAmortizedCostsMember" xml:lang="en-US">Other financial assets at amortized costs [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherFinancialAssetsAtAmortizedCostsMember" xlink:to="lab_kt_OtherFinancialAssetsAtAmortizedCostsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherFinancialAssetsAtAmortizedCostsMember" xml:lang="en-US">Other financial assets at amortized costs.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaximumExposureToCreditRisk" xlink:label="loc_ifrs-full_MaximumExposureToCreditRisk" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MaximumExposureToCreditRisk" xml:lang="en-US">Maximum exposure to credit risk</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MaximumExposureToCreditRisk" xml:lang="en-US">Maximum exposure to credit risk</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_MaximumExposureToCreditRisk" xml:lang="en-US">Maximum exposure to credit risk</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaximumExposureToCreditRisk" xlink:to="lab_ifrs-full_MaximumExposureToCreditRisk" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfProvisionMatrixAbstract" xlink:label="loc_ifrs-full_DisclosureOfProvisionMatrixAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfProvisionMatrixAbstract" xml:lang="en-US">Disclosure of provision matrix [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionMatrixAbstract" xlink:to="lab_ifrs-full_DisclosureOfProvisionMatrixAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfProvisionMatrixTable" xlink:label="loc_ifrs-full_DisclosureOfProvisionMatrixTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfProvisionMatrixTable" xml:lang="en-US">Disclosure of provision matrix [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionMatrixTable" xlink:to="lab_ifrs-full_DisclosureOfProvisionMatrixTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfProvisionMatrixLineItems" xlink:label="loc_ifrs-full_DisclosureOfProvisionMatrixLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfProvisionMatrixLineItems" xml:lang="en-US">Disclosure of provision matrix [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionMatrixLineItems" xlink:to="lab_ifrs-full_DisclosureOfProvisionMatrixLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpectedCreditLossRate" xlink:label="loc_ifrs-full_ExpectedCreditLossRate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ExpectedCreditLossRate" xml:lang="en-US">Expected credit loss rate</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ExpectedCreditLossRate" xml:lang="en-US">Expected credit loss rate</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpectedCreditLossRate" xlink:to="lab_ifrs-full_ExpectedCreditLossRate" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PastDueStatusAxis" xlink:label="loc_ifrs-full_PastDueStatusAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PastDueStatusAxis" xml:lang="en-US">Past due status [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusAxis" xlink:to="lab_ifrs-full_PastDueStatusAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PastDueStatusDomain" xlink:label="loc_ifrs-full_PastDueStatusDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PastDueStatusDomain" xml:lang="en-US">Past due status [domain]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusDomain" xlink:to="lab_ifrs-full_PastDueStatusDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LessThanSixMonthsMember" xlink:label="loc_kt_LessThanSixMonthsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LessThanSixMonthsMember" xml:lang="en-US">Less Than Six Months [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LessThanSixMonthsMember" xml:lang="en-US">Less than 6 months [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LessThanSixMonthsMember" xlink:to="lab_kt_LessThanSixMonthsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LessThanSixMonthsMember" xml:lang="en-US">Less Than Six Months.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_LaterThanSevenMonthsAndNotLaterThanTwelveMonthsMember" xlink:label="loc_kt_LaterThanSevenMonthsAndNotLaterThanTwelveMonthsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_LaterThanSevenMonthsAndNotLaterThanTwelveMonthsMember" xml:lang="en-US">Later Than Seven Months And Not Later Than Twelve Months [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_LaterThanSevenMonthsAndNotLaterThanTwelveMonthsMember" xml:lang="en-US">7-12 months [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_LaterThanSevenMonthsAndNotLaterThanTwelveMonthsMember" xlink:to="lab_kt_LaterThanSevenMonthsAndNotLaterThanTwelveMonthsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_LaterThanSevenMonthsAndNotLaterThanTwelveMonthsMember" xml:lang="en-US">Later Than Seven Months And Not Later Than Twelve Months.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_MoreThanOneYearMember" xlink:label="loc_kt_MoreThanOneYearMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_MoreThanOneYearMember" xml:lang="en-US">More Than One Year [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_MoreThanOneYearMember" xml:lang="en-US">More than 1 years [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_MoreThanOneYearMember" xlink:to="lab_kt_MoreThanOneYearMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_MoreThanOneYearMember" xml:lang="en-US">More Than One Year.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLossesOfFinancialAsset" xlink:label="loc_kt_IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLossesOfFinancialAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLossesOfFinancialAsset" xml:lang="en-US">Increase (decrease) through other changes, allowance account for credit losses of financial asset</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLossesOfFinancialAsset" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLossesOfFinancialAsset" xlink:to="lab_kt_IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLossesOfFinancialAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLossesOfFinancialAsset" xml:lang="en-US">Increase (decrease) through other changes, allowance account for credit losses of financial asset.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAsset" xlink:label="loc_kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAsset" xml:lang="en-US">Write Off Or Transfer Out Of Allowance Account For Credit Losses Of Financial Asset</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAsset" xml:lang="en-US">Written-off</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAsset" xlink:to="lab_kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAsset" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_WriteOffOrTransferOutOfAllowanceAccountForCreditLossesOfFinancialAsset" xml:lang="en-US">Write off or transfer out of allowance account for credit losses of financial asset.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:label="loc_ifrs-full_FinancialAssetsAtAmortisedCostMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember" xml:lang="en-US">Financial assets at amortised cost, class [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember" xml:lang="en-US">Financial assets at amortized costs [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:to="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract" xlink:label="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract" xml:lang="en-US">Disclosure of impairment loss and reversal of impairment loss [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract" xlink:to="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:label="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xml:lang="en-US">Disclosure of impairment loss and reversal of impairment loss [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:to="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:label="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xml:lang="en-US">Disclosure of impairment loss and reversal of impairment loss [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:to="lab_ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ImpairmentLossBadDebtExpenses" xlink:label="loc_kt_ImpairmentLossBadDebtExpenses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ImpairmentLossBadDebtExpenses" xml:lang="en-US">Impairment Loss Bad Debt Expenses</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ImpairmentLossBadDebtExpenses" xml:lang="en-US">Impairment loss Bad debt expenses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ImpairmentLossBadDebtExpenses" xlink:to="lab_kt_ImpairmentLossBadDebtExpenses" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ImpairmentLossBadDebtExpenses" xml:lang="en-US">Impairment Loss Bad Debt Expenses.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xml:lang="en-US">Disclosure of maturity analysis for non-derivative financial liabilities [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows" xlink:label="loc_ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows" xml:lang="en-US">Trade and other payables, undiscounted cash flows</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows" xml:lang="en-US">Trade and other payables</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows" xlink:to="lab_ifrs-full_TradeAndOtherPayablesUndiscountedCashFlows" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BankBorrowingsUndiscountedCashFlows" xlink:label="loc_ifrs-full_BankBorrowingsUndiscountedCashFlows" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BankBorrowingsUndiscountedCashFlows" xml:lang="en-US">Bank borrowings, undiscounted cash flows</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_BankBorrowingsUndiscountedCashFlows" xml:lang="en-US">Borrowings (including debentures)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BankBorrowingsUndiscountedCashFlows" xlink:to="lab_ifrs-full_BankBorrowingsUndiscountedCashFlows" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherNonderivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:label="loc_kt_OtherNonderivativeFinancialLiabilitiesUndiscountedCashFlows" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherNonderivativeFinancialLiabilitiesUndiscountedCashFlows" xml:lang="en-US">Other non-derivative financial liabilities undiscounted cash flows</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherNonderivativeFinancialLiabilitiesUndiscountedCashFlows" xml:lang="en-US">Other non-derivative financial liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherNonderivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:to="lab_kt_OtherNonderivativeFinancialLiabilitiesUndiscountedCashFlows" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherNonderivativeFinancialLiabilitiesUndiscountedCashFlows" xml:lang="en-US">Other non-derivative financial liabilities undiscounted cash flows.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_FinancialGuaranteeLiabilitiesUndiscountedCashFlows" xlink:label="loc_kt_FinancialGuaranteeLiabilitiesUndiscountedCashFlows" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_FinancialGuaranteeLiabilitiesUndiscountedCashFlows" xml:lang="en-US">Financial guarantee liabilities undiscounted cash flows</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_FinancialGuaranteeLiabilitiesUndiscountedCashFlows" xml:lang="en-US">Financial guarantee contracts</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_FinancialGuaranteeLiabilitiesUndiscountedCashFlows" xlink:to="lab_kt_FinancialGuaranteeLiabilitiesUndiscountedCashFlows" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_FinancialGuaranteeLiabilitiesUndiscountedCashFlows" xml:lang="en-US">Financial guarantee liabilities undiscounted cash flows</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:label="loc_ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" xml:lang="en-US">Non-derivative financial liabilities, undiscounted cash flows</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" xlink:to="lab_ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GrossLeaseLiabilities" xlink:label="loc_ifrs-full_GrossLeaseLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GrossLeaseLiabilities" xml:lang="en-US">Gross lease liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GrossLeaseLiabilities" xml:lang="en-US">Lease liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossLeaseLiabilities" xlink:to="lab_ifrs-full_GrossLeaseLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativesHeldForTradingAbstract" xlink:label="loc_kt_DerivativesHeldForTradingAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativesHeldForTradingAbstract" xml:lang="en-US">Derivatives Held For Trading [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_DerivativesHeldForTradingAbstract" xml:lang="en-US">Derivatives held for trading</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativesHeldForTradingAbstract" xlink:to="lab_kt_DerivativesHeldForTradingAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativesHeldForTradingAbstract" xml:lang="en-US">Derivatives held for trading.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashOutflow" xlink:label="loc_kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashOutflow" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashOutflow" xml:lang="en-US">Derivatives Held For Trading Or Net Undiscounted Contractual Cash Outflow</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashOutflow" xml:lang="en-US">Outflows</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashOutflow" xlink:to="lab_kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashOutflow" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashOutflow" xml:lang="en-US">Derivatives held for trading or net undiscounted contractual cash outflow.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashInFlow" xlink:label="loc_kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashInFlow" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashInFlow" xml:lang="en-US">Derivatives Held For Trading Or Net Undiscounted Contractual Cash In flow</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashInFlow" xml:lang="en-US">Inflow</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashInFlow" xlink:to="lab_kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashInFlow" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativesHeldForTradingOrNetUndiscountedContractualCashInFlow" xml:lang="en-US">Derivatives Held For Trading Or Net Undiscounted Contractual Cash In flow.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativesSettledGrossAbstract" xlink:label="loc_kt_DerivativesSettledGrossAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativesSettledGrossAbstract" xml:lang="en-US">Derivatives Settled Gross [Abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_kt_DerivativesSettledGrossAbstract" xml:lang="en-US">Derivatives settled gross</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativesSettledGrossAbstract" xlink:to="lab_kt_DerivativesSettledGrossAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativesSettledGrossAbstract" xml:lang="en-US">Derivatives settled gross.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativesSettledGrossOrNetUndiscountedContractualCashOutflow" xlink:label="loc_kt_DerivativesSettledGrossOrNetUndiscountedContractualCashOutflow" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativesSettledGrossOrNetUndiscountedContractualCashOutflow" xml:lang="en-US">Derivatives settled gross or net undiscounted contractual cash outflow</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DerivativesSettledGrossOrNetUndiscountedContractualCashOutflow" xml:lang="en-US">Outflow</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativesSettledGrossOrNetUndiscountedContractualCashOutflow" xlink:to="lab_kt_DerivativesSettledGrossOrNetUndiscountedContractualCashOutflow" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativesSettledGrossOrNetUndiscountedContractualCashOutflow" xml:lang="en-US">Derivatives settled gross or net undiscounted contractual cash outflow.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativesSettledGrossOrNetUndiscountedContractualCashInflow" xlink:label="loc_kt_DerivativesSettledGrossOrNetUndiscountedContractualCashInflow" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativesSettledGrossOrNetUndiscountedContractualCashInflow" xml:lang="en-US">Derivatives settled gross or net undiscounted contractual cash inflow</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DerivativesSettledGrossOrNetUndiscountedContractualCashInflow" xml:lang="en-US">Inflow</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativesSettledGrossOrNetUndiscountedContractualCashInflow" xlink:to="lab_kt_DerivativesSettledGrossOrNetUndiscountedContractualCashInflow" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativesSettledGrossOrNetUndiscountedContractualCashInflow" xml:lang="en-US">Derivatives settled gross or net undiscounted contractual cash inflow.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DebtToEquityRatio" xlink:label="loc_kt_DebtToEquityRatio" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DebtToEquityRatio" xml:lang="en-US">Debt to equity ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DebtToEquityRatio" xml:lang="en-US">Debt-to-equity ratio</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DebtToEquityRatio" xlink:to="lab_kt_DebtToEquityRatio" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DebtToEquityRatio" xml:lang="en-US">Debt to equity ratio.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherBorrowings" xlink:label="loc_ifrs-full_OtherBorrowings" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_OtherBorrowings" xml:lang="en-US">Other borrowings</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_OtherBorrowings" xml:lang="en-US">Total borrowings</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherBorrowings" xlink:to="lab_ifrs-full_OtherBorrowings" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetDebt" xlink:label="loc_ifrs-full_NetDebt" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NetDebt" xml:lang="en-US">Net debt</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_NetDebt" xml:lang="en-US">Net debt</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDebt" xlink:to="lab_ifrs-full_NetDebt" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_Capital1" xlink:label="loc_kt_Capital1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_Capital1" xml:lang="en-US">Capital1</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_Capital1" xml:lang="en-US">Total capital</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_Capital1" xlink:to="lab_kt_Capital1" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_Capital1" xml:lang="en-US">The amount of total capital as defined in the regulations.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_GearingRatio" xlink:label="loc_kt_GearingRatio" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_GearingRatio" xml:lang="en-US">Gearing ratio</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_GearingRatio" xml:lang="en-US">Gearing ratio</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_GearingRatio" xlink:to="lab_kt_GearingRatio" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_GearingRatio" xml:lang="en-US">This ratio is calculated as net debt divided by total capital. Net debt is calculated as total borrowings less cash and cash equivalents. Total capital is calculated as "equity" in the statement of financial position plus net debt.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOffsettingOfFinancialAssetsAbstract" xlink:label="loc_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsAbstract" xml:lang="en-US">Disclosure of offsetting of financial assets [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsAbstract" xlink:to="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" xlink:label="loc_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" xml:lang="en-US">Disclosure of offsetting of financial assets [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" xml:lang="en-US">Disclosure of offsetting of financial assets [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" xlink:to="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherFinancialAssetsMember" xlink:label="loc_kt_OtherFinancialAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherFinancialAssetsMember" xml:lang="en-US">Other Financial Assets [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherFinancialAssetsMember" xml:lang="en-US">Other financial assets [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherFinancialAssetsMember" xlink:to="lab_kt_OtherFinancialAssetsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherFinancialAssetsMember" xml:lang="en-US">Other financial assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems" xlink:label="loc_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems" xml:lang="en-US">Disclosure of offsetting of financial assets [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems" xml:lang="en-US">Disclosure of offsetting of financial assets [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:label="loc_ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xml:lang="en-US">Gross financial assets subject to offsetting, enforceable master netting arrangements or similar agreements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xml:lang="en-US">Gross assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="lab_ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:label="loc_ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xml:lang="en-US">Gross financial liabilities set off against financial assets subject to offsetting, enforceable master netting arrangements or similar agreements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xml:lang="en-US">Gross liabilities offset</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="lab_ifrs-full_GrossFinancialLiabilitiesSetOffAgainstFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xlink:label="loc_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xml:lang="en-US">Net financial assets subject to offsetting, enforceable master netting arrangements or similar agreements in statement of financial position</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xml:lang="en-US">Net amounts presented in the statement of financial position</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xlink:to="lab_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets" xlink:label="loc_ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets" xml:lang="en-US">Financial instruments subject to enforceable master netting arrangement or similar agreement not set off against financial assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets" xml:lang="en-US">Amounts not offset, Financial instruments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets" xlink:to="lab_ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:label="loc_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xml:lang="en-US">Net financial assets subject to offsetting, enforceable master netting arrangements or similar agreements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xml:lang="en-US">Net amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="lab_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesAbstract" xlink:label="loc_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesAbstract" xml:lang="en-US">Disclosure of offsetting of financial liabilities [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesTable" xlink:label="loc_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesTable" xml:lang="en-US">Disclosure of offsetting of financial liabilities [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesTable" xml:lang="en-US">Disclosure of offsetting of financial liabilities [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesTable" xlink:to="lab_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesTable" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherFinancialLiabilitiyMember" xlink:label="loc_kt_OtherFinancialLiabilitiyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherFinancialLiabilitiyMember" xml:lang="en-US">Other financial liabilitiy [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherFinancialLiabilitiyMember" xml:lang="en-US">Other [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherFinancialLiabilitiyMember" xlink:to="lab_kt_OtherFinancialLiabilitiyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherFinancialLiabilitiyMember" xml:lang="en-US">Other financial liabilitiy.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesLineItems" xlink:label="loc_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesLineItems" xml:lang="en-US">Disclosure of offsetting of financial liabilities [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesLineItems" xml:lang="en-US">Disclosure of offsetting of financial liabilities [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfOffsettingOfFinancialLiabilitiesLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:label="loc_ifrs-full_GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xml:lang="en-US">Gross financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xml:lang="en-US">Gross liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="lab_ifrs-full_GrossFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:label="loc_ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xml:lang="en-US">Gross financial assets set off against financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xml:lang="en-US">Gross assets offset</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="lab_ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xlink:label="loc_ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xml:lang="en-US">Net financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements in statement of financial position</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xml:lang="en-US">Net amounts presented in the statement of financial position</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xlink:to="lab_ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities" xlink:label="loc_ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities" xml:lang="en-US">Financial instruments subject to enforceable master netting arrangement or similar agreement not set off against financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities" xml:lang="en-US">Amounts not offset, Financial instruments</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities" xlink:to="lab_ifrs-full_FinancialInstrumentsSubjectToEnforceableMasterNettingArrangementOrSimilarAgreementNotSetOffAgainstFinancialLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:label="loc_ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xml:lang="en-US">Net financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xml:lang="en-US">Net amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="lab_ifrs-full_NetFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialGuaranteeContractsMember" xlink:label="loc_ifrs-full_FinancialGuaranteeContractsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialGuaranteeContractsMember" xml:lang="en-US">Financial guarantee contracts [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialGuaranteeContractsMember" xlink:to="lab_ifrs-full_FinancialGuaranteeContractsMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CashAndCashEquivalentMember" xlink:label="loc_kt_CashAndCashEquivalentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CashAndCashEquivalentMember" xml:lang="en-US">Cash and Cash Equivalent [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_CashAndCashEquivalentMember" xml:lang="en-US">Cash and cash equivalents [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CashAndCashEquivalentMember" xlink:to="lab_kt_CashAndCashEquivalentMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CashAndCashEquivalentMember" xml:lang="en-US">Cash and Cash Equivalent [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TradeAndOtherPayableMember" xlink:label="loc_kt_TradeAndOtherPayableMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TradeAndOtherPayableMember" xml:lang="en-US">Trade and Other Payable [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TradeAndOtherPayableMember" xml:lang="en-US">Trade and other payables [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TradeAndOtherPayableMember" xlink:to="lab_kt_TradeAndOtherPayableMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TradeAndOtherPayableMember" xml:lang="en-US">Trade and Other Payable</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xml:lang="en-US">Financial liabilities at amortised cost, class [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xml:lang="en-US">Financial liabilities at amortized cost [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativesFinancialLiabilitiesForHedgingMember" xlink:label="loc_kt_DerivativesFinancialLiabilitiesForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativesFinancialLiabilitiesForHedgingMember" xml:lang="en-US">Derivatives financial liabilities for hedging [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DerivativesFinancialLiabilitiesForHedgingMember" xml:lang="en-US">Derivative financial liabilities for hedging purpose [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativesFinancialLiabilitiesForHedgingMember" xlink:to="lab_kt_DerivativesFinancialLiabilitiesForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativesFinancialLiabilitiesForHedgingMember" xml:lang="en-US">Derivatives financial liabilities for hedging.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MeasurementAxis" xlink:label="loc_ifrs-full_MeasurementAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MeasurementAxis" xml:lang="en-US">Measurement [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MeasurementAxis" xml:lang="en-US">Measurement [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MeasurementAxis" xlink:to="lab_ifrs-full_MeasurementAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MeasurementDomain" xlink:label="loc_ifrs-full_MeasurementDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MeasurementDomain" xml:lang="en-US">Measurement [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MeasurementDomain" xml:lang="en-US">Aggregated measurement [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MeasurementDomain" xlink:to="lab_ifrs-full_MeasurementDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AtFairValueMember" xlink:label="loc_ifrs-full_AtFairValueMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_AtFairValueMember" xml:lang="en-US">At fair value [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_AtFairValueMember" xml:lang="en-US">Fair value [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AtFairValueMember" xlink:to="lab_ifrs-full_AtFairValueMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherFinancialAssetsAtFairValueThroughProfitOrLossMember" xlink:label="loc_kt_OtherFinancialAssetsAtFairValueThroughProfitOrLossMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherFinancialAssetsAtFairValueThroughProfitOrLossMember" xml:lang="en-US">Other financial assets at fair value through profit or loss [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherFinancialAssetsAtFairValueThroughProfitOrLossMember" xml:lang="en-US">Financial assets at fair value through profit or loss [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherFinancialAssetsAtFairValueThroughProfitOrLossMember" xlink:to="lab_kt_OtherFinancialAssetsAtFairValueThroughProfitOrLossMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherFinancialAssetsAtFairValueThroughProfitOrLossMember" xml:lang="en-US">Other financial assets at fair value through profit or loss.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherDerivativeFinancialAssetsForHedgingMember" xlink:label="loc_kt_OtherDerivativeFinancialAssetsForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherDerivativeFinancialAssetsForHedgingMember" xml:lang="en-US">Other derivative financial assets for hedging [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherDerivativeFinancialAssetsForHedgingMember" xml:lang="en-US">Derivative financial assets for hedging [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherDerivativeFinancialAssetsForHedgingMember" xlink:to="lab_kt_OtherDerivativeFinancialAssetsForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherDerivativeFinancialAssetsForHedgingMember" xml:lang="en-US">Other derivative financial assets for hedging.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_InvestmentPropertiesMember" xlink:label="loc_kt_InvestmentPropertiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_InvestmentPropertiesMember" xml:lang="en-US">Investment Properties [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_InvestmentPropertiesMember" xml:lang="en-US">Investment Properties [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_InvestmentPropertiesMember" xlink:to="lab_kt_InvestmentPropertiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_InvestmentPropertiesMember" xml:lang="en-US">Investment properties.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherFinancialLiabilitiesAtFairValueThroughProfitOrLossMember" xlink:label="loc_kt_OtherFinancialLiabilitiesAtFairValueThroughProfitOrLossMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherFinancialLiabilitiesAtFairValueThroughProfitOrLossMember" xml:lang="en-US">Other financial liabilities at fair value through profit or loss [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherFinancialLiabilitiesAtFairValueThroughProfitOrLossMember" xml:lang="en-US">Other financial liabilities at fair value through profit or loss [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherFinancialLiabilitiesAtFairValueThroughProfitOrLossMember" xlink:to="lab_kt_OtherFinancialLiabilitiesAtFairValueThroughProfitOrLossMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherFinancialLiabilitiesAtFairValueThroughProfitOrLossMember" xml:lang="en-US">Other financial liabilities at fair value through profit or loss</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherDerivativeFinancialLiabilitiesForHedgingMember" xlink:label="loc_kt_OtherDerivativeFinancialLiabilitiesForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherDerivativeFinancialLiabilitiesForHedgingMember" xml:lang="en-US">Other derivative financial liabilities for hedging [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherDerivativeFinancialLiabilitiesForHedgingMember" xml:lang="en-US">Derivative financial liabilities for hedging purpose [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherDerivativeFinancialLiabilitiesForHedgingMember" xlink:to="lab_kt_OtherDerivativeFinancialLiabilitiesForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherDerivativeFinancialLiabilitiesForHedgingMember" xml:lang="en-US">Other derivative financial liabilities for hedging.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BorrowingMember" xlink:label="loc_kt_BorrowingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BorrowingMember" xml:lang="en-US">Borrowing [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BorrowingMember" xlink:to="lab_kt_BorrowingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BorrowingMember" xml:lang="en-US">Borrowings.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentFinancialAssets" xlink:label="loc_ifrs-full_NoncurrentFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentFinancialAssets" xml:lang="en-US">Non-current financial assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentFinancialAssets" xml:lang="en-US">Non financial assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentFinancialAssets" xlink:to="lab_ifrs-full_NoncurrentFinancialAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentFinancialLiabilities" xlink:label="loc_ifrs-full_NoncurrentFinancialLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_NoncurrentFinancialLiabilities" xml:lang="en-US">Non-current financial liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_NoncurrentFinancialLiabilities" xml:lang="en-US">Non financial liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentFinancialLiabilities" xlink:to="lab_ifrs-full_NoncurrentFinancialLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xml:lang="en-US">Levels of fair value hierarchy [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xml:lang="en-US">Levels of fair value hierarchy [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:label="loc_ifrs-full_LevelsOfFairValueHierarchyDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xml:lang="en-US">Levels of fair value hierarchy [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xml:lang="en-US">All levels of fair value hierarchy [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Level1OfFairValueHierarchyMember" xlink:label="loc_ifrs-full_Level1OfFairValueHierarchyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xml:lang="en-US">Level 1 of fair value hierarchy [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xml:lang="en-US">Level 1 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level1OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level1OfFairValueHierarchyMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Level2OfFairValueHierarchyMember" xlink:label="loc_ifrs-full_Level2OfFairValueHierarchyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xml:lang="en-US">Level 2 of fair value hierarchy [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xml:lang="en-US">Level 2 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level2OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level2OfFairValueHierarchyMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember" xlink:label="loc_ifrs-full_Level3OfFairValueHierarchyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xml:lang="en-US">Level 3 of fair value hierarchy [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xml:lang="en-US">Level 3 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level3OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level3OfFairValueHierarchyMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="loc_ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xml:lang="en-US">Classes of financial liabilities [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xml:lang="en-US">Classes of financial liabilities [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:label="loc_ifrs-full_ClassesOfFinancialLiabilitiesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xml:lang="en-US">Classes of financial liabilities [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xml:lang="en-US">Financial liabilities, class [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchasesFairValueMeasurementAssets" xlink:label="loc_ifrs-full_PurchasesFairValueMeasurementAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PurchasesFairValueMeasurementAssets" xml:lang="en-US">Purchases, fair value measurement, assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_PurchasesFairValueMeasurementAssets" xml:lang="en-US">Purchases</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchasesFairValueMeasurementAssets" xlink:to="lab_ifrs-full_PurchasesFairValueMeasurementAssets" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ReclassificationFairValueMeasurementAssets" xlink:label="loc_kt_ReclassificationFairValueMeasurementAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ReclassificationFairValueMeasurementAssets" xml:lang="en-US">Reclassification Fair Value Measurement Assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ReclassificationFairValueMeasurementAssets" xml:lang="en-US">Reclassification</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ReclassificationFairValueMeasurementAssets" xlink:to="lab_kt_ReclassificationFairValueMeasurementAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ReclassificationFairValueMeasurementAssets" xml:lang="en-US">Reclassification Fair Value Measurement Assets</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ChangesInScopeOfConsolidationFairValueMeasurementAssets" xlink:label="loc_kt_ChangesInScopeOfConsolidationFairValueMeasurementAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ChangesInScopeOfConsolidationFairValueMeasurementAssets" xml:lang="en-US">Changes in scope of consolidation fair value measurement assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ChangesInScopeOfConsolidationFairValueMeasurementAssets" xml:lang="en-US">Acquisition and disposition of businesses</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ChangesInScopeOfConsolidationFairValueMeasurementAssets" xlink:to="lab_kt_ChangesInScopeOfConsolidationFairValueMeasurementAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ChangesInScopeOfConsolidationFairValueMeasurementAssets" xml:lang="en-US">Changes in scope of consolidation fair value measurement assets.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SalesFairValueMeasurementAssets" xlink:label="loc_ifrs-full_SalesFairValueMeasurementAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SalesFairValueMeasurementAssets" xml:lang="en-US">Sales, fair value measurement, assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_SalesFairValueMeasurementAssets" xml:lang="en-US">Disposal</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SalesFairValueMeasurementAssets" xlink:to="lab_ifrs-full_SalesFairValueMeasurementAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:label="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xml:lang="en-US">Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xml:lang="en-US">Amount recognized in profit or loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:to="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" xlink:label="loc_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" xml:lang="en-US">Gains (losses) recognised in other comprehensive income including exchange differences, fair value measurement, assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" xml:lang="en-US">Amount recognized in other comprehensive income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" xlink:to="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchasesFairValueMeasurementLiabilities" xlink:label="loc_ifrs-full_PurchasesFairValueMeasurementLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_PurchasesFairValueMeasurementLiabilities" xml:lang="en-US">Purchases, fair value measurement, liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_PurchasesFairValueMeasurementLiabilities" xml:lang="en-US">Purchases</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchasesFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_PurchasesFairValueMeasurementLiabilities" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ReclassificationFairValueMeasurementLiabilities" xlink:label="loc_kt_ReclassificationFairValueMeasurementLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ReclassificationFairValueMeasurementLiabilities" xml:lang="en-US">Reclassification fair value measurement, liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_ReclassificationFairValueMeasurementLiabilities" xml:lang="en-US">Reclassification</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ReclassificationFairValueMeasurementLiabilities" xlink:to="lab_kt_ReclassificationFairValueMeasurementLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ReclassificationFairValueMeasurementLiabilities" xml:lang="en-US">Reclassification fair value measurement, liabilities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SalesFairValueMeasurementLiabilities" xlink:label="loc_ifrs-full_SalesFairValueMeasurementLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SalesFairValueMeasurementLiabilities" xml:lang="en-US">Sales, fair value measurement, liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_SalesFairValueMeasurementLiabilities" xml:lang="en-US">Disposal</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SalesFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_SalesFairValueMeasurementLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:label="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xml:lang="en-US">Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xml:lang="en-US">Amount recognized in profit or loss</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities" xlink:label="loc_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities" xml:lang="en-US">Gains (losses) recognised in other comprehensive income including exchange differences, fair value measurement, liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities" xml:lang="en-US">Amount recognized in other comprehensive income</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RecurringFairValueMeasurementMember" xlink:label="loc_ifrs-full_RecurringFairValueMeasurementMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_RecurringFairValueMeasurementMember" xml:lang="en-US">Recurring fair value measurement [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_RecurringFairValueMeasurementMember" xml:lang="en-US">Recurring fair value measurement [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RecurringFairValueMeasurementMember" xlink:to="lab_ifrs-full_RecurringFairValueMeasurementMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TradesAndOtherReceivablesMember" xlink:label="loc_kt_TradesAndOtherReceivablesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TradesAndOtherReceivablesMember" xml:lang="en-US">Trades and other receivables [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_TradesAndOtherReceivablesMember" xml:lang="en-US">Trades and other receivables [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TradesAndOtherReceivablesMember" xlink:to="lab_kt_TradesAndOtherReceivablesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_TradesAndOtherReceivablesMember" xml:lang="en-US">Trades and other receivables [member]</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherFinancialAssetsAbstract" xlink:label="loc_kt_OtherFinancialAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherFinancialAssetsAbstract" xml:lang="en-US">Other Financial Assets [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherFinancialAssetsAbstract" xml:lang="en-US">Other financial assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherFinancialAssetsAbstract" xlink:to="lab_kt_OtherFinancialAssetsAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherFinancialAssetsAbstract" xml:lang="en-US">Other financial assets.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherFinancialLiabilitiesAbstract" xlink:label="loc_kt_OtherFinancialLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherFinancialLiabilitiesAbstract" xml:lang="en-US">Other Financial Liabilities [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherFinancialLiabilitiesAbstract" xml:lang="en-US">Other financial liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherFinancialLiabilitiesAbstract" xlink:to="lab_kt_OtherFinancialLiabilitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherFinancialLiabilitiesAbstract" xml:lang="en-US">Other financial liabilities.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfValuationTechniquesUsedInFairValueMeasurementAssets" xlink:label="loc_ifrs-full_DescriptionOfValuationTechniquesUsedInFairValueMeasurementAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfValuationTechniquesUsedInFairValueMeasurementAssets" xml:lang="en-US">Description of valuation techniques used in fair value measurement, assets</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfValuationTechniquesUsedInFairValueMeasurementAssets" xml:lang="en-US">Valuation techniques</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfValuationTechniquesUsedInFairValueMeasurementAssets" xlink:to="lab_ifrs-full_DescriptionOfValuationTechniquesUsedInFairValueMeasurementAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfValuationTechniquesUsedInFairValueMeasurementLiabilities" xlink:label="loc_ifrs-full_DescriptionOfValuationTechniquesUsedInFairValueMeasurementLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfValuationTechniquesUsedInFairValueMeasurementLiabilities" xml:lang="en-US">Description of valuation techniques used in fair value measurement, liabilities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DescriptionOfValuationTechniquesUsedInFairValueMeasurementLiabilities" xml:lang="en-US">Valuation techniques</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfValuationTechniquesUsedInFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_DescriptionOfValuationTechniquesUsedInFairValueMeasurementLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfInputsUsedInFairValueMeasurementAssets" xlink:label="loc_ifrs-full_DescriptionOfInputsUsedInFairValueMeasurementAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfInputsUsedInFairValueMeasurementAssets" xml:lang="en-US">Description of inputs used in fair value measurement, assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfInputsUsedInFairValueMeasurementAssets" xlink:to="lab_ifrs-full_DescriptionOfInputsUsedInFairValueMeasurementAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfInputsUsedInFairValueMeasurementLiabilities" xlink:label="loc_ifrs-full_DescriptionOfInputsUsedInFairValueMeasurementLiabilities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DescriptionOfInputsUsedInFairValueMeasurementLiabilities" xml:lang="en-US">Description of inputs used in fair value measurement, liabilities</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfInputsUsedInFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_DescriptionOfInputsUsedInFairValueMeasurementLiabilities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Level2And3OfFairValueHierarchyMember" xlink:label="loc_ifrs-full_Level2And3OfFairValueHierarchyMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_Level2And3OfFairValueHierarchyMember" xml:lang="en-US">Level 2 and 3 of fair value hierarchy [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_Level2And3OfFairValueHierarchyMember" xml:lang="en-US">Level 2, 3 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level2And3OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level2And3OfFairValueHierarchyMember" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DerivativeFinancialLiabilitiesHeldForHedgingMember" xlink:label="loc_kt_DerivativeFinancialLiabilitiesHeldForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DerivativeFinancialLiabilitiesHeldForHedgingMember" xml:lang="en-US">Derivative Financial Liabilities Held For Hedging [Member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_DerivativeFinancialLiabilitiesHeldForHedgingMember" xml:lang="en-US">Derivative financial liabilities for hedging [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DerivativeFinancialLiabilitiesHeldForHedgingMember" xlink:to="lab_kt_DerivativeFinancialLiabilitiesHeldForHedgingMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DerivativeFinancialLiabilitiesHeldForHedgingMember" xml:lang="en-US">Derivative Financial Liabilities Held For Hedging.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesAbstract" xlink:label="loc_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesAbstract" xml:lang="en-US">Disclosure of unconsolidated structured entities [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesTable" xlink:label="loc_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesTable" xml:lang="en-US">Disclosure of unconsolidated structured entities [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesTable" xml:lang="en-US">Disclosure of unconsolidated structured entities [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesTable" xlink:to="lab_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesTable" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesLineItems" xlink:label="loc_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesLineItems" xml:lang="en-US">Disclosure of unconsolidated structured entities [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesLineItems" xml:lang="en-US">Disclosure of unconsolidated structured entities [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesLineItems" xlink:to="lab_ifrs-full_DisclosureOfUnconsolidatedStructuredEntitiesLineItems" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaximumExposureToLossFromInterestsInStructuredEntities" xlink:label="loc_ifrs-full_MaximumExposureToLossFromInterestsInStructuredEntities" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MaximumExposureToLossFromInterestsInStructuredEntities" xml:lang="en-US">Maximum exposure to loss from interests in structured entities</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MaximumExposureToLossFromInterestsInStructuredEntities" xml:lang="en-US">Maximum loss exposure Investment assets</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaximumExposureToLossFromInterestsInStructuredEntities" xlink:to="lab_ifrs-full_MaximumExposureToLossFromInterestsInStructuredEntities" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SupportProvidedToStructuredEntityWithoutHavingContractualObligationToDoSo" xlink:label="loc_ifrs-full_SupportProvidedToStructuredEntityWithoutHavingContractualObligationToDoSo" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_SupportProvidedToStructuredEntityWithoutHavingContractualObligationToDoSo" xml:lang="en-US">Support provided to structured entity without having contractual obligation to do so</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_SupportProvidedToStructuredEntityWithoutHavingContractualObligationToDoSo" xml:lang="en-US">Investment agreement and others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SupportProvidedToStructuredEntityWithoutHavingContractualObligationToDoSo" xlink:to="lab_ifrs-full_SupportProvidedToStructuredEntityWithoutHavingContractualObligationToDoSo" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaximumExposureToCreditRiskOfFinancialAssets" xlink:label="loc_ifrs-full_MaximumExposureToCreditRiskOfFinancialAssets" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_MaximumExposureToCreditRiskOfFinancialAssets" xml:lang="en-US">Maximum exposure to credit risk of financial assets designated as measured at fair value through profit or loss</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_MaximumExposureToCreditRiskOfFinancialAssets" xml:lang="en-US">Total</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaximumExposureToCreditRiskOfFinancialAssets" xlink:to="lab_ifrs-full_MaximumExposureToCreditRiskOfFinancialAssets" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UnconsolidatedStructuredEntitiesAxis" xlink:label="loc_ifrs-full_UnconsolidatedStructuredEntitiesAxis" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_UnconsolidatedStructuredEntitiesAxis" xml:lang="en-US">Unconsolidated structured entities [axis]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_UnconsolidatedStructuredEntitiesAxis" xml:lang="en-US">Unconsolidated structured entities [axis]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnconsolidatedStructuredEntitiesAxis" xlink:to="lab_ifrs-full_UnconsolidatedStructuredEntitiesAxis" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UnconsolidatedStructuredEntitiesDomain" xlink:label="loc_ifrs-full_UnconsolidatedStructuredEntitiesDomain" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_UnconsolidatedStructuredEntitiesDomain" xml:lang="en-US">Unconsolidated structured entities [domain]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_UnconsolidatedStructuredEntitiesDomain" xml:lang="en-US">Entity's total for unconsolidated structured entities [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnconsolidatedStructuredEntitiesDomain" xlink:to="lab_ifrs-full_UnconsolidatedStructuredEntitiesDomain" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_RealEstateFinanceMember" xlink:label="loc_kt_RealEstateFinanceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_RealEstateFinanceMember" xml:lang="en-US">Real Estate Finance [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_RealEstateFinanceMember" xml:lang="en-US">Real Estate Finance [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_RealEstateFinanceMember" xlink:to="lab_kt_RealEstateFinanceMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_RealEstateFinanceMember" xml:lang="en-US">Real estate finance.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentFundsMember" xlink:label="loc_ifrs-full_InvestmentFundsMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_InvestmentFundsMember" xml:lang="en-US">Investment funds [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_InvestmentFundsMember" xml:lang="en-US">PEF and Investment Funds [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentFundsMember" xlink:to="lab_ifrs-full_InvestmentFundsMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UnconsolidatedStructuredEntitiesMember" xlink:label="loc_ifrs-full_UnconsolidatedStructuredEntitiesMember" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_UnconsolidatedStructuredEntitiesMember" xml:lang="en-US">Unconsolidated structured entities [member]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_UnconsolidatedStructuredEntitiesMember" xml:lang="en-US">Unconsolidated structured entities [member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnconsolidatedStructuredEntitiesMember" xlink:to="lab_ifrs-full_UnconsolidatedStructuredEntitiesMember" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" xlink:label="loc_ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" xml:lang="en-US">Proportion of ownership interests held by non-controlling interests</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" xml:lang="en-US">Non-controlling Interests rate(%)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" xlink:to="lab_ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsPaidToNoncontrollingInterests" xlink:label="loc_ifrs-full_DividendsPaidToNoncontrollingInterests" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DividendsPaidToNoncontrollingInterests" xml:lang="en-US">Dividends paid to non-controlling interests</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_ifrs-full_DividendsPaidToNoncontrollingInterests" xml:lang="en-US">Dividends paid to non-controlling interests</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsPaidToNoncontrollingInterests" xlink:to="lab_ifrs-full_DividendsPaidToNoncontrollingInterests" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_OtherChangesInAccumulatedNonControllingInterests" xlink:label="loc_kt_OtherChangesInAccumulatedNonControllingInterests" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_OtherChangesInAccumulatedNonControllingInterests" xml:lang="en-US">Other changes in accumulated non controlling interests</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_OtherChangesInAccumulatedNonControllingInterests" xml:lang="en-US">Others</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_OtherChangesInAccumulatedNonControllingInterests" xlink:to="lab_kt_OtherChangesInAccumulatedNonControllingInterests" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_OtherChangesInAccumulatedNonControllingInterests" xml:lang="en-US">Other changes in accumulated non controlling interests.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesTable" xlink:label="loc_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesTable" xml:lang="en-US">Disclosure of Summarized Consolidated Statements of Comprehensive Income of Subsidiaries [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesTable" xlink:to="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesTable" xml:lang="en-US">Disclosure of summarized consolidated statements of comprehensive income of subsidiaries.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesLineItems" xlink:label="loc_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesLineItems" xml:lang="en-US">Disclosure of Summarized Consolidated Statements of Comprehensive Income of Subsidiaries [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesLineItems" xlink:to="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfComprehensiveIncomeOfSubsidiariesLineItems" xml:lang="en-US">Disclosure of summarized consolidated statements of comprehensive income of subsidiaries.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesTable" xlink:label="loc_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesTable" xml:lang="en-US">Disclosure of Summarized Consolidated Statements of Cash Flows of Subsidiaries [Table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesTable" xlink:to="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesTable" xml:lang="en-US">Disclosure of summarized consolidated statements of cash flows of subsidiaries.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesLineItems" xlink:label="loc_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesLineItems" xml:lang="en-US">Disclosure of Summarized Consolidated Statements of Cash Flows of Subsidiaries [Line Items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesLineItems" xlink:to="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_DisclosureOfSummarizedConsolidatedStatementsOfCashFlowsOfSubsidiariesLineItems" xml:lang="en-US">Disclosure of summarized consolidated statements of cash flows of subsidiaries.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_CarryingAmountOfNoncontrollingInterestsAcquired" xlink:label="loc_kt_CarryingAmountOfNoncontrollingInterestsAcquired" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_CarryingAmountOfNoncontrollingInterestsAcquired" xml:lang="en-US">Carrying Amount Of Noncontrolling Interests Acquired</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_kt_CarryingAmountOfNoncontrollingInterestsAcquired" xml:lang="en-US">Carrying amount of non-controlling interests acquired</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_CarryingAmountOfNoncontrollingInterestsAcquired" xlink:to="lab_kt_CarryingAmountOfNoncontrollingInterestsAcquired" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_CarryingAmountOfNoncontrollingInterestsAcquired" xml:lang="en-US">Carrying amount of non-controlling interests acquired</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_ConsiderationPaidToNoncontrollingInterests" xlink:label="loc_kt_ConsiderationPaidToNoncontrollingInterests" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_ConsiderationPaidToNoncontrollingInterests" xml:lang="en-US">Consideration paid to non-controlling interests</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_kt_ConsiderationPaidToNoncontrollingInterests" xml:lang="en-US">Consideration paid to non-controlling interests</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_ConsiderationPaidToNoncontrollingInterests" xlink:to="lab_kt_ConsiderationPaidToNoncontrollingInterests" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_ConsiderationPaidToNoncontrollingInterests" xml:lang="en-US">Consideration paid to non-controlling interests.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_NetEffectChangesInEquity" xlink:label="loc_kt_NetEffectChangesInEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_NetEffectChangesInEquity" xml:lang="en-US">Net Effect Changes In Equity</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_NetEffectChangesInEquity" xml:lang="en-US">Effect of changes in equity (net amount)</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_NetEffectChangesInEquity" xlink:to="lab_kt_NetEffectChangesInEquity" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_NetEffectChangesInEquity" xml:lang="en-US">Net effect changes in equity.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:label="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [abstract]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [abstract]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:to="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:label="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [table]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [table]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:to="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_BondInJapaneseYen2027Member" xlink:label="loc_kt_BondInJapaneseYen2027Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_BondInJapaneseYen2027Member" xml:lang="en-US">Bond In Japanese Yen 2027 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_BondInJapaneseYen2027Member" xlink:to="lab_kt_BondInJapaneseYen2027Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_BondInJapaneseYen2027Member" xml:lang="en-US">bond in Japanese yen 2027.</label>
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_TheBondInJapaneseYen2028Member" xlink:label="loc_kt_TheBondInJapaneseYen2028Member" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_TheBondInJapaneseYen2028Member" xml:lang="en-US">The Bond In Japanese Yen 2028 [Member]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_TheBondInJapaneseYen2028Member" xlink:to="lab_kt_TheBondInJapaneseYen2028Member" />
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:label="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [line items]</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [line items]</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:to="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" />
<loc xlink:type="locator" xlink:href="kt-20241231.xsd#kt_PublicBondIssueDate" xlink:label="loc_kt_PublicBondIssueDate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_kt_PublicBondIssueDate" xml:lang="en-US">Public bond issue date</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_kt_PublicBondIssueDate" xml:lang="en-US">Issued Date</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_kt_PublicBondIssueDate" xlink:to="lab_kt_PublicBondIssueDate" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_kt_PublicBondIssueDate" xml:lang="en-US">Public bond issue date.</label>
<loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BondsIssued" xlink:label="loc_ifrs-full_BondsIssued" />
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ifrs-full_BondsIssued" xml:lang="en-US">Bonds issued</label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ifrs-full_BondsIssued" xml:lang="en-US">Carrying amount</label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BondsIssued" xlink:to="lab_ifrs-full_BondsIssued" />
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