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    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_71633CD52FEEE83428A57E2C19732A40_negatedLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount_71633CD52FEEE83428A57E2C19732A40" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Less: Debt discount</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtNoncurrent_FA053E6C8BE924389C787E2C1974FCDA_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_FA053E6C8BE924389C787E2C1974FCDA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Excluding Current Maturities</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8CF8D8424438481320D269344A7B059C_label_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8CF8D8424438481320D269344A7B059C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Table]</link:label>
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    <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_7DC0E21C61BD97C53523B4A41B00E6D6_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_7DC0E21C61BD97C53523B4A41B00E6D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income taxes</link:label>
    <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_7DC0E21C61BD97C53523B4A41B00E6D6_label_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_7DC0E21C61BD97C53523B4A41B00E6D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Income Tax Expense (Benefit)</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensation_3B254FA26B83099B8294B4A41B009D84_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_3B254FA26B83099B8294B4A41B009D84" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Payment Arrangement, Noncash Expense</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_2F9077E486D6E8CC1C4CB4A41B00143D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_88A5C50A0C1763F77598B4A41B0035C9_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_88A5C50A0C1763F77598B4A41B0035C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_88A5C50A0C1763F77598B4A41B0035C9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_88A5C50A0C1763F77598B4A41B0035C9" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_88A5C50A0C1763F77598B4A41B0035C9" xlink:type="arc" />
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4DD9C85FA5B53AEF5B52B4A41B0027E3" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4DD9C85FA5B53AEF5B52B4A41B0027E3" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireOtherProductiveAssets_F2FC0EF9420555F79EFDB4A41B005D74_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireOtherProductiveAssets_F2FC0EF9420555F79EFDB4A41B005D74" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Investments in other assets</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireOtherProductiveAssets_F2FC0EF9420555F79EFDB4A41B005D74_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireOtherProductiveAssets_F2FC0EF9420555F79EFDB4A41B005D74" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Other Productive Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireOtherProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireOtherProductiveAssets_F2FC0EF9420555F79EFDB4A41B005D74" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromSaleOfProductiveAssets_F790EC5CEF7B66ACE734B4A41B00196A_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfProductiveAssets_F790EC5CEF7B66ACE734B4A41B00196A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of assets</link:label>
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    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_AE7D318030491B7AC2FBB4A41B009D00_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_AE7D318030491B7AC2FBB4A41B009D00" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Capital expenditures</link:label>
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    <link:loc xlink:href="mchp-20200630.xsd#mchp_DebtInstrumentRedemptionPeriodSixMember" xlink:label="loc_mchp_DebtInstrumentRedemptionPeriodSixMember_BE0878EAAFA8DD879342A1D498F66EA1" xlink:type="locator" />
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