<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:a3a996c5-c3b0-409f-8416-e71bf7bcf5fd,g:338b52a4-aae4-4b74-99b5-9986fa878d33-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="simple" xlink:href="hog-20250630.xsd#CONSOLIDATEDBALANCESHEETSParenthetical"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_8cd338d4-3aea-4131-8188-6b317947859a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_bb501e85-c936-4cbe-9e3e-b1a73e1d7523" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_8cd338d4-3aea-4131-8188-6b317947859a" xlink:to="loc_us-gaap_StatementTable_bb501e85-c936-4cbe-9e3e-b1a73e1d7523" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_7fddd498-39d0-4032-a613-0b8c78f7d74a" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_bb501e85-c936-4cbe-9e3e-b1a73e1d7523" xlink:to="loc_srt_ConsolidatedEntitiesAxis_7fddd498-39d0-4032-a613-0b8c78f7d74a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_7fddd498-39d0-4032-a613-0b8c78f7d74a_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_7fddd498-39d0-4032-a613-0b8c78f7d74a" xlink:to="loc_srt_ConsolidatedEntitiesDomain_7fddd498-39d0-4032-a613-0b8c78f7d74a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_f5c097e8-f483-4f61-934c-0878cda0b164" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_7fddd498-39d0-4032-a613-0b8c78f7d74a" xlink:to="loc_srt_ConsolidatedEntitiesDomain_f5c097e8-f483-4f61-934c-0878cda0b164" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_bf414461-d366-41bd-b41d-5de7983a3b6d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_f5c097e8-f483-4f61-934c-0878cda0b164" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_bf414461-d366-41bd-b41d-5de7983a3b6d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_f922a152-f093-45db-bfd2-d4bdaeaca5fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllowanceForNotesAndLoansReceivableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8cd338d4-3aea-4131-8188-6b317947859a" xlink:to="loc_us-gaap_AllowanceForNotesAndLoansReceivableCurrent_f922a152-f093-45db-bfd2-d4bdaeaca5fa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForNotesAndLoansReceivableNoncurrent_da8d980e-d57a-40bf-b7c1-3e5b47270489" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllowanceForNotesAndLoansReceivableNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8cd338d4-3aea-4131-8188-6b317947859a" xlink:to="loc_us-gaap_AllowanceForNotesAndLoansReceivableNoncurrent_da8d980e-d57a-40bf-b7c1-3e5b47270489" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesAndLoansReceivableNetCurrent_d9e9ca68-5e27-4c86-992b-238c4aed314e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NotesAndLoansReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8cd338d4-3aea-4131-8188-6b317947859a" xlink:to="loc_us-gaap_NotesAndLoansReceivableNetCurrent_d9e9ca68-5e27-4c86-992b-238c4aed314e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_a0e3e99a-2185-43a1-949f-b074fc546e73" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8cd338d4-3aea-4131-8188-6b317947859a" xlink:to="loc_us-gaap_OtherAssetsCurrent_a0e3e99a-2185-43a1-949f-b074fc546e73" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesAndLoansReceivableNetNoncurrent_ca71fe2f-f3b1-4448-90b6-9d8133506390" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NotesAndLoansReceivableNetNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8cd338d4-3aea-4131-8188-6b317947859a" xlink:to="loc_us-gaap_NotesAndLoansReceivableNetNoncurrent_ca71fe2f-f3b1-4448-90b6-9d8133506390" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_310ea993-0d6a-4755-8e48-ce278e694be5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8cd338d4-3aea-4131-8188-6b317947859a" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_310ea993-0d6a-4755-8e48-ce278e694be5" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_d08b2b21-eff2-41be-8346-9eb4cae8ae7d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8cd338d4-3aea-4131-8188-6b317947859a" xlink:to="loc_us-gaap_LongTermDebtCurrent_d08b2b21-eff2-41be-8346-9eb4cae8ae7d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_6a814c7b-48af-421f-94f6-584f129fba2c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8cd338d4-3aea-4131-8188-6b317947859a" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_6a814c7b-48af-421f-94f6-584f129fba2c" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/CONSOLIDATEDSTATEMENTSOFSHAREHOLDERSEQUITY" xlink:type="simple" xlink:href="hog-20250630.xsd#CONSOLIDATEDSTATEMENTSOFSHAREHOLDERSEQUITY"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/CONSOLIDATEDSTATEMENTSOFSHAREHOLDERSEQUITY" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_1d47418d-f145-4a4a-b19c-44df52650515" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_2a2cd3bd-582f-47bb-872c-3af2d4c50e32" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_1d47418d-f145-4a4a-b19c-44df52650515" xlink:to="loc_us-gaap_StatementTable_2a2cd3bd-582f-47bb-872c-3af2d4c50e32" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_3af845a7-34ab-4020-b287-1d77c82fa0b2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_2a2cd3bd-582f-47bb-872c-3af2d4c50e32" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_3af845a7-34ab-4020-b287-1d77c82fa0b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_3af845a7-34ab-4020-b287-1d77c82fa0b2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_3af845a7-34ab-4020-b287-1d77c82fa0b2" xlink:to="loc_us-gaap_EquityComponentDomain_3af845a7-34ab-4020-b287-1d77c82fa0b2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_0665b461-8d5c-4a3c-bab7-0826437d61b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_3af845a7-34ab-4020-b287-1d77c82fa0b2" xlink:to="loc_us-gaap_EquityComponentDomain_0665b461-8d5c-4a3c-bab7-0826437d61b6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParentMember_ffd2d5ea-1703-4607-a707-62f37ac9cd25" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_0665b461-8d5c-4a3c-bab7-0826437d61b6" xlink:to="loc_us-gaap_ParentMember_ffd2d5ea-1703-4607-a707-62f37ac9cd25" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_8447e79a-cbd5-4c7d-88de-5971128d9fa1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_ffd2d5ea-1703-4607-a707-62f37ac9cd25" xlink:to="loc_us-gaap_CommonStockMember_8447e79a-cbd5-4c7d-88de-5971128d9fa1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_017f81cf-d0ec-4432-9300-8a8f45dd85c6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_ffd2d5ea-1703-4607-a707-62f37ac9cd25" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_017f81cf-d0ec-4432-9300-8a8f45dd85c6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_8e1618b2-2e65-4f56-8022-843110322eb6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_ffd2d5ea-1703-4607-a707-62f37ac9cd25" xlink:to="loc_us-gaap_RetainedEarningsMember_8e1618b2-2e65-4f56-8022-843110322eb6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_4789fa7b-dd67-4051-ab85-6970c8f60a23" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_ffd2d5ea-1703-4607-a707-62f37ac9cd25" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_4789fa7b-dd67-4051-ab85-6970c8f60a23" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_9ecf15aa-b822-4cbf-8ba9-afa55c4c60d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_ffd2d5ea-1703-4607-a707-62f37ac9cd25" xlink:to="loc_us-gaap_TreasuryStockCommonMember_9ecf15aa-b822-4cbf-8ba9-afa55c4c60d9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_fa141e3c-ea84-4725-acfb-d795a3e336a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_ffd2d5ea-1703-4607-a707-62f37ac9cd25" xlink:to="loc_us-gaap_NoncontrollingInterestMember_fa141e3c-ea84-4725-acfb-d795a3e336a7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d81955aa-22ac-48aa-9f99-75bb3bef7fb0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1d47418d-f145-4a4a-b19c-44df52650515" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d81955aa-22ac-48aa-9f99-75bb3bef7fb0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_aba66af2-094a-4fed-bee6-d6ef6edca725" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d81955aa-22ac-48aa-9f99-75bb3bef7fb0" xlink:to="loc_us-gaap_CommonStockSharesIssued_aba66af2-094a-4fed-bee6-d6ef6edca725" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_0da03d2f-f9c8-4f7b-b751-d784611e80a3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d81955aa-22ac-48aa-9f99-75bb3bef7fb0" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_0da03d2f-f9c8-4f7b-b751-d784611e80a3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_85513234-3fe3-47c9-97fe-406633c04e5d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d81955aa-22ac-48aa-9f99-75bb3bef7fb0" xlink:to="loc_us-gaap_ProfitLoss_85513234-3fe3-47c9-97fe-406633c04e5d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_1db454f0-aa25-4117-9531-4be4545bf489" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d81955aa-22ac-48aa-9f99-75bb3bef7fb0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_1db454f0-aa25-4117-9531-4be4545bf489" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCash_0e36f4cc-bbdc-4d49-bb56-78b3baa70eef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DividendsCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d81955aa-22ac-48aa-9f99-75bb3bef7fb0" xlink:to="loc_us-gaap_DividendsCash_0e36f4cc-bbdc-4d49-bb56-78b3baa70eef" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_5e864da7-57ac-4616-8ef6-af283a20daac" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d81955aa-22ac-48aa-9f99-75bb3bef7fb0" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_5e864da7-57ac-4616-8ef6-af283a20daac" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_b40300bf-7791-4fc4-96e1-7d13937eeb5b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d81955aa-22ac-48aa-9f99-75bb3bef7fb0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_b40300bf-7791-4fc4-96e1-7d13937eeb5b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross_fe60f7db-1208-482d-8085-5ad77c7e9b0a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d81955aa-22ac-48aa-9f99-75bb3bef7fb0" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross_fe60f7db-1208-482d-8085-5ad77c7e9b0a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_a19d59a7-172e-4e21-b191-79153d4445e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_df8ec5fe-8fda-4584-9a33-2b03552bfe57" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/RevenueScheduleofDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#RevenueScheduleofDisaggregationofRevenueDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/RevenueScheduleofDisaggregationofRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_7cf18bd7-81dc-4de6-a6e1-926c93e439ff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_d1fb8690-5807-4c22-8cff-7fc0ab362928" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_7cf18bd7-81dc-4de6-a6e1-926c93e439ff" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_d1fb8690-5807-4c22-8cff-7fc0ab362928" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_13d9709e-9188-41f4-9341-2b503a5fc67e" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_d1fb8690-5807-4c22-8cff-7fc0ab362928" xlink:to="loc_srt_ProductOrServiceAxis_13d9709e-9188-41f4-9341-2b503a5fc67e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_13d9709e-9188-41f4-9341-2b503a5fc67e_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_13d9709e-9188-41f4-9341-2b503a5fc67e" xlink:to="loc_srt_ProductsAndServicesDomain_13d9709e-9188-41f4-9341-2b503a5fc67e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_e59acb22-4c21-42b4-ba07-a16cd0ab16ff" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_13d9709e-9188-41f4-9341-2b503a5fc67e" xlink:to="loc_srt_ProductsAndServicesDomain_e59acb22-4c21-42b4-ba07-a16cd0ab16ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_MotorcyclesMember_cb54e290-fbee-4c61-8191-0d347a46f90f" xlink:href="hog-20250630.xsd#hog_MotorcyclesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e59acb22-4c21-42b4-ba07-a16cd0ab16ff" xlink:to="loc_hog_MotorcyclesMember_cb54e290-fbee-4c61-8191-0d347a46f90f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_PartsAccessoriesMember_3ecf7d27-6498-45b7-a23e-d53228e3fe37" xlink:href="hog-20250630.xsd#hog_PartsAccessoriesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e59acb22-4c21-42b4-ba07-a16cd0ab16ff" xlink:to="loc_hog_PartsAccessoriesMember_3ecf7d27-6498-45b7-a23e-d53228e3fe37" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_ApparelMember_92d7cb1d-98c5-4421-9f36-913b61061579" xlink:href="hog-20250630.xsd#hog_ApparelMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e59acb22-4c21-42b4-ba07-a16cd0ab16ff" xlink:to="loc_hog_ApparelMember_92d7cb1d-98c5-4421-9f36-913b61061579" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_LicensingMember_f5dc965f-94ba-47ed-860f-3b85b4f24de8" xlink:href="hog-20250630.xsd#hog_LicensingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e59acb22-4c21-42b4-ba07-a16cd0ab16ff" xlink:to="loc_hog_LicensingMember_f5dc965f-94ba-47ed-860f-3b85b4f24de8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductAndServiceOtherMember_970f0ecd-be1d-4ccb-aa61-aadc9efea232" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProductAndServiceOtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e59acb22-4c21-42b4-ba07-a16cd0ab16ff" xlink:to="loc_us-gaap_ProductAndServiceOtherMember_970f0ecd-be1d-4ccb-aa61-aadc9efea232" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_InterestIncomeFinancialServicesMember_d0251ec3-96ef-42b9-94c1-9d6ab435eeca" xlink:href="hog-20250630.xsd#hog_InterestIncomeFinancialServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e59acb22-4c21-42b4-ba07-a16cd0ab16ff" xlink:to="loc_hog_InterestIncomeFinancialServicesMember_d0251ec3-96ef-42b9-94c1-9d6ab435eeca" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_OtherIncomeFinancialServicesMember_c892dede-7955-44ba-a913-90c5c1c8aa18" xlink:href="hog-20250630.xsd#hog_OtherIncomeFinancialServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_e59acb22-4c21-42b4-ba07-a16cd0ab16ff" xlink:to="loc_hog_OtherIncomeFinancialServicesMember_c892dede-7955-44ba-a913-90c5c1c8aa18" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_cd737036-d3a1-4693-a480-ac481f5d5064" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_d1fb8690-5807-4c22-8cff-7fc0ab362928" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_cd737036-d3a1-4693-a480-ac481f5d5064" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_cd737036-d3a1-4693-a480-ac481f5d5064_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_cd737036-d3a1-4693-a480-ac481f5d5064" xlink:to="loc_us-gaap_SegmentDomain_cd737036-d3a1-4693-a480-ac481f5d5064_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_f36246f9-3085-479f-95bc-398bc810bd2a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_cd737036-d3a1-4693-a480-ac481f5d5064" xlink:to="loc_us-gaap_SegmentDomain_f36246f9-3085-479f-95bc-398bc810bd2a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDMCSegmentMember_6788d06f-f816-4a42-8087-bfa248783f2b" xlink:href="hog-20250630.xsd#hog_HDMCSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_f36246f9-3085-479f-95bc-398bc810bd2a" xlink:to="loc_hog_HDMCSegmentMember_6788d06f-f816-4a42-8087-bfa248783f2b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_LivewireSegmentMember_8257bb7e-5633-4c94-9d3d-463b662d2184" xlink:href="hog-20250630.xsd#hog_LivewireSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_f36246f9-3085-479f-95bc-398bc810bd2a" xlink:to="loc_hog_LivewireSegmentMember_8257bb7e-5633-4c94-9d3d-463b662d2184" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDFSSegmentMember_73e8edf5-7b20-49f8-9ac4-125d53c59da1" xlink:href="hog-20250630.xsd#hog_HDFSSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_f36246f9-3085-479f-95bc-398bc810bd2a" xlink:to="loc_hog_HDFSSegmentMember_73e8edf5-7b20-49f8-9ac4-125d53c59da1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_68a9e5e9-43da-47da-a4f3-4da7b22f81c0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_7cf18bd7-81dc-4de6-a6e1-926c93e439ff" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_68a9e5e9-43da-47da-a4f3-4da7b22f81c0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueNotFromContractWithCustomer_a3ab4ff2-1eca-465a-a72d-2d098174d257" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueNotFromContractWithCustomer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_7cf18bd7-81dc-4de6-a6e1-926c93e439ff" xlink:to="loc_us-gaap_RevenueNotFromContractWithCustomer_a3ab4ff2-1eca-465a-a72d-2d098174d257" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_b8bc0c42-d23f-4915-befe-00e18adb0713" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_7cf18bd7-81dc-4de6-a6e1-926c93e439ff" xlink:to="loc_us-gaap_Revenues_b8bc0c42-d23f-4915-befe-00e18adb0713" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/RevenueAdditionalInformationDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#RevenueAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/RevenueAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_d9e7b76b-9e74-49c2-a099-eea4f469f11e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_2678326f-078a-4c40-8796-e977acd2ad54" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_d9e7b76b-9e74-49c2-a099-eea4f469f11e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_2678326f-078a-4c40-8796-e977acd2ad54" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_2391d581-8e3c-4f09-8e06-cc49ba8e09ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_2678326f-078a-4c40-8796-e977acd2ad54" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_2391d581-8e3c-4f09-8e06-cc49ba8e09ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_0e2a42f4-7d7d-47db-bfd0-3f6d003a2e9a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_d9e7b76b-9e74-49c2-a099-eea4f469f11e" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_0e2a42f4-7d7d-47db-bfd0-3f6d003a2e9a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_7bb1b43f-109b-484f-a919-43a0e0c7c276" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_d9e7b76b-9e74-49c2-a099-eea4f469f11e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_7bb1b43f-109b-484f-a919-43a0e0c7c276" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_f1331fb2-8d87-447d-af20-49256fee59ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_d9e7b76b-9e74-49c2-a099-eea4f469f11e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_f1331fb2-8d87-447d-af20-49256fee59ab" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/RevenueAdditionalInformationDetails_1" xlink:type="simple" xlink:href="hog-20250630.xsd#RevenueAdditionalInformationDetails_1"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/RevenueAdditionalInformationDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_d9e7b76b-9e74-49c2-a099-eea4f469f11e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_2678326f-078a-4c40-8796-e977acd2ad54" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_d9e7b76b-9e74-49c2-a099-eea4f469f11e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_2678326f-078a-4c40-8796-e977acd2ad54" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_0e2a42f4-7d7d-47db-bfd0-3f6d003a2e9a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_d9e7b76b-9e74-49c2-a099-eea4f469f11e" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_0e2a42f4-7d7d-47db-bfd0-3f6d003a2e9a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_7bb1b43f-109b-484f-a919-43a0e0c7c276" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_d9e7b76b-9e74-49c2-a099-eea4f469f11e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_7bb1b43f-109b-484f-a919-43a0e0c7c276" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_f1331fb2-8d87-447d-af20-49256fee59ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_d9e7b76b-9e74-49c2-a099-eea4f469f11e" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_f1331fb2-8d87-447d-af20-49256fee59ab" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/EarningsPerShareAdditionalInformationDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#EarningsPerShareAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/EarningsPerShareAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_a629e5ad-eb52-427d-9571-2ffe2030fb52" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_49b72ce9-1845-42fe-af8b-2cd87b87e793" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_a629e5ad-eb52-427d-9571-2ffe2030fb52" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_49b72ce9-1845-42fe-af8b-2cd87b87e793" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_8f44fef6-049d-4f9f-9e02-9c2ead8ee1f9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_49b72ce9-1845-42fe-af8b-2cd87b87e793" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_8f44fef6-049d-4f9f-9e02-9c2ead8ee1f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_8f44fef6-049d-4f9f-9e02-9c2ead8ee1f9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_8f44fef6-049d-4f9f-9e02-9c2ead8ee1f9" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_8f44fef6-049d-4f9f-9e02-9c2ead8ee1f9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_cff53b6f-a1ce-4b55-9b9f-04608c75d282" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_8f44fef6-049d-4f9f-9e02-9c2ead8ee1f9" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_cff53b6f-a1ce-4b55-9b9f-04608c75d282" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_1a0a9404-d7a9-48fe-b8e4-2bd168d30395" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_cff53b6f-a1ce-4b55-9b9f-04608c75d282" xlink:to="loc_us-gaap_EmployeeStockOptionMember_1a0a9404-d7a9-48fe-b8e4-2bd168d30395" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_7c93fc0a-e9e8-4cd4-bc72-58630f63e728" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_a629e5ad-eb52-427d-9571-2ffe2030fb52" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_7c93fc0a-e9e8-4cd4-bc72-58630f63e728" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/AdditionalBalanceSheetandCashFlowInformationScheduleofInventoriesNetDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#AdditionalBalanceSheetandCashFlowInformationScheduleofInventoriesNetDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/AdditionalBalanceSheetandCashFlowInformationScheduleofInventoriesNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryLineItems_a35c0dbb-e0b2-4d40-88ce-e4ec68d387bc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryCurrentTable_a879ffd5-21bf-4e37-a72e-d4fcadb40196" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryCurrentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_InventoryLineItems_a35c0dbb-e0b2-4d40-88ce-e4ec68d387bc" xlink:to="loc_us-gaap_InventoryCurrentTable_a879ffd5-21bf-4e37-a72e-d4fcadb40196" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesInventoryAxis_12d58ccd-4944-44b3-98c8-9eba22127250" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PublicUtilitiesInventoryAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_InventoryCurrentTable_a879ffd5-21bf-4e37-a72e-d4fcadb40196" xlink:to="loc_us-gaap_PublicUtilitiesInventoryAxis_12d58ccd-4944-44b3-98c8-9eba22127250" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_12d58ccd-4944-44b3-98c8-9eba22127250_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PublicUtilitiesInventoryTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PublicUtilitiesInventoryAxis_12d58ccd-4944-44b3-98c8-9eba22127250" xlink:to="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_12d58ccd-4944-44b3-98c8-9eba22127250_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_b1972c07-3517-42d1-ba14-89fc0fc13fb3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PublicUtilitiesInventoryTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PublicUtilitiesInventoryAxis_12d58ccd-4944-44b3-98c8-9eba22127250" xlink:to="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_b1972c07-3517-42d1-ba14-89fc0fc13fb3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_MotorcyclesMember_611d6365-aea8-4845-98a5-1cc6955a89b9" xlink:href="hog-20250630.xsd#hog_MotorcyclesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_b1972c07-3517-42d1-ba14-89fc0fc13fb3" xlink:to="loc_hog_MotorcyclesMember_611d6365-aea8-4845-98a5-1cc6955a89b9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_PartsAndAccessoriesAndApparelMember_e510a074-880d-435b-83d4-7e0651e51028" xlink:href="hog-20250630.xsd#hog_PartsAndAccessoriesAndApparelMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PublicUtilitiesInventoryTypeDomain_b1972c07-3517-42d1-ba14-89fc0fc13fb3" xlink:to="loc_hog_PartsAndAccessoriesAndApparelMember_e510a074-880d-435b-83d4-7e0651e51028" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_InventoryWorkInProcessandRawMaterialsNetOfInventoryValuationAdjustment_fcd24680-4051-4ea0-b1c1-7ebc2844de49" xlink:href="hog-20250630.xsd#hog_InventoryWorkInProcessandRawMaterialsNetOfInventoryValuationAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_a35c0dbb-e0b2-4d40-88ce-e4ec68d387bc" xlink:to="loc_hog_InventoryWorkInProcessandRawMaterialsNetOfInventoryValuationAdjustment_fcd24680-4051-4ea0-b1c1-7ebc2844de49" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_InventoryFinishedGoodsNetOfInventoryValuationAdjustment_84e22077-c72e-4af5-853f-32445a97bdf0" xlink:href="hog-20250630.xsd#hog_InventoryFinishedGoodsNetOfInventoryValuationAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_a35c0dbb-e0b2-4d40-88ce-e4ec68d387bc" xlink:to="loc_hog_InventoryFinishedGoodsNetOfInventoryValuationAdjustment_84e22077-c72e-4af5-853f-32445a97bdf0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_InventoryNetOfInventoryValuationAdjustment_f12b9160-7fbe-4bc7-9f3c-41920a29fe5e" xlink:href="hog-20250630.xsd#hog_InventoryNetOfInventoryValuationAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_a35c0dbb-e0b2-4d40-88ce-e4ec68d387bc" xlink:to="loc_hog_InventoryNetOfInventoryValuationAdjustment_f12b9160-7fbe-4bc7-9f3c-41920a29fe5e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryLIFOReserve_13ef905d-f515-4e4b-ac69-7b0eb1d2b16b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryLIFOReserve"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_a35c0dbb-e0b2-4d40-88ce-e4ec68d387bc" xlink:to="loc_us-gaap_InventoryLIFOReserve_13ef905d-f515-4e4b-ac69-7b0eb1d2b16b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_5ca013da-5ca3-4a97-8f98-8bcdab2b5f8b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_a35c0dbb-e0b2-4d40-88ce-e4ec68d387bc" xlink:to="loc_us-gaap_InventoryNet_5ca013da-5ca3-4a97-8f98-8bcdab2b5f8b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Deposits_332240b1-10cf-4eaf-8c94-7db4ea9e00ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Deposits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_a35c0dbb-e0b2-4d40-88ce-e4ec68d387bc" xlink:to="loc_us-gaap_Deposits_332240b1-10cf-4eaf-8c94-7db4ea9e00ef" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/FinanceReceivablesScheduleofFinanceReceivablesDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#FinanceReceivablesScheduleofFinanceReceivablesDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/FinanceReceivablesScheduleofFinanceReceivablesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_8a39cd7a-36de-4dae-842b-c90555eee133" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_6ce77ef7-0e10-435c-9ecf-d4228bafbf24" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_8a39cd7a-36de-4dae-842b-c90555eee133" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_6ce77ef7-0e10-435c-9ecf-d4228bafbf24" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_d493767d-b51d-4cb7-adb2-c1cbba808a45" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_6ce77ef7-0e10-435c-9ecf-d4228bafbf24" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_d493767d-b51d-4cb7-adb2-c1cbba808a45" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_d493767d-b51d-4cb7-adb2-c1cbba808a45_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_d493767d-b51d-4cb7-adb2-c1cbba808a45" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_d493767d-b51d-4cb7-adb2-c1cbba808a45_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_fab08641-3db2-447c-897e-8affb8873aa8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_d493767d-b51d-4cb7-adb2-c1cbba808a45" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_fab08641-3db2-447c-897e-8affb8873aa8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsumerPortfolioSegmentMember_ab013ad9-855a-4b28-90f4-d5a9353a6f69" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConsumerPortfolioSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_fab08641-3db2-447c-897e-8affb8873aa8" xlink:to="loc_us-gaap_ConsumerPortfolioSegmentMember_ab013ad9-855a-4b28-90f4-d5a9353a6f69" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPortfolioSegmentMember_31ee782a-0273-4056-a226-b3ca49794c30" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommercialPortfolioSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_fab08641-3db2-447c-897e-8affb8873aa8" xlink:to="loc_us-gaap_CommercialPortfolioSegmentMember_31ee782a-0273-4056-a226-b3ca49794c30" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_a2ef1e9f-7c88-44c3-9114-3938f032ba40" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_8a39cd7a-36de-4dae-842b-c90555eee133" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_a2ef1e9f-7c88-44c3-9114-3938f032ba40" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_dc9a0611-0419-4020-9580-351358d0b0b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_8a39cd7a-36de-4dae-842b-c90555eee133" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_dc9a0611-0419-4020-9580-351358d0b0b6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_b3e6edac-7309-4324-ae72-cfe359e91ae2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_8a39cd7a-36de-4dae-842b-c90555eee133" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_b3e6edac-7309-4324-ae72-cfe359e91ae2" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/FinanceReceivablesAdditionalInformationDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#FinanceReceivablesAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/FinanceReceivablesAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_056b8541-8923-473f-80f7-48f93e0fd53f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_23f0f965-f339-4783-ba49-b09d6c5ee9f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_056b8541-8923-473f-80f7-48f93e0fd53f" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_23f0f965-f339-4783-ba49-b09d6c5ee9f4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_a4ecb774-0bb0-4f1c-b089-eb3f020ca0bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_23f0f965-f339-4783-ba49-b09d6c5ee9f4" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_a4ecb774-0bb0-4f1c-b089-eb3f020ca0bd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_a4ecb774-0bb0-4f1c-b089-eb3f020ca0bd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_a4ecb774-0bb0-4f1c-b089-eb3f020ca0bd" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_a4ecb774-0bb0-4f1c-b089-eb3f020ca0bd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_4bb484d8-ffbc-472a-b9be-865791f57c67" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_a4ecb774-0bb0-4f1c-b089-eb3f020ca0bd" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_4bb484d8-ffbc-472a-b9be-865791f57c67" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsumerPortfolioSegmentMember_acae1492-6684-46f7-959a-2398b9a78a38" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConsumerPortfolioSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_4bb484d8-ffbc-472a-b9be-865791f57c67" xlink:to="loc_us-gaap_ConsumerPortfolioSegmentMember_acae1492-6684-46f7-959a-2398b9a78a38" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPortfolioSegmentMember_43fa34a8-9a61-4a99-90be-6618ad1d5e52" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommercialPortfolioSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_4bb484d8-ffbc-472a-b9be-865791f57c67" xlink:to="loc_us-gaap_CommercialPortfolioSegmentMember_43fa34a8-9a61-4a99-90be-6618ad1d5e52" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_LengthOfEconomicForecast_f1445f49-d88f-45b0-af1a-671e4fe0059d" xlink:href="hog-20250630.xsd#hog_LengthOfEconomicForecast"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_056b8541-8923-473f-80f7-48f93e0fd53f" xlink:to="loc_hog_LengthOfEconomicForecast_f1445f49-d88f-45b0-af1a-671e4fe0059d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_LengthOfMeanReversionProcess_2c12aca1-de7b-447e-8e47-a059a3929778" xlink:href="hog-20250630.xsd#hog_LengthOfMeanReversionProcess"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_056b8541-8923-473f-80f7-48f93e0fd53f" xlink:to="loc_hog_LengthOfMeanReversionProcess_2c12aca1-de7b-447e-8e47-a059a3929778" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_NumberOfPortfolios_ad5de55b-a4be-4874-a396-9a473bbbcb8d" xlink:href="hog-20250630.xsd#hog_NumberOfPortfolios"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_056b8541-8923-473f-80f7-48f93e0fd53f" xlink:to="loc_hog_NumberOfPortfolios_ad5de55b-a4be-4874-a396-9a473bbbcb8d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableThresholdPeriodPastDueWriteoff_740a9faf-070c-47e8-9aa6-e3553aa3b9ea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableThresholdPeriodPastDueWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_056b8541-8923-473f-80f7-48f93e0fd53f" xlink:to="loc_us-gaap_FinancingReceivableThresholdPeriodPastDueWriteoff_740a9faf-070c-47e8-9aa6-e3553aa3b9ea" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAccruedInterestWriteoff_86975195-0235-4898-b8e2-c6658b831519" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableAccruedInterestWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_056b8541-8923-473f-80f7-48f93e0fd53f" xlink:to="loc_us-gaap_FinancingReceivableAccruedInterestWriteoff_86975195-0235-4898-b8e2-c6658b831519" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_IncreaseDecreaseInAccruedInterestWriteOff_5ef2ec7b-2f91-4306-8095-5233b7fb9107" xlink:href="hog-20250630.xsd#hog_IncreaseDecreaseInAccruedInterestWriteOff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_056b8541-8923-473f-80f7-48f93e0fd53f" xlink:to="loc_hog_IncreaseDecreaseInAccruedInterestWriteOff_5ef2ec7b-2f91-4306-8095-5233b7fb9107" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/FinanceReceivablesScheduleofChangesintheAllowanceforFinanceCreditLossesonFinanceReceivablesDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#FinanceReceivablesScheduleofChangesintheAllowanceforFinanceCreditLossesonFinanceReceivablesDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/FinanceReceivablesScheduleofChangesintheAllowanceforFinanceCreditLossesonFinanceReceivablesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_3c8755c6-96dc-4365-9cbd-5c24e658cc85" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_61c48c96-b189-41b9-b63a-b4ef724a3641" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_3c8755c6-96dc-4365-9cbd-5c24e658cc85" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_61c48c96-b189-41b9-b63a-b4ef724a3641" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_cb5dde19-d841-4cf1-a89c-ba5be9bfff4c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_61c48c96-b189-41b9-b63a-b4ef724a3641" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_cb5dde19-d841-4cf1-a89c-ba5be9bfff4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_cb5dde19-d841-4cf1-a89c-ba5be9bfff4c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_cb5dde19-d841-4cf1-a89c-ba5be9bfff4c" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_cb5dde19-d841-4cf1-a89c-ba5be9bfff4c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_413a1999-7ddb-4b58-898a-239231494e32" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_cb5dde19-d841-4cf1-a89c-ba5be9bfff4c" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_413a1999-7ddb-4b58-898a-239231494e32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsumerPortfolioSegmentMember_a38a5342-43f0-4b4b-8787-db1ccaf880f8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConsumerPortfolioSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_413a1999-7ddb-4b58-898a-239231494e32" xlink:to="loc_us-gaap_ConsumerPortfolioSegmentMember_a38a5342-43f0-4b4b-8787-db1ccaf880f8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPortfolioSegmentMember_82553cdf-672d-4442-85a2-450f49d6c978" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommercialPortfolioSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_413a1999-7ddb-4b58-898a-239231494e32" xlink:to="loc_us-gaap_CommercialPortfolioSegmentMember_82553cdf-672d-4442-85a2-450f49d6c978" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRollForward_58782e72-d43e-498e-8f8e-510654605bc6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_3c8755c6-96dc-4365-9cbd-5c24e658cc85" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRollForward_58782e72-d43e-498e-8f8e-510654605bc6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_bc98d2af-a2cd-4e85-b531-178789e9383c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRollForward_58782e72-d43e-498e-8f8e-510654605bc6" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_bc98d2af-a2cd-4e85-b531-178789e9383c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal_4f35731e-8058-482c-97d5-56bc6c0ce11c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRollForward_58782e72-d43e-498e-8f8e-510654605bc6" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal_4f35731e-8058-482c-97d5-56bc6c0ce11c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_1512ebb7-72f9-4610-b4e6-90865a7614b4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRollForward_58782e72-d43e-498e-8f8e-510654605bc6" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_1512ebb7-72f9-4610-b4e6-90865a7614b4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery_8835968a-09a5-43de-8acd-26497d1b2bb3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRollForward_58782e72-d43e-498e-8f8e-510654605bc6" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery_8835968a-09a5-43de-8acd-26497d1b2bb3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_8a358d01-fd50-4e59-977c-c72608697ef4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/FinanceReceivablesScheduleofFinancingReceivableCreditQualityIndicatorsDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#FinanceReceivablesScheduleofFinancingReceivableCreditQualityIndicatorsDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/FinanceReceivablesScheduleofFinancingReceivableCreditQualityIndicatorsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_0900509b-0cb2-4fdf-a9bb-f4f878a55308" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_edff894e-9dfc-47a6-8ec5-c55089374d00" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_0900509b-0cb2-4fdf-a9bb-f4f878a55308" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_edff894e-9dfc-47a6-8ec5-c55089374d00" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_4df76e83-6175-408c-9b91-9330a844fd0a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_edff894e-9dfc-47a6-8ec5-c55089374d00" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_4df76e83-6175-408c-9b91-9330a844fd0a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_4df76e83-6175-408c-9b91-9330a844fd0a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_4df76e83-6175-408c-9b91-9330a844fd0a" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_4df76e83-6175-408c-9b91-9330a844fd0a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_d5c35892-cb1d-4c99-8d24-88d757ba5155" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_4df76e83-6175-408c-9b91-9330a844fd0a" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_d5c35892-cb1d-4c99-8d24-88d757ba5155" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsumerPortfolioSegmentMember_3dd40c09-b47b-460f-a23e-27295ce522f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConsumerPortfolioSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_d5c35892-cb1d-4c99-8d24-88d757ba5155" xlink:to="loc_us-gaap_ConsumerPortfolioSegmentMember_3dd40c09-b47b-460f-a23e-27295ce522f4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentAxis_34f5e5b9-151c-41e9-bc0d-b8770b50e177" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InternalCreditAssessmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_edff894e-9dfc-47a6-8ec5-c55089374d00" xlink:to="loc_us-gaap_InternalCreditAssessmentAxis_34f5e5b9-151c-41e9-bc0d-b8770b50e177" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentDomain_34f5e5b9-151c-41e9-bc0d-b8770b50e177_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InternalCreditAssessmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InternalCreditAssessmentAxis_34f5e5b9-151c-41e9-bc0d-b8770b50e177" xlink:to="loc_us-gaap_InternalCreditAssessmentDomain_34f5e5b9-151c-41e9-bc0d-b8770b50e177_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentDomain_203f7be4-5d42-45e3-9ef1-7ff3b89262e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InternalCreditAssessmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InternalCreditAssessmentAxis_34f5e5b9-151c-41e9-bc0d-b8770b50e177" xlink:to="loc_us-gaap_InternalCreditAssessmentDomain_203f7be4-5d42-45e3-9ef1-7ff3b89262e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_SuperPrimeMember_a15d727e-9538-4a4e-9473-eab79a0def8d" xlink:href="hog-20250630.xsd#hog_SuperPrimeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_203f7be4-5d42-45e3-9ef1-7ff3b89262e9" xlink:to="loc_hog_SuperPrimeMember_a15d727e-9538-4a4e-9473-eab79a0def8d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrimeMember_fa8f4a4b-f264-448f-b376-1914e5616abb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrimeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_203f7be4-5d42-45e3-9ef1-7ff3b89262e9" xlink:to="loc_us-gaap_PrimeMember_fa8f4a4b-f264-448f-b376-1914e5616abb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubprimeMember_3a70532f-6bc5-4d77-9cf0-aa4c305496ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubprimeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_203f7be4-5d42-45e3-9ef1-7ff3b89262e9" xlink:to="loc_us-gaap_SubprimeMember_3a70532f-6bc5-4d77-9cf0-aa4c305496ab" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicDistributionAxis_bdc8661a-15d3-4a0f-a829-71507b0b1c53" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeographicDistributionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_edff894e-9dfc-47a6-8ec5-c55089374d00" xlink:to="loc_us-gaap_GeographicDistributionAxis_bdc8661a-15d3-4a0f-a829-71507b0b1c53" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicDistributionDomain_bdc8661a-15d3-4a0f-a829-71507b0b1c53_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeographicDistributionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GeographicDistributionAxis_bdc8661a-15d3-4a0f-a829-71507b0b1c53" xlink:to="loc_us-gaap_GeographicDistributionDomain_bdc8661a-15d3-4a0f-a829-71507b0b1c53_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicDistributionDomain_e17caae0-7eab-480f-9bd1-c30d89aed38e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeographicDistributionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GeographicDistributionAxis_bdc8661a-15d3-4a0f-a829-71507b0b1c53" xlink:to="loc_us-gaap_GeographicDistributionDomain_e17caae0-7eab-480f-9bd1-c30d89aed38e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_dc68344c-d432-4367-a36b-47851c46909c" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_e17caae0-7eab-480f-9bd1-c30d89aed38e" xlink:to="loc_country_US_dc68344c-d432-4367-a36b-47851c46909c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_CA_a8fca2c2-0065-44dd-b15b-18f1b1819023" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CA"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_e17caae0-7eab-480f-9bd1-c30d89aed38e" xlink:to="loc_country_CA_a8fca2c2-0065-44dd-b15b-18f1b1819023" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear_8e7c2c8d-e4ec-44f3-8c63-75387d80802f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_0900509b-0cb2-4fdf-a9bb-f4f878a55308" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear_8e7c2c8d-e4ec-44f3-8c63-75387d80802f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_76e8eefc-6bf9-4d26-9d5b-5b417e7579fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_0900509b-0cb2-4fdf-a9bb-f4f878a55308" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_76e8eefc-6bf9-4d26-9d5b-5b417e7579fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear_57cae397-9e98-4f64-8867-119c0856b570" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_0900509b-0cb2-4fdf-a9bb-f4f878a55308" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear_57cae397-9e98-4f64-8867-119c0856b570" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear_6eb48d2c-ace4-4ae5-86b7-ce78f3031ce9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_0900509b-0cb2-4fdf-a9bb-f4f878a55308" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear_6eb48d2c-ace4-4ae5-86b7-ce78f3031ce9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear_2c7f9232-d0bd-4049-9b45-5f126c459863" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_0900509b-0cb2-4fdf-a9bb-f4f878a55308" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear_2c7f9232-d0bd-4049-9b45-5f126c459863" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear_b2fe5869-6d0a-4141-98c0-c050aeb5083c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_0900509b-0cb2-4fdf-a9bb-f4f878a55308" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear_b2fe5869-6d0a-4141-98c0-c050aeb5083c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_5e3d6613-0b5a-4796-b587-bd273feff81e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_0900509b-0cb2-4fdf-a9bb-f4f878a55308" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_5e3d6613-0b5a-4796-b587-bd273feff81e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_d63e9092-ccb8-4c82-82fc-4e193c7b1e78" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_0900509b-0cb2-4fdf-a9bb-f4f878a55308" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_d63e9092-ccb8-4c82-82fc-4e193c7b1e78" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff_1b98ad0a-5a93-48f7-9aeb-f375c6f469f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_d63e9092-ccb8-4c82-82fc-4e193c7b1e78" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff_1b98ad0a-5a93-48f7-9aeb-f375c6f469f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff_53da87b6-5d41-411f-99c9-7bc8c8026f6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_d63e9092-ccb8-4c82-82fc-4e193c7b1e78" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff_53da87b6-5d41-411f-99c9-7bc8c8026f6a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff_7b3a05b7-bafb-460e-bc21-0823bfcbcd75" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_d63e9092-ccb8-4c82-82fc-4e193c7b1e78" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff_7b3a05b7-bafb-460e-bc21-0823bfcbcd75" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff_92d5cc08-a166-4541-9fa3-d9f393b2f4a5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_d63e9092-ccb8-4c82-82fc-4e193c7b1e78" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff_92d5cc08-a166-4541-9fa3-d9f393b2f4a5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff_53a35a51-2e5f-43e0-8cef-17666eef0cf3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_d63e9092-ccb8-4c82-82fc-4e193c7b1e78" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff_53a35a51-2e5f-43e0-8cef-17666eef0cf3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff_0b3599d7-e66c-48a0-960b-adc833800c34" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_d63e9092-ccb8-4c82-82fc-4e193c7b1e78" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff_0b3599d7-e66c-48a0-960b-adc833800c34" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_ee72915f-e867-484e-a678-438345d9de1f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_d63e9092-ccb8-4c82-82fc-4e193c7b1e78" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_ee72915f-e867-484e-a678-438345d9de1f" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/FinanceReceivablesScheduleofRecordedInvestmentofRetailandWholesaleFinanceReceivablesbyCreditQualityIndicatorDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#FinanceReceivablesScheduleofRecordedInvestmentofRetailandWholesaleFinanceReceivablesbyCreditQualityIndicatorDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/FinanceReceivablesScheduleofRecordedInvestmentofRetailandWholesaleFinanceReceivablesbyCreditQualityIndicatorDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_2cb4d809-0805-429e-aff3-a0a64ed76434" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableRecordedInvestmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_69dc912d-231d-4473-abc3-cf4b92be43fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_2cb4d809-0805-429e-aff3-a0a64ed76434" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_69dc912d-231d-4473-abc3-cf4b92be43fb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_d75cf403-423c-42e6-a2d6-859166896b3c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_69dc912d-231d-4473-abc3-cf4b92be43fb" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_d75cf403-423c-42e6-a2d6-859166896b3c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_d75cf403-423c-42e6-a2d6-859166896b3c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_d75cf403-423c-42e6-a2d6-859166896b3c" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_d75cf403-423c-42e6-a2d6-859166896b3c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_fb8dd3a9-53e3-43c9-8e57-2e290b65e125" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_d75cf403-423c-42e6-a2d6-859166896b3c" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_fb8dd3a9-53e3-43c9-8e57-2e290b65e125" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPortfolioSegmentMember_dd2fd8ac-d3d5-436a-9387-70bbe8f0661e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommercialPortfolioSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_fb8dd3a9-53e3-43c9-8e57-2e290b65e125" xlink:to="loc_us-gaap_CommercialPortfolioSegmentMember_dd2fd8ac-d3d5-436a-9387-70bbe8f0661e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentAxis_a1e7afde-6439-49f9-93e1-740e41c89f2b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InternalCreditAssessmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_69dc912d-231d-4473-abc3-cf4b92be43fb" xlink:to="loc_us-gaap_InternalCreditAssessmentAxis_a1e7afde-6439-49f9-93e1-740e41c89f2b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentDomain_a1e7afde-6439-49f9-93e1-740e41c89f2b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InternalCreditAssessmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InternalCreditAssessmentAxis_a1e7afde-6439-49f9-93e1-740e41c89f2b" xlink:to="loc_us-gaap_InternalCreditAssessmentDomain_a1e7afde-6439-49f9-93e1-740e41c89f2b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentDomain_de088477-ba0b-46e5-8c58-6fc43507be1d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InternalCreditAssessmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InternalCreditAssessmentAxis_a1e7afde-6439-49f9-93e1-740e41c89f2b" xlink:to="loc_us-gaap_InternalCreditAssessmentDomain_de088477-ba0b-46e5-8c58-6fc43507be1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_NonPerformingMember_597a6527-809b-4b70-aaa5-1e37e1055e20" xlink:href="hog-20250630.xsd#hog_NonPerformingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_de088477-ba0b-46e5-8c58-6fc43507be1d" xlink:to="loc_hog_NonPerformingMember_597a6527-809b-4b70-aaa5-1e37e1055e20" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DoubtfulMember_b82a790c-7c5c-407f-a5d2-feaa41e4eaf5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DoubtfulMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_de088477-ba0b-46e5-8c58-6fc43507be1d" xlink:to="loc_us-gaap_DoubtfulMember_b82a790c-7c5c-407f-a5d2-feaa41e4eaf5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubstandardMember_4ef21ad4-6deb-48d2-bcde-3659e97d1b0a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubstandardMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_de088477-ba0b-46e5-8c58-6fc43507be1d" xlink:to="loc_us-gaap_SubstandardMember_4ef21ad4-6deb-48d2-bcde-3659e97d1b0a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SpecialMentionMember_31bea3ec-8a35-4937-ab96-c3742093b8b2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SpecialMentionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_de088477-ba0b-46e5-8c58-6fc43507be1d" xlink:to="loc_us-gaap_SpecialMentionMember_31bea3ec-8a35-4937-ab96-c3742093b8b2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RiskLevelMediumMember_30a5f771-1424-48e4-9359-bdd7773cef22" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RiskLevelMediumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_de088477-ba0b-46e5-8c58-6fc43507be1d" xlink:to="loc_us-gaap_RiskLevelMediumMember_30a5f771-1424-48e4-9359-bdd7773cef22" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RiskLevelLowMember_74564402-278d-4195-9294-e68515ff265b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RiskLevelLowMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain_de088477-ba0b-46e5-8c58-6fc43507be1d" xlink:to="loc_us-gaap_RiskLevelLowMember_74564402-278d-4195-9294-e68515ff265b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear_d23fda89-0ee5-46c3-ada1-2536e3a647bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_2cb4d809-0805-429e-aff3-a0a64ed76434" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear_d23fda89-0ee5-46c3-ada1-2536e3a647bd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_d4d4173c-53b0-4994-bfd8-808e66a971c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_2cb4d809-0805-429e-aff3-a0a64ed76434" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_d4d4173c-53b0-4994-bfd8-808e66a971c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear_82f7e425-abc8-410c-be89-f72c00c439fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_2cb4d809-0805-429e-aff3-a0a64ed76434" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear_82f7e425-abc8-410c-be89-f72c00c439fa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear_4a315d79-fe8a-4d4a-a7d9-1d8bdc7b3cb3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_2cb4d809-0805-429e-aff3-a0a64ed76434" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear_4a315d79-fe8a-4d4a-a7d9-1d8bdc7b3cb3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear_00f8c25e-baac-4d3f-8070-c2bddb7155de" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_2cb4d809-0805-429e-aff3-a0a64ed76434" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear_00f8c25e-baac-4d3f-8070-c2bddb7155de" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear_067a963c-316a-4fed-9c2e-2692bc4ff35b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_2cb4d809-0805-429e-aff3-a0a64ed76434" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear_067a963c-316a-4fed-9c2e-2692bc4ff35b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_cd71416f-65dc-42b5-bc0e-8efcc961e243" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_2cb4d809-0805-429e-aff3-a0a64ed76434" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_cd71416f-65dc-42b5-bc0e-8efcc961e243" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_e5dc24d5-3795-4d87-ba84-ca79446388f5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_2cb4d809-0805-429e-aff3-a0a64ed76434" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_e5dc24d5-3795-4d87-ba84-ca79446388f5" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff_a54c9061-01be-4e85-8ca1-77f61448d5f5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_e5dc24d5-3795-4d87-ba84-ca79446388f5" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff_a54c9061-01be-4e85-8ca1-77f61448d5f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff_3aa53017-e2b1-4b5d-b6f7-9ae08c71ed36" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_e5dc24d5-3795-4d87-ba84-ca79446388f5" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff_3aa53017-e2b1-4b5d-b6f7-9ae08c71ed36" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff_6060c602-216e-44a9-8c99-6bb91cba2bb2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_e5dc24d5-3795-4d87-ba84-ca79446388f5" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff_6060c602-216e-44a9-8c99-6bb91cba2bb2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff_13063c85-5051-4ed1-ab90-a68b4ae0dc13" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_e5dc24d5-3795-4d87-ba84-ca79446388f5" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff_13063c85-5051-4ed1-ab90-a68b4ae0dc13" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff_306962d2-4434-47b1-86a5-e636101221f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_e5dc24d5-3795-4d87-ba84-ca79446388f5" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff_306962d2-4434-47b1-86a5-e636101221f4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff_88a5953d-8449-4003-ae73-76d0839d080b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_e5dc24d5-3795-4d87-ba84-ca79446388f5" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff_88a5953d-8449-4003-ae73-76d0839d080b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_0a78301f-7bdc-49db-b9c4-699b600378c6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffByOriginationYearAbstract_e5dc24d5-3795-4d87-ba84-ca79446388f5" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_0a78301f-7bdc-49db-b9c4-699b600378c6" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/FinanceReceivablesScheduleofInformationRelatedtoWholesaleFinanceReceivablesonNonAccrualStatusDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#FinanceReceivablesScheduleofInformationRelatedtoWholesaleFinanceReceivablesonNonAccrualStatusDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/FinanceReceivablesScheduleofInformationRelatedtoWholesaleFinanceReceivablesonNonAccrualStatusDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableNonaccrualStatusLineItems_9779a6d4-0c68-4ed3-a7a1-f3bf371ded98" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableNonaccrualStatusLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableNonaccrualTable_e470b717-02fe-43de-81de-ace4d4fba61c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableNonaccrualTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableNonaccrualStatusLineItems_9779a6d4-0c68-4ed3-a7a1-f3bf371ded98" xlink:to="loc_us-gaap_FinancingReceivableNonaccrualTable_e470b717-02fe-43de-81de-ace4d4fba61c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_d710e7fb-e5ac-4467-9ef0-f26c7f6be86c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FinancingReceivableNonaccrualTable_e470b717-02fe-43de-81de-ace4d4fba61c" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_d710e7fb-e5ac-4467-9ef0-f26c7f6be86c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_d710e7fb-e5ac-4467-9ef0-f26c7f6be86c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_d710e7fb-e5ac-4467-9ef0-f26c7f6be86c" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_d710e7fb-e5ac-4467-9ef0-f26c7f6be86c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_62650809-6813-4a48-a80c-ffab688594de" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_d710e7fb-e5ac-4467-9ef0-f26c7f6be86c" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_62650809-6813-4a48-a80c-ffab688594de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPortfolioSegmentMember_6fe5ae98-f305-42be-8b6f-044beb5a3038" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommercialPortfolioSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_62650809-6813-4a48-a80c-ffab688594de" xlink:to="loc_us-gaap_CommercialPortfolioSegmentMember_6fe5ae98-f305-42be-8b6f-044beb5a3038" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualAbstract_93591364-6941-4b07-b7e0-f037c2b6d5dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableNonaccrualStatusLineItems_9779a6d4-0c68-4ed3-a7a1-f3bf371ded98" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualAbstract_93591364-6941-4b07-b7e0-f037c2b6d5dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance_2eaabd9c-c103-4b8c-bd3d-90248c0b93a4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualAbstract_93591364-6941-4b07-b7e0-f037c2b6d5dc" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance_2eaabd9c-c103-4b8c-bd3d-90248c0b93a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_FinancingReceivableExcludingAccruedInterestNonaccrualRelatedAllowance_85710ae1-b2be-4a3d-84de-7ab92afd184f" xlink:href="hog-20250630.xsd#hog_FinancingReceivableExcludingAccruedInterestNonaccrualRelatedAllowance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualAbstract_93591364-6941-4b07-b7e0-f037c2b6d5dc" xlink:to="loc_hog_FinancingReceivableExcludingAccruedInterestNonaccrualRelatedAllowance_85710ae1-b2be-4a3d-84de-7ab92afd184f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual_d73680b4-b775-41f0-9133-95faa66df947" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualAbstract_93591364-6941-4b07-b7e0-f037c2b6d5dc" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual_d73680b4-b775-41f0-9133-95faa66df947" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_FinancingReceivableExcludingAccruedInterestNonaccrualInterestIncomeRecognizedAbstract_9499c2b3-9147-4bce-9b40-6ba8fb1c5501" xlink:href="hog-20250630.xsd#hog_FinancingReceivableExcludingAccruedInterestNonaccrualInterestIncomeRecognizedAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableNonaccrualStatusLineItems_9779a6d4-0c68-4ed3-a7a1-f3bf371ded98" xlink:to="loc_hog_FinancingReceivableExcludingAccruedInterestNonaccrualInterestIncomeRecognizedAbstract_9499c2b3-9147-4bce-9b40-6ba8fb1c5501" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_FinancingReceivableNonaccrualInterestIncomeNoAllowance_fa178849-ffe1-481b-9eae-d5b4597c1d69" xlink:href="hog-20250630.xsd#hog_FinancingReceivableNonaccrualInterestIncomeNoAllowance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_hog_FinancingReceivableExcludingAccruedInterestNonaccrualInterestIncomeRecognizedAbstract_9499c2b3-9147-4bce-9b40-6ba8fb1c5501" xlink:to="loc_hog_FinancingReceivableNonaccrualInterestIncomeNoAllowance_fa178849-ffe1-481b-9eae-d5b4597c1d69" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_FinancingReceivableNonaccrualInterestIncomeRelatedAllowance_804947f9-a761-4ac1-890c-636030ba2e48" xlink:href="hog-20250630.xsd#hog_FinancingReceivableNonaccrualInterestIncomeRelatedAllowance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_hog_FinancingReceivableExcludingAccruedInterestNonaccrualInterestIncomeRecognizedAbstract_9499c2b3-9147-4bce-9b40-6ba8fb1c5501" xlink:to="loc_hog_FinancingReceivableNonaccrualInterestIncomeRelatedAllowance_804947f9-a761-4ac1-890c-636030ba2e48" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableNonaccrualInterestIncome_d88e5b58-9d4b-4093-ba47-4dda54c82b7c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableNonaccrualInterestIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_hog_FinancingReceivableExcludingAccruedInterestNonaccrualInterestIncomeRecognizedAbstract_9499c2b3-9147-4bce-9b40-6ba8fb1c5501" xlink:to="loc_us-gaap_FinancingReceivableNonaccrualInterestIncome_d88e5b58-9d4b-4093-ba47-4dda54c82b7c" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/FinanceReceivablesScheduleofPastDueFinancingReceivablesDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#FinanceReceivablesScheduleofPastDueFinancingReceivablesDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/FinanceReceivablesScheduleofPastDueFinancingReceivablesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_44a3c8c2-5efa-4ac0-8cb4-8d89b7f2c45f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_eb72adac-99ff-4abf-8c42-053627b58456" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfFinancingReceivablesPastDueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_44a3c8c2-5efa-4ac0-8cb4-8d89b7f2c45f" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_eb72adac-99ff-4abf-8c42-053627b58456" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_52196f87-2bb6-4e95-b861-5f7659a53f2c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_eb72adac-99ff-4abf-8c42-053627b58456" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_52196f87-2bb6-4e95-b861-5f7659a53f2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_52196f87-2bb6-4e95-b861-5f7659a53f2c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_52196f87-2bb6-4e95-b861-5f7659a53f2c" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_52196f87-2bb6-4e95-b861-5f7659a53f2c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_07664386-e931-4b9b-a314-2496eecca6bc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_52196f87-2bb6-4e95-b861-5f7659a53f2c" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_07664386-e931-4b9b-a314-2496eecca6bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsumerPortfolioSegmentMember_dbda242d-5bd3-428c-8b53-0a2690a395b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConsumerPortfolioSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_07664386-e931-4b9b-a314-2496eecca6bc" xlink:to="loc_us-gaap_ConsumerPortfolioSegmentMember_dbda242d-5bd3-428c-8b53-0a2690a395b3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPortfolioSegmentMember_863b8ff8-6b01-45ef-babf-818cd48935b9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommercialPortfolioSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_07664386-e931-4b9b-a314-2496eecca6bc" xlink:to="loc_us-gaap_CommercialPortfolioSegmentMember_863b8ff8-6b01-45ef-babf-818cd48935b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_0a1223fb-689c-479e-8aee-d93962a0ce98" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablesPeriodPastDueAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_eb72adac-99ff-4abf-8c42-053627b58456" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_0a1223fb-689c-479e-8aee-d93962a0ce98" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_0a1223fb-689c-479e-8aee-d93962a0ce98_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_0a1223fb-689c-479e-8aee-d93962a0ce98" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_0a1223fb-689c-479e-8aee-d93962a0ce98_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_b49e53ad-c043-452e-b9f9-93418b4c9083" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis_0a1223fb-689c-479e-8aee-d93962a0ce98" xlink:to="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_b49e53ad-c043-452e-b9f9-93418b4c9083" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialAssetNotPastDueMember_2a647f57-75d5-4604-9226-564b94195c70" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancialAssetNotPastDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_b49e53ad-c043-452e-b9f9-93418b4c9083" xlink:to="loc_us-gaap_FinancialAssetNotPastDueMember_2a647f57-75d5-4604-9226-564b94195c70" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialAssetPastDueMember_93ba8460-f128-40c5-b6b1-ceca937f6512" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancialAssetPastDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain_b49e53ad-c043-452e-b9f9-93418b4c9083" xlink:to="loc_us-gaap_FinancialAssetPastDueMember_93ba8460-f128-40c5-b6b1-ceca937f6512" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivables30To59DaysPastDueMember_507048c8-b22a-47d5-aabb-17cd0edd0484" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivables30To59DaysPastDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialAssetPastDueMember_93ba8460-f128-40c5-b6b1-ceca937f6512" xlink:to="loc_us-gaap_FinancingReceivables30To59DaysPastDueMember_507048c8-b22a-47d5-aabb-17cd0edd0484" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivables60To89DaysPastDueMember_d2ba9669-4fd0-4a15-b188-9454e09bd74d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivables60To89DaysPastDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialAssetPastDueMember_93ba8460-f128-40c5-b6b1-ceca937f6512" xlink:to="loc_us-gaap_FinancingReceivables60To89DaysPastDueMember_d2ba9669-4fd0-4a15-b188-9454e09bd74d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_3c5b396f-c25c-47ce-b4dd-476f1d0c64a1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialAssetPastDueMember_93ba8460-f128-40c5-b6b1-ceca937f6512" xlink:to="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_3c5b396f-c25c-47ce-b4dd-476f1d0c64a1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_b38c0bb4-8b63-46ea-a163-57ec5e356d28" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_44a3c8c2-5efa-4ac0-8cb4-8d89b7f2c45f" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_b38c0bb4-8b63-46ea-a163-57ec5e356d28" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus_8d928f54-98d5-4f5c-a3ec-69bb13a8251e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_44a3c8c2-5efa-4ac0-8cb4-8d89b7f2c45f" xlink:to="loc_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus_8d928f54-98d5-4f5c-a3ec-69bb13a8251e" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofDerivativeInstrumentFairValueDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofDerivativeInstrumentFairValueDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofDerivativeInstrumentFairValueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_592d0d34-9281-4abf-8029-c115b69c4493" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativesFairValueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_1d4f8c97-302b-47d3-800f-34d4647514f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_592d0d34-9281-4abf-8029-c115b69c4493" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_1d4f8c97-302b-47d3-800f-34d4647514f7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_72385e74-b8a7-42a4-87eb-9edb5b8121db" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_1d4f8c97-302b-47d3-800f-34d4647514f7" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_72385e74-b8a7-42a4-87eb-9edb5b8121db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_72385e74-b8a7-42a4-87eb-9edb5b8121db_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_72385e74-b8a7-42a4-87eb-9edb5b8121db" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_72385e74-b8a7-42a4-87eb-9edb5b8121db_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_8ae7a90f-ce93-4c3a-8065-c81aca39052b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_72385e74-b8a7-42a4-87eb-9edb5b8121db" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_8ae7a90f-ce93-4c3a-8065-c81aca39052b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_0748861e-9945-4349-bae3-2325ac5149bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_8ae7a90f-ce93-4c3a-8065-c81aca39052b" xlink:to="loc_us-gaap_ForeignExchangeContractMember_0748861e-9945-4349-bae3-2325ac5149bd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember_a2a30d4f-8ba8-454f-bb5b-79d9722a18fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommodityContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_8ae7a90f-ce93-4c3a-8065-c81aca39052b" xlink:to="loc_us-gaap_CommodityContractMember_a2a30d4f-8ba8-454f-bb5b-79d9722a18fc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrencySwapMember_dddded03-2686-41dc-9aef-cd7a836fa964" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrencySwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_8ae7a90f-ce93-4c3a-8065-c81aca39052b" xlink:to="loc_us-gaap_CurrencySwapMember_dddded03-2686-41dc-9aef-cd7a836fa964" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateCapMember_c7505aaa-1d37-4b93-931c-68eecd464fc5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateCapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_8ae7a90f-ce93-4c3a-8065-c81aca39052b" xlink:to="loc_us-gaap_InterestRateCapMember_c7505aaa-1d37-4b93-931c-68eecd464fc5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4ac0ee2f-774b-4231-a6da-1394adaa8224" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_1d4f8c97-302b-47d3-800f-34d4647514f7" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4ac0ee2f-774b-4231-a6da-1394adaa8224" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_4ac0ee2f-774b-4231-a6da-1394adaa8224_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4ac0ee2f-774b-4231-a6da-1394adaa8224" xlink:to="loc_us-gaap_HedgingRelationshipDomain_4ac0ee2f-774b-4231-a6da-1394adaa8224_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_126d169c-bb9b-4023-b75c-a0142b9cd267" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4ac0ee2f-774b-4231-a6da-1394adaa8224" xlink:to="loc_us-gaap_HedgingRelationshipDomain_126d169c-bb9b-4023-b75c-a0142b9cd267" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_9dc2917c-d27f-4ecb-92c1-c37160ee11be" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_126d169c-bb9b-4023-b75c-a0142b9cd267" xlink:to="loc_us-gaap_CashFlowHedgingMember_9dc2917c-d27f-4ecb-92c1-c37160ee11be" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_dd2c7d05-1c25-4a35-9f67-38c8d66732aa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_1d4f8c97-302b-47d3-800f-34d4647514f7" xlink:to="loc_us-gaap_HedgingDesignationAxis_dd2c7d05-1c25-4a35-9f67-38c8d66732aa" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_dd2c7d05-1c25-4a35-9f67-38c8d66732aa_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_dd2c7d05-1c25-4a35-9f67-38c8d66732aa" xlink:to="loc_us-gaap_HedgingDesignationDomain_dd2c7d05-1c25-4a35-9f67-38c8d66732aa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_1e69051d-9cfb-4fb6-b4ee-86151b836936" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_dd2c7d05-1c25-4a35-9f67-38c8d66732aa" xlink:to="loc_us-gaap_HedgingDesignationDomain_1e69051d-9cfb-4fb6-b4ee-86151b836936" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_454710d8-b345-4d00-ac36-df27f8820bd7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_1e69051d-9cfb-4fb6-b4ee-86151b836936" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_454710d8-b345-4d00-ac36-df27f8820bd7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_89275254-8a5d-49da-b54a-0d63cd781255" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_1e69051d-9cfb-4fb6-b4ee-86151b836936" xlink:to="loc_us-gaap_NondesignatedMember_89275254-8a5d-49da-b54a-0d63cd781255" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_cf207f6d-7901-4f78-a404-8deebf29b6d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_1d4f8c97-302b-47d3-800f-34d4647514f7" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_cf207f6d-7901-4f78-a404-8deebf29b6d9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_cf207f6d-7901-4f78-a404-8deebf29b6d9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_cf207f6d-7901-4f78-a404-8deebf29b6d9" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_cf207f6d-7901-4f78-a404-8deebf29b6d9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_8efc3e41-f861-4425-a7b8-b4fd65c4c84a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_cf207f6d-7901-4f78-a404-8deebf29b6d9" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_8efc3e41-f861-4425-a7b8-b4fd65c4c84a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AccruedLiabilitiesCurrentMember_98cb8e2a-0f21-42e9-af7a-a097112c9040" xlink:href="hog-20250630.xsd#hog_AccruedLiabilitiesCurrentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_8efc3e41-f861-4425-a7b8-b4fd65c4c84a" xlink:to="loc_hog_AccruedLiabilitiesCurrentMember_98cb8e2a-0f21-42e9-af7a-a097112c9040" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentAssetsMember_eed596fd-0f69-4388-9db3-7dd8a50a613b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncurrentAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_8efc3e41-f861-4425-a7b8-b4fd65c4c84a" xlink:to="loc_us-gaap_OtherNoncurrentAssetsMember_eed596fd-0f69-4388-9db3-7dd8a50a613b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_e0a2bfc6-0264-46eb-8815-6fae40f282a2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_592d0d34-9281-4abf-8029-c115b69c4493" xlink:to="loc_us-gaap_DerivativeNotionalAmount_e0a2bfc6-0264-46eb-8815-6fae40f282a2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_c0378d41-4625-4baf-aa1e-dead516268f6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_592d0d34-9281-4abf-8029-c115b69c4493" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_c0378d41-4625-4baf-aa1e-dead516268f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_fa6b2b0b-6274-45c4-9f4e-c003c5d1205d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_592d0d34-9281-4abf-8029-c115b69c4493" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_fa6b2b0b-6274-45c4-9f4e-c003c5d1205d" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofAmountofGainsandLossesRelatedtoDerivativeFinancialInstrumentsDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofAmountofGainsandLossesRelatedtoDerivativeFinancialInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofAmountofGainsandLossesRelatedtoDerivativeFinancialInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_2f650507-10b2-44a2-925a-099dd492725e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_c90f9506-0f3c-4d93-987f-65ac9e0fa79c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_2f650507-10b2-44a2-925a-099dd492725e" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_c90f9506-0f3c-4d93-987f-65ac9e0fa79c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_05d6396d-5fb2-4867-ab3e-6d8f19d6fd9f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_c90f9506-0f3c-4d93-987f-65ac9e0fa79c" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_05d6396d-5fb2-4867-ab3e-6d8f19d6fd9f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_05d6396d-5fb2-4867-ab3e-6d8f19d6fd9f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_05d6396d-5fb2-4867-ab3e-6d8f19d6fd9f" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_05d6396d-5fb2-4867-ab3e-6d8f19d6fd9f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_cfc167ce-5aa2-4d38-9d54-3074821b31f0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_05d6396d-5fb2-4867-ab3e-6d8f19d6fd9f" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_cfc167ce-5aa2-4d38-9d54-3074821b31f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_7a47ced0-cb48-499b-90a2-c81fb1ab870c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_cfc167ce-5aa2-4d38-9d54-3074821b31f0" xlink:to="loc_us-gaap_ForeignExchangeContractMember_7a47ced0-cb48-499b-90a2-c81fb1ab870c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember_e748c3f2-96e8-4ede-bfd6-925782e83852" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommodityContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_cfc167ce-5aa2-4d38-9d54-3074821b31f0" xlink:to="loc_us-gaap_CommodityContractMember_e748c3f2-96e8-4ede-bfd6-925782e83852" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrencySwapMember_06713162-4919-4998-be4b-6b01137cb038" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrencySwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_cfc167ce-5aa2-4d38-9d54-3074821b31f0" xlink:to="loc_us-gaap_CurrencySwapMember_06713162-4919-4998-be4b-6b01137cb038" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryLockMember_fa57ac19-fbd9-420d-bbd4-4698cf941df3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryLockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_cfc167ce-5aa2-4d38-9d54-3074821b31f0" xlink:to="loc_us-gaap_TreasuryLockMember_fa57ac19-fbd9-420d-bbd4-4698cf941df3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_SwapRateLockContractMember_27e58594-b0e6-4368-afc3-cea376997abd" xlink:href="hog-20250630.xsd#hog_SwapRateLockContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_cfc167ce-5aa2-4d38-9d54-3074821b31f0" xlink:to="loc_hog_SwapRateLockContractMember_27e58594-b0e6-4368-afc3-cea376997abd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_a826acab-475c-49f4-a9fe-ff86971d3204" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_c90f9506-0f3c-4d93-987f-65ac9e0fa79c" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_a826acab-475c-49f4-a9fe-ff86971d3204" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_a826acab-475c-49f4-a9fe-ff86971d3204_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_a826acab-475c-49f4-a9fe-ff86971d3204" xlink:to="loc_us-gaap_HedgingRelationshipDomain_a826acab-475c-49f4-a9fe-ff86971d3204_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_43c79b53-281e-452d-bc69-dec91d5a37de" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_a826acab-475c-49f4-a9fe-ff86971d3204" xlink:to="loc_us-gaap_HedgingRelationshipDomain_43c79b53-281e-452d-bc69-dec91d5a37de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_231b759a-1be4-4e27-a68b-e2aa085392b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_43c79b53-281e-452d-bc69-dec91d5a37de" xlink:to="loc_us-gaap_CashFlowHedgingMember_231b759a-1be4-4e27-a68b-e2aa085392b8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_3d94e378-8078-46b7-994c-529391baa49d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_c90f9506-0f3c-4d93-987f-65ac9e0fa79c" xlink:to="loc_us-gaap_HedgingDesignationAxis_3d94e378-8078-46b7-994c-529391baa49d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_3d94e378-8078-46b7-994c-529391baa49d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_3d94e378-8078-46b7-994c-529391baa49d" xlink:to="loc_us-gaap_HedgingDesignationDomain_3d94e378-8078-46b7-994c-529391baa49d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_3442093f-a0c2-4dd6-b611-a797081421b2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_3d94e378-8078-46b7-994c-529391baa49d" xlink:to="loc_us-gaap_HedgingDesignationDomain_3442093f-a0c2-4dd6-b611-a797081421b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_608396bf-797e-4d35-ae88-f2e156a98c05" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_3442093f-a0c2-4dd6-b611-a797081421b2" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_608396bf-797e-4d35-ae88-f2e156a98c05" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_f98033db-3875-4cf9-9526-2d335fd61917" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_2f650507-10b2-44a2-925a-099dd492725e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_f98033db-3875-4cf9-9526-2d335fd61917" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_4d250712-2d91-48de-8435-685fc7ff8176" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_2f650507-10b2-44a2-925a-099dd492725e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_4d250712-2d91-48de-8435-685fc7ff8176" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofAmountofGainsandLossesRecognizedinIncomeRelatedtoDerivativeFinancialInstrumentsDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofAmountofGainsandLossesRecognizedinIncomeRelatedtoDerivativeFinancialInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofAmountofGainsandLossesRecognizedinIncomeRelatedtoDerivativeFinancialInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_88c11a06-5928-482c-bc57-a9c6e6e75b7c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_a993f439-8d15-4627-884b-f609a72af860" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_88c11a06-5928-482c-bc57-a9c6e6e75b7c" xlink:to="loc_us-gaap_DerivativeTable_a993f439-8d15-4627-884b-f609a72af860" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_79965d84-c3c7-458d-ae67-b461652163fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_a993f439-8d15-4627-884b-f609a72af860" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_79965d84-c3c7-458d-ae67-b461652163fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_79965d84-c3c7-458d-ae67-b461652163fe_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_79965d84-c3c7-458d-ae67-b461652163fe" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_79965d84-c3c7-458d-ae67-b461652163fe_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_eb5a8f6d-4441-4661-8b21-5a8cf02d254b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_79965d84-c3c7-458d-ae67-b461652163fe" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_eb5a8f6d-4441-4661-8b21-5a8cf02d254b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_8fb6fa06-349a-4517-992f-b21952d1a186" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_eb5a8f6d-4441-4661-8b21-5a8cf02d254b" xlink:to="loc_us-gaap_ForeignExchangeContractMember_8fb6fa06-349a-4517-992f-b21952d1a186" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember_19fafc9c-08ed-42ae-9485-f048b41b2161" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommodityContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_eb5a8f6d-4441-4661-8b21-5a8cf02d254b" xlink:to="loc_us-gaap_CommodityContractMember_19fafc9c-08ed-42ae-9485-f048b41b2161" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrencySwapMember_2d3aa233-0ed9-4a81-8d9d-4be8707596d1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrencySwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_eb5a8f6d-4441-4661-8b21-5a8cf02d254b" xlink:to="loc_us-gaap_CurrencySwapMember_2d3aa233-0ed9-4a81-8d9d-4be8707596d1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryLockMember_4dd42904-5bfc-4bf8-803b-ee36e7022238" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryLockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_eb5a8f6d-4441-4661-8b21-5a8cf02d254b" xlink:to="loc_us-gaap_TreasuryLockMember_4dd42904-5bfc-4bf8-803b-ee36e7022238" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_SwapRateLockContractMember_0a65eeed-93a4-48c5-b87f-04162170acb7" xlink:href="hog-20250630.xsd#hog_SwapRateLockContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_eb5a8f6d-4441-4661-8b21-5a8cf02d254b" xlink:to="loc_hog_SwapRateLockContractMember_0a65eeed-93a4-48c5-b87f-04162170acb7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_fd319d15-6e60-4581-8df0-54fbaafb864d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_a993f439-8d15-4627-884b-f609a72af860" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_fd319d15-6e60-4581-8df0-54fbaafb864d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_fd319d15-6e60-4581-8df0-54fbaafb864d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_fd319d15-6e60-4581-8df0-54fbaafb864d" xlink:to="loc_us-gaap_HedgingRelationshipDomain_fd319d15-6e60-4581-8df0-54fbaafb864d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_4edda04c-c6fa-4817-bece-8700d721b4b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_fd319d15-6e60-4581-8df0-54fbaafb864d" xlink:to="loc_us-gaap_HedgingRelationshipDomain_4edda04c-c6fa-4817-bece-8700d721b4b8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_ef1c4e13-d8f0-47cc-a91d-32397d1553cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_4edda04c-c6fa-4817-bece-8700d721b4b8" xlink:to="loc_us-gaap_CashFlowHedgingMember_ef1c4e13-d8f0-47cc-a91d-32397d1553cf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_3d4bde7a-7839-418c-ad38-a7c88ef56064" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_a993f439-8d15-4627-884b-f609a72af860" xlink:to="loc_us-gaap_HedgingDesignationAxis_3d4bde7a-7839-418c-ad38-a7c88ef56064" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_3d4bde7a-7839-418c-ad38-a7c88ef56064_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_3d4bde7a-7839-418c-ad38-a7c88ef56064" xlink:to="loc_us-gaap_HedgingDesignationDomain_3d4bde7a-7839-418c-ad38-a7c88ef56064_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_a2d5ca6b-ec98-43ad-b7ee-47602ed078d8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_3d4bde7a-7839-418c-ad38-a7c88ef56064" xlink:to="loc_us-gaap_HedgingDesignationDomain_a2d5ca6b-ec98-43ad-b7ee-47602ed078d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_01e8812d-e35e-4edb-96c9-b4a296efbb0e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_a2d5ca6b-ec98-43ad-b7ee-47602ed078d8" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_01e8812d-e35e-4edb-96c9-b4a296efbb0e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_dd5fa493-4400-4cbe-a1fe-eae661fbaf90" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_a993f439-8d15-4627-884b-f609a72af860" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_dd5fa493-4400-4cbe-a1fe-eae661fbaf90" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_dd5fa493-4400-4cbe-a1fe-eae661fbaf90_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_dd5fa493-4400-4cbe-a1fe-eae661fbaf90" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_dd5fa493-4400-4cbe-a1fe-eae661fbaf90_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_a5f8deee-11fc-41d2-8fd7-c96bc6f2c96e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_dd5fa493-4400-4cbe-a1fe-eae661fbaf90" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_a5f8deee-11fc-41d2-8fd7-c96bc6f2c96e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_MotorcyclesAndRelatedProductsCostOfGoodsSoldMember_dcd3853b-30d0-4c96-b8eb-e36e9a497b6a" xlink:href="hog-20250630.xsd#hog_MotorcyclesAndRelatedProductsCostOfGoodsSoldMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_a5f8deee-11fc-41d2-8fd7-c96bc6f2c96e" xlink:to="loc_hog_MotorcyclesAndRelatedProductsCostOfGoodsSoldMember_dcd3853b-30d0-4c96-b8eb-e36e9a497b6a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_8c8b98a9-9c4b-4583-af54-604fa0f354c4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_a5f8deee-11fc-41d2-8fd7-c96bc6f2c96e" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_8c8b98a9-9c4b-4583-af54-604fa0f354c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseMember_79586ee9-8353-453b-96b9-d02647f7de52" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_a5f8deee-11fc-41d2-8fd7-c96bc6f2c96e" xlink:to="loc_us-gaap_InterestExpenseMember_79586ee9-8353-453b-96b9-d02647f7de52" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_FinancialServicesInterestExpenseMember_3e97d9c5-725d-452c-8349-a5e83d68bdd2" xlink:href="hog-20250630.xsd#hog_FinancialServicesInterestExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_a5f8deee-11fc-41d2-8fd7-c96bc6f2c96e" xlink:to="loc_hog_FinancialServicesInterestExpenseMember_3e97d9c5-725d-452c-8349-a5e83d68bdd2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_65251e11-bfe0-47bc-91af-4b26cd17a2fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_88c11a06-5928-482c-bc57-a9c6e6e75b7c" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_65251e11-bfe0-47bc-91af-4b26cd17a2fe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_92dd0cf0-c930-4768-b1c9-afff1fe3a55e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_88c11a06-5928-482c-bc57-a9c6e6e75b7c" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_92dd0cf0-c930-4768-b1c9-afff1fe3a55e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_3b4a0a34-a8d2-4c8c-96f1-cb6e5bf345b1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_88c11a06-5928-482c-bc57-a9c6e6e75b7c" xlink:to="loc_us-gaap_InterestExpenseNonoperating_3b4a0a34-a8d2-4c8c-96f1-cb6e5bf345b1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingInterestExpense_6cc883fe-2cb5-4513-a37d-9f1d1294e8ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingInterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_88c11a06-5928-482c-bc57-a9c6e6e75b7c" xlink:to="loc_us-gaap_FinancingInterestExpense_6cc883fe-2cb5-4513-a37d-9f1d1294e8ba" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_7440b9cc-384e-452e-b30d-3e1978acf822" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_88c11a06-5928-482c-bc57-a9c6e6e75b7c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_7440b9cc-384e-452e-b30d-3e1978acf822" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofOtherDerivativesNotDesignatedasHedgingInstrumentsStatementsofFinancialPerformanceandFinancialPositionLocationDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofOtherDerivativesNotDesignatedasHedgingInstrumentsStatementsofFinancialPerformanceandFinancialPositionLocationDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/DerivativeFinancialInstrumentsandHedgingActivitiesScheduleofOtherDerivativesNotDesignatedasHedgingInstrumentsStatementsofFinancialPerformanceandFinancialPositionLocationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_639d8e59-7c3b-415c-99ef-29bb29857467" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_1e42d999-86f3-4df7-9985-ea5d95c31f75" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_639d8e59-7c3b-415c-99ef-29bb29857467" xlink:to="loc_us-gaap_DerivativeTable_1e42d999-86f3-4df7-9985-ea5d95c31f75" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_46fa1b54-05a0-4452-88bb-43631d427fd0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_1e42d999-86f3-4df7-9985-ea5d95c31f75" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_46fa1b54-05a0-4452-88bb-43631d427fd0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_46fa1b54-05a0-4452-88bb-43631d427fd0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_46fa1b54-05a0-4452-88bb-43631d427fd0" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_46fa1b54-05a0-4452-88bb-43631d427fd0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_7b1e2843-6d3d-45bf-99bc-d214e4a3cb9a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_46fa1b54-05a0-4452-88bb-43631d427fd0" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_7b1e2843-6d3d-45bf-99bc-d214e4a3cb9a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_6610da32-8968-49b9-a91d-3029a1865d2b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7b1e2843-6d3d-45bf-99bc-d214e4a3cb9a" xlink:to="loc_us-gaap_ForeignExchangeContractMember_6610da32-8968-49b9-a91d-3029a1865d2b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember_58237304-1eae-4544-a02a-a8bcc3a9d85b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommodityContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7b1e2843-6d3d-45bf-99bc-d214e4a3cb9a" xlink:to="loc_us-gaap_CommodityContractMember_58237304-1eae-4544-a02a-a8bcc3a9d85b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateCapMember_adca5967-9344-4104-891b-4dee969bce76" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateCapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7b1e2843-6d3d-45bf-99bc-d214e4a3cb9a" xlink:to="loc_us-gaap_InterestRateCapMember_adca5967-9344-4104-891b-4dee969bce76" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_6c00fd76-a9f8-4651-9125-cf7e73a242ca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_1e42d999-86f3-4df7-9985-ea5d95c31f75" xlink:to="loc_us-gaap_HedgingDesignationAxis_6c00fd76-a9f8-4651-9125-cf7e73a242ca" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_6c00fd76-a9f8-4651-9125-cf7e73a242ca_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_6c00fd76-a9f8-4651-9125-cf7e73a242ca" xlink:to="loc_us-gaap_HedgingDesignationDomain_6c00fd76-a9f8-4651-9125-cf7e73a242ca_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_94873df9-711b-456b-a406-a7c0ad259541" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_6c00fd76-a9f8-4651-9125-cf7e73a242ca" xlink:to="loc_us-gaap_HedgingDesignationDomain_94873df9-711b-456b-a406-a7c0ad259541" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_822b473f-386d-477d-a0aa-71aa110dd0a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_94873df9-711b-456b-a406-a7c0ad259541" xlink:to="loc_us-gaap_NondesignatedMember_822b473f-386d-477d-a0aa-71aa110dd0a7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_bad64763-272f-49f4-bcb3-20755cac2087" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_1e42d999-86f3-4df7-9985-ea5d95c31f75" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_bad64763-272f-49f4-bcb3-20755cac2087" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_bad64763-272f-49f4-bcb3-20755cac2087_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_bad64763-272f-49f4-bcb3-20755cac2087" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_bad64763-272f-49f4-bcb3-20755cac2087_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_72a08a37-ae53-451e-a6be-2582061a249a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_bad64763-272f-49f4-bcb3-20755cac2087" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_72a08a37-ae53-451e-a6be-2582061a249a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsTotalMember_a4dba727-9612-435c-9e6c-85fe84b8a38b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsTotalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_72a08a37-ae53-451e-a6be-2582061a249a" xlink:to="loc_us-gaap_CostOfGoodsTotalMember_a4dba727-9612-435c-9e6c-85fe84b8a38b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_5c32b3bc-7ffb-406c-98b2-a44e7c3c6e02" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_639d8e59-7c3b-415c-99ef-29bb29857467" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet_5c32b3bc-7ffb-406c-98b2-a44e7c3c6e02" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/DebtScheduleofShorttermDebtDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#DebtScheduleofShorttermDebtDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/DebtScheduleofShorttermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtLineItems_fc2d298e-8dab-47e2-a7fb-e611489b42c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermDebtLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTable_c1cdb0a9-90bb-41a7-8879-e4bb3af47824" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfShortTermDebtTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShortTermDebtLineItems_fc2d298e-8dab-47e2-a7fb-e611489b42c2" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_c1cdb0a9-90bb-41a7-8879-e4bb3af47824" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_6b02ce05-5ac2-4397-b213-f0192809592e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_c1cdb0a9-90bb-41a7-8879-e4bb3af47824" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_6b02ce05-5ac2-4397-b213-f0192809592e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_6b02ce05-5ac2-4397-b213-f0192809592e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_6b02ce05-5ac2-4397-b213-f0192809592e" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_6b02ce05-5ac2-4397-b213-f0192809592e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_964eb300-f68d-44f2-9bf3-7b9dc5fb8372" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_6b02ce05-5ac2-4397-b213-f0192809592e" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_964eb300-f68d-44f2-9bf3-7b9dc5fb8372" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_ebac173a-2b12-4b77-b19d-c7382849606e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommercialPaperMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_964eb300-f68d-44f2-9bf3-7b9dc5fb8372" xlink:to="loc_us-gaap_CommercialPaperMember_ebac173a-2b12-4b77-b19d-c7382849606e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_ca2580fe-f1ad-411c-b5f3-b59978b3a7dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermBorrowings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtLineItems_fc2d298e-8dab-47e2-a7fb-e611489b42c2" xlink:to="loc_us-gaap_ShortTermBorrowings_ca2580fe-f1ad-411c-b5f3-b59978b3a7dd" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/DebtScheduleofLongtermDebtDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#DebtScheduleofLongtermDebtDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/DebtScheduleofLongtermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_7bd0d292-b922-4e93-a96a-8170b8323f86" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_7f0d6bf7-9f15-451e-8797-b97312290796" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7bd0d292-b922-4e93-a96a-8170b8323f86" xlink:to="loc_us-gaap_DebtInstrumentTable_7f0d6bf7-9f15-451e-8797-b97312290796" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_38e8dfb8-1460-4936-933e-3ceaa52fcc01" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_7f0d6bf7-9f15-451e-8797-b97312290796" xlink:to="loc_us-gaap_DebtInstrumentAxis_38e8dfb8-1460-4936-933e-3ceaa52fcc01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_38e8dfb8-1460-4936-933e-3ceaa52fcc01_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_38e8dfb8-1460-4936-933e-3ceaa52fcc01" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_38e8dfb8-1460-4936-933e-3ceaa52fcc01_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_38e8dfb8-1460-4936-933e-3ceaa52fcc01" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AssetBackedCanadianCommercialPaperConduitFacilityMember_c12f3c45-d5e8-4a9d-906a-2ed250b56ec5" xlink:href="hog-20250630.xsd#hog_AssetBackedCanadianCommercialPaperConduitFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:to="loc_hog_AssetBackedCanadianCommercialPaperConduitFacilityMember_c12f3c45-d5e8-4a9d-906a-2ed250b56ec5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AssetBackedU.S.CommercialPaperConduitFacilityVIEMember_e1777af2-6ab6-4688-810f-3ad4864aaedc" xlink:href="hog-20250630.xsd#hog_AssetBackedU.S.CommercialPaperConduitFacilityVIEMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:to="loc_hog_AssetBackedU.S.CommercialPaperConduitFacilityVIEMember_e1777af2-6ab6-4688-810f-3ad4864aaedc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_TermAssetBackedSecuritizationVIEsMember_5d55c3a2-5a81-4eb2-81b5-e6fcd4d09378" xlink:href="hog-20250630.xsd#hog_TermAssetBackedSecuritizationVIEsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:to="loc_hog_TermAssetBackedSecuritizationVIEsMember_5d55c3a2-5a81-4eb2-81b5-e6fcd4d09378" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_ThreePointFourteenPercentMediumTermNotesDue2024Member_daab68b7-4826-4067-b09d-258fbd26a9d2" xlink:href="hog-20250630.xsd#hog_ThreePointFourteenPercentMediumTermNotesDue2024Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:to="loc_hog_ThreePointFourteenPercentMediumTermNotesDue2024Member_daab68b7-4826-4067-b09d-258fbd26a9d2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_ThreePointThirtyFivePercentMediumTermNotesDue2025Member_faa9a4d4-a43c-4e61-b6f0-cdff196c6fbd" xlink:href="hog-20250630.xsd#hog_ThreePointThirtyFivePercentMediumTermNotesDue2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:to="loc_hog_ThreePointThirtyFivePercentMediumTermNotesDue2025Member_faa9a4d4-a43c-4e61-b6f0-cdff196c6fbd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_SixPointThirtySixPercentMediumUnsecuredNotesDue2026Member_281cc4eb-45cb-45fa-932e-2fbc3f080f43" xlink:href="hog-20250630.xsd#hog_SixPointThirtySixPercentMediumUnsecuredNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:to="loc_hog_SixPointThirtySixPercentMediumUnsecuredNotesDue2026Member_281cc4eb-45cb-45fa-932e-2fbc3f080f43" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_ThreePointZeroFivePercentMediumUnsecuredNotesDue2027Member_efb2c2e3-62a2-4ffd-b2e6-a2ec0ed03572" xlink:href="hog-20250630.xsd#hog_ThreePointZeroFivePercentMediumUnsecuredNotesDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:to="loc_hog_ThreePointZeroFivePercentMediumUnsecuredNotesDue2027Member_efb2c2e3-62a2-4ffd-b2e6-a2ec0ed03572" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_SixPointFiveZeroPercentMediumUnsecuredNotesDue2028Member_59f05947-3957-4680-a696-bb7ef2c4531b" xlink:href="hog-20250630.xsd#hog_SixPointFiveZeroPercentMediumUnsecuredNotesDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:to="loc_hog_SixPointFiveZeroPercentMediumUnsecuredNotesDue2028Member_59f05947-3957-4680-a696-bb7ef2c4531b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_FivePointNineFivePercentMediumUnsecuredNotesDue2029Member_14548ace-6f2e-4e5d-b9f7-4f2a0091681f" xlink:href="hog-20250630.xsd#hog_FivePointNineFivePercentMediumUnsecuredNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:to="loc_hog_FivePointNineFivePercentMediumUnsecuredNotesDue2029Member_14548ace-6f2e-4e5d-b9f7-4f2a0091681f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_FivePointSixtyOnePercentMediumUnsecuredNotesDue2030Member_22a96faa-9eb0-4b4c-be3a-f640bb5b5fd6" xlink:href="hog-20250630.xsd#hog_FivePointSixtyOnePercentMediumUnsecuredNotesDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:to="loc_hog_FivePointSixtyOnePercentMediumUnsecuredNotesDue2030Member_22a96faa-9eb0-4b4c-be3a-f640bb5b5fd6" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_ThreePointFivePercentSeniorUnsecuredNotesDue2025Member_785910e8-0a7e-45cd-93c3-39bdc1e68357" xlink:href="hog-20250630.xsd#hog_ThreePointFivePercentSeniorUnsecuredNotesDue2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:to="loc_hog_ThreePointFivePercentSeniorUnsecuredNotesDue2025Member_785910e8-0a7e-45cd-93c3-39bdc1e68357" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_FourPointSixTwoFivePercentSeniorUnsecuredNotesDue2045Member_5573a353-1af1-4c88-907a-96ed1d9abf8b" xlink:href="hog-20250630.xsd#hog_FourPointSixTwoFivePercentSeniorUnsecuredNotesDue2045Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6a7a5d9c-ff1b-4895-bd78-b34fbf46d8fe" xlink:to="loc_hog_FourPointSixTwoFivePercentSeniorUnsecuredNotesDue2045Member_5573a353-1af1-4c88-907a-96ed1d9abf8b" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_d2fc0614-9636-4547-9290-77aa455fb5de" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_7f0d6bf7-9f15-451e-8797-b97312290796" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_d2fc0614-9636-4547-9290-77aa455fb5de" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_d2fc0614-9636-4547-9290-77aa455fb5de_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_d2fc0614-9636-4547-9290-77aa455fb5de" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_d2fc0614-9636-4547-9290-77aa455fb5de_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_218205a7-90a3-4124-85a9-233fc31eb12e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_d2fc0614-9636-4547-9290-77aa455fb5de" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_218205a7-90a3-4124-85a9-233fc31eb12e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_e99efa75-3f0b-45ad-8cda-09b7cef2d759" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_218205a7-90a3-4124-85a9-233fc31eb12e" xlink:to="loc_us-gaap_SecuredDebtMember_e99efa75-3f0b-45ad-8cda-09b7cef2d759" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MediumTermNotesMember_e477e924-e8d9-4090-b64e-d9e08d416860" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_218205a7-90a3-4124-85a9-233fc31eb12e" xlink:to="loc_us-gaap_MediumTermNotesMember_e477e924-e8d9-4090-b64e-d9e08d416860" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_1ada44f6-e518-4772-878b-da8a44d138a3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_218205a7-90a3-4124-85a9-233fc31eb12e" xlink:to="loc_us-gaap_SeniorNotesMember_1ada44f6-e518-4772-878b-da8a44d138a3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_2dc901d4-58bb-4a78-90a2-056ff1402c97" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_218205a7-90a3-4124-85a9-233fc31eb12e" xlink:to="loc_us-gaap_UnsecuredDebtMember_2dc901d4-58bb-4a78-90a2-056ff1402c97" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_f3c65625-a80b-42c0-ae8e-626b0ba83f6d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7bd0d292-b922-4e93-a96a-8170b8323f86" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_f3c65625-a80b-42c0-ae8e-626b0ba83f6d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_5a8caeea-ee33-47e2-a244-19e34578a17e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7bd0d292-b922-4e93-a96a-8170b8323f86" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_5a8caeea-ee33-47e2-a244-19e34578a17e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_b05fc4b0-01f7-4e0b-bc28-725a898b8b63" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7bd0d292-b922-4e93-a96a-8170b8323f86" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_b05fc4b0-01f7-4e0b-bc28-725a898b8b63" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_bfc06d35-7dcc-49c7-a276-11f8daf178fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7bd0d292-b922-4e93-a96a-8170b8323f86" xlink:to="loc_us-gaap_LongTermDebt_bfc06d35-7dcc-49c7-a276-11f8daf178fa" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_e8b88247-472e-4358-ae9b-7ce3edc583e3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7bd0d292-b922-4e93-a96a-8170b8323f86" xlink:to="loc_us-gaap_LongTermDebtCurrent_e8b88247-472e-4358-ae9b-7ce3edc583e3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_8df5675b-ad97-4d87-bf66-98caf212aaab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_7bd0d292-b922-4e93-a96a-8170b8323f86" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_8df5675b-ad97-4d87-bf66-98caf212aaab" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/AssetBackedFinancingScheduleofAssetsandLiabilitiesofVariableInterestEntitiesDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#AssetBackedFinancingScheduleofAssetsandLiabilitiesofVariableInterestEntitiesDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/AssetBackedFinancingScheduleofAssetsandLiabilitiesofVariableInterestEntitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAndAssociatedLiabilitiesOfTransfersAccountedForAsSecuredBorrowingsLineItems_42b89aed-647e-496e-970a-156c18eac11a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsAndAssociatedLiabilitiesOfTransfersAccountedForAsSecuredBorrowingsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTable_c753197a-4197-412d-86bb-2ca1da1356d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AssetsAndAssociatedLiabilitiesOfTransfersAccountedForAsSecuredBorrowingsLineItems_42b89aed-647e-496e-970a-156c18eac11a" xlink:to="loc_us-gaap_ScheduleOfAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTable_c753197a-4197-412d-86bb-2ca1da1356d6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_f3c716a8-a949-4d0b-9277-e7029c5d3518" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTable_c753197a-4197-412d-86bb-2ca1da1356d6" xlink:to="loc_srt_ConsolidatedEntitiesAxis_f3c716a8-a949-4d0b-9277-e7029c5d3518" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_f3c716a8-a949-4d0b-9277-e7029c5d3518_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_f3c716a8-a949-4d0b-9277-e7029c5d3518" xlink:to="loc_srt_ConsolidatedEntitiesDomain_f3c716a8-a949-4d0b-9277-e7029c5d3518_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_707b5303-8f5f-4d35-bf77-948407aa941b" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_f3c716a8-a949-4d0b-9277-e7029c5d3518" xlink:to="loc_srt_ConsolidatedEntitiesDomain_707b5303-8f5f-4d35-bf77-948407aa941b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_9dc05a3a-cbec-4387-8fce-55fd1c585439" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_707b5303-8f5f-4d35-bf77-948407aa941b" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_9dc05a3a-cbec-4387-8fce-55fd1c585439" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember_0eb42a9b-2e15-4b20-95b8-daf995adcc11" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_707b5303-8f5f-4d35-bf77-948407aa941b" xlink:to="loc_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember_0eb42a9b-2e15-4b20-95b8-daf995adcc11" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_13707236-5ca2-4d6b-b19d-d37bcf7a0fea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTable_c753197a-4197-412d-86bb-2ca1da1356d6" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_13707236-5ca2-4d6b-b19d-d37bcf7a0fea" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_13707236-5ca2-4d6b-b19d-d37bcf7a0fea_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_13707236-5ca2-4d6b-b19d-d37bcf7a0fea" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_13707236-5ca2-4d6b-b19d-d37bcf7a0fea_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_1d5ac7de-e5c8-4356-b787-127afecf880a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_13707236-5ca2-4d6b-b19d-d37bcf7a0fea" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_1d5ac7de-e5c8-4356-b787-127afecf880a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceReceivablesMember_2ba34710-1127-4664-88cf-93fb6daab4c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceReceivablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_1d5ac7de-e5c8-4356-b787-127afecf880a" xlink:to="loc_us-gaap_FinanceReceivablesMember_2ba34710-1127-4664-88cf-93fb6daab4c9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_RestrictedCashMember_7541714f-c6a4-475d-9c77-f1fda8bae848" xlink:href="hog-20250630.xsd#hog_RestrictedCashMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_1d5ac7de-e5c8-4356-b787-127afecf880a" xlink:to="loc_hog_RestrictedCashMember_7541714f-c6a4-475d-9c77-f1fda8bae848" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMember_2ca9761c-0b59-4990-a312-ed0b83d47397" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_1d5ac7de-e5c8-4356-b787-127afecf880a" xlink:to="loc_us-gaap_OtherAssetsMember_2ca9761c-0b59-4990-a312-ed0b83d47397" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsTotalMember_6b735df4-aa67-4e0d-925d-49bf26434b04" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsTotalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_1d5ac7de-e5c8-4356-b787-127afecf880a" xlink:to="loc_us-gaap_AssetsTotalMember_6b735df4-aa67-4e0d-925d-49bf26434b04" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMember_9fbfcf04-ae23-487d-aa73-05d4fc455d78" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_1d5ac7de-e5c8-4356-b787-127afecf880a" xlink:to="loc_us-gaap_LongTermDebtMember_9fbfcf04-ae23-487d-aa73-05d4fc455d78" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_7d2ff153-e6bc-4b49-b0e1-261405aef3b4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAssetsAndAssociatedLiabilitiesAccountedForAsSecuredBorrowingsTable_c753197a-4197-412d-86bb-2ca1da1356d6" xlink:to="loc_us-gaap_FinancialInstrumentAxis_7d2ff153-e6bc-4b49-b0e1-261405aef3b4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_7d2ff153-e6bc-4b49-b0e1-261405aef3b4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_7d2ff153-e6bc-4b49-b0e1-261405aef3b4" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_7d2ff153-e6bc-4b49-b0e1-261405aef3b4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_167ed7f6-c5e6-452c-8f8a-1cd04dd6d0a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_7d2ff153-e6bc-4b49-b0e1-261405aef3b4" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_167ed7f6-c5e6-452c-8f8a-1cd04dd6d0a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_TermAssetBackedSecuritizationsMember_fb125be6-1899-44d9-9703-0715aebe1d3b" xlink:href="hog-20250630.xsd#hog_TermAssetBackedSecuritizationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_167ed7f6-c5e6-452c-8f8a-1cd04dd6d0a6" xlink:to="loc_hog_TermAssetBackedSecuritizationsMember_fb125be6-1899-44d9-9703-0715aebe1d3b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AssetBackedUSCommercialPaperConduitFacilityMember_7b765bf8-7ebc-4d7c-b856-fe849aed5934" xlink:href="hog-20250630.xsd#hog_AssetBackedUSCommercialPaperConduitFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_167ed7f6-c5e6-452c-8f8a-1cd04dd6d0a6" xlink:to="loc_hog_AssetBackedUSCommercialPaperConduitFacilityMember_7b765bf8-7ebc-4d7c-b856-fe849aed5934" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AssetBackedCanadianCommercialPaperConduitFacilityMember_b0ed1b18-f05c-4f3c-a60c-e681bb02ae4b" xlink:href="hog-20250630.xsd#hog_AssetBackedCanadianCommercialPaperConduitFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_167ed7f6-c5e6-452c-8f8a-1cd04dd6d0a6" xlink:to="loc_hog_AssetBackedCanadianCommercialPaperConduitFacilityMember_b0ed1b18-f05c-4f3c-a60c-e681bb02ae4b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount_26d1c8d1-0966-44ee-9371-fe5d0e441bd0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAndAssociatedLiabilitiesOfTransfersAccountedForAsSecuredBorrowingsLineItems_42b89aed-647e-496e-970a-156c18eac11a" xlink:to="loc_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssetsCarryingAmount_26d1c8d1-0966-44ee-9371-fe5d0e441bd0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_TransfersAccountedForAsSecuredBorrowingsAssetsAllowanceForCreditLossesCarryingAmount_05885792-6b4b-4703-99f5-befbffcfbb2c" xlink:href="hog-20250630.xsd#hog_TransfersAccountedForAsSecuredBorrowingsAssetsAllowanceForCreditLossesCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAndAssociatedLiabilitiesOfTransfersAccountedForAsSecuredBorrowingsLineItems_42b89aed-647e-496e-970a-156c18eac11a" xlink:to="loc_hog_TransfersAccountedForAsSecuredBorrowingsAssetsAllowanceForCreditLossesCarryingAmount_05885792-6b4b-4703-99f5-befbffcfbb2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_a22c5ba7-42f6-47d3-9d24-cee258b136ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAndAssociatedLiabilitiesOfTransfersAccountedForAsSecuredBorrowingsLineItems_42b89aed-647e-496e-970a-156c18eac11a" xlink:to="loc_us-gaap_TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount_a22c5ba7-42f6-47d3-9d24-cee258b136ed" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/AssetBackedFinancingScheduleofTransferofFinancialAssetsAccountedforasSalesDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#AssetBackedFinancingScheduleofTransferofFinancialAssetsAccountedforasSalesDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/AssetBackedFinancingScheduleofTransferofFinancialAssetsAccountedforasSalesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAndAssociatedLiabilitiesOfTransfersAccountedForAsSecuredBorrowingsLineItems_568691b4-d802-4283-996d-5904471dea11" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsAndAssociatedLiabilitiesOfTransfersAccountedForAsSecuredBorrowingsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_a3209586-42dd-4391-a4ff-e98d89cf64af" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AssetsAndAssociatedLiabilitiesOfTransfersAccountedForAsSecuredBorrowingsLineItems_568691b4-d802-4283-996d-5904471dea11" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_a3209586-42dd-4391-a4ff-e98d89cf64af" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_2a44eb4b-92e0-40cb-862c-f1776ec99b21" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_a3209586-42dd-4391-a4ff-e98d89cf64af" xlink:to="loc_srt_ConsolidatedEntitiesAxis_2a44eb4b-92e0-40cb-862c-f1776ec99b21" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_2a44eb4b-92e0-40cb-862c-f1776ec99b21_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_2a44eb4b-92e0-40cb-862c-f1776ec99b21" xlink:to="loc_srt_ConsolidatedEntitiesDomain_2a44eb4b-92e0-40cb-862c-f1776ec99b21_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_7c1fb91b-77c2-425b-b539-ac831e759808" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_2a44eb4b-92e0-40cb-862c-f1776ec99b21" xlink:to="loc_srt_ConsolidatedEntitiesDomain_7c1fb91b-77c2-425b-b539-ac831e759808" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_ff9147a1-3248-4d82-9dc5-29c4c482e63e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_7c1fb91b-77c2-425b-b539-ac831e759808" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_ff9147a1-3248-4d82-9dc5-29c4c482e63e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_9b18e173-f9ed-4872-ae60-a3615d7464d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_a3209586-42dd-4391-a4ff-e98d89cf64af" xlink:to="loc_us-gaap_CreditFacilityAxis_9b18e173-f9ed-4872-ae60-a3615d7464d6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_9b18e173-f9ed-4872-ae60-a3615d7464d6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_9b18e173-f9ed-4872-ae60-a3615d7464d6" xlink:to="loc_us-gaap_CreditFacilityDomain_9b18e173-f9ed-4872-ae60-a3615d7464d6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_240e48ea-61f1-44ec-9abe-e38c4cafaf82" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_9b18e173-f9ed-4872-ae60-a3615d7464d6" xlink:to="loc_us-gaap_CreditFacilityDomain_240e48ea-61f1-44ec-9abe-e38c4cafaf82" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticLineOfCreditMember_b634c12f-ce07-4680-b148-2f79f40bebd0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DomesticLineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_240e48ea-61f1-44ec-9abe-e38c4cafaf82" xlink:to="loc_us-gaap_DomesticLineOfCreditMember_b634c12f-ce07-4680-b148-2f79f40bebd0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignLineOfCreditMember_c4adb44f-d1c8-4bc8-96bd-0abbe1d2c9d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignLineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_240e48ea-61f1-44ec-9abe-e38c4cafaf82" xlink:to="loc_us-gaap_ForeignLineOfCreditMember_c4adb44f-d1c8-4bc8-96bd-0abbe1d2c9d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_97edb655-9d32-49b3-a3bf-dad01e24dcbe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_a3209586-42dd-4391-a4ff-e98d89cf64af" xlink:to="loc_us-gaap_DebtInstrumentAxis_97edb655-9d32-49b3-a3bf-dad01e24dcbe" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_97edb655-9d32-49b3-a3bf-dad01e24dcbe_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_97edb655-9d32-49b3-a3bf-dad01e24dcbe" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_97edb655-9d32-49b3-a3bf-dad01e24dcbe_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_d8a1c1aa-5837-4066-94f8-bac73cc1745f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_97edb655-9d32-49b3-a3bf-dad01e24dcbe" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_d8a1c1aa-5837-4066-94f8-bac73cc1745f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AssetBackedSecuritizationVIEMember_db31eb42-5bdf-41b7-b47b-100812000733" xlink:href="hog-20250630.xsd#hog_AssetBackedSecuritizationVIEMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d8a1c1aa-5837-4066-94f8-bac73cc1745f" xlink:to="loc_hog_AssetBackedSecuritizationVIEMember_db31eb42-5bdf-41b7-b47b-100812000733" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AssetBackedU.S.CommercialPaperConduitFacilityVIEMember_e7f6110d-dd39-47cf-9f5b-ba67f1459f38" xlink:href="hog-20250630.xsd#hog_AssetBackedU.S.CommercialPaperConduitFacilityVIEMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d8a1c1aa-5837-4066-94f8-bac73cc1745f" xlink:to="loc_hog_AssetBackedU.S.CommercialPaperConduitFacilityVIEMember_e7f6110d-dd39-47cf-9f5b-ba67f1459f38" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AssetBackedCanadianCommercialPaperConduitFacilityMember_f1b94573-8991-4286-9fac-89ced5174a79" xlink:href="hog-20250630.xsd#hog_AssetBackedCanadianCommercialPaperConduitFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d8a1c1aa-5837-4066-94f8-bac73cc1745f" xlink:to="loc_hog_AssetBackedCanadianCommercialPaperConduitFacilityMember_f1b94573-8991-4286-9fac-89ced5174a79" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_62fe83f2-2dcd-4a88-acfb-251cfa6bc70e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_a3209586-42dd-4391-a4ff-e98d89cf64af" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_62fe83f2-2dcd-4a88-acfb-251cfa6bc70e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_62fe83f2-2dcd-4a88-acfb-251cfa6bc70e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_62fe83f2-2dcd-4a88-acfb-251cfa6bc70e" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_62fe83f2-2dcd-4a88-acfb-251cfa6bc70e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_c60bc45f-3101-4ef8-bf06-0f0c2fb28909" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_62fe83f2-2dcd-4a88-acfb-251cfa6bc70e" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_c60bc45f-3101-4ef8-bf06-0f0c2fb28909" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_eca35ce3-ce09-4453-92c5-cf5e97d7a990" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_c60bc45f-3101-4ef8-bf06-0f0c2fb28909" xlink:to="loc_us-gaap_SecuredDebtMember_eca35ce3-ce09-4453-92c5-cf5e97d7a990" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_814ae29f-3b1d-49dd-a372-b8e9516813a2" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_a3209586-42dd-4391-a4ff-e98d89cf64af" xlink:to="loc_srt_CounterpartyNameAxis_814ae29f-3b1d-49dd-a372-b8e9516813a2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_814ae29f-3b1d-49dd-a372-b8e9516813a2_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_814ae29f-3b1d-49dd-a372-b8e9516813a2" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_814ae29f-3b1d-49dd-a372-b8e9516813a2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_3f09e8c8-33c1-4ba3-9b5c-e78c1d738b09" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_814ae29f-3b1d-49dd-a372-b8e9516813a2" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_3f09e8c8-33c1-4ba3-9b5c-e78c1d738b09" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_SPEMember_14efd0a4-1ccd-4995-bdc1-708d2cc7fbfe" xlink:href="hog-20250630.xsd#hog_SPEMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_3f09e8c8-33c1-4ba3-9b5c-e78c1d738b09" xlink:to="loc_hog_SPEMember_14efd0a4-1ccd-4995-bdc1-708d2cc7fbfe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_CashFlowsBetweenTransferorAndTransfereeTransfersOnFinanceReceivables1_1b2ab0eb-aaec-4e62-8631-8dbe086b92d5" xlink:href="hog-20250630.xsd#hog_CashFlowsBetweenTransferorAndTransfereeTransfersOnFinanceReceivables1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAndAssociatedLiabilitiesOfTransfersAccountedForAsSecuredBorrowingsLineItems_568691b4-d802-4283-996d-5904471dea11" xlink:to="loc_hog_CashFlowsBetweenTransferorAndTransfereeTransfersOnFinanceReceivables1_1b2ab0eb-aaec-4e62-8631-8dbe086b92d5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_CashFlowsBetweenTransferorAndTransfereeNotAccountedForAsASaleProceedsFromNewTransfers_cfb1ff80-4c92-43b3-a1e5-bbe6e759da9d" xlink:href="hog-20250630.xsd#hog_CashFlowsBetweenTransferorAndTransfereeNotAccountedForAsASaleProceedsFromNewTransfers"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAndAssociatedLiabilitiesOfTransfersAccountedForAsSecuredBorrowingsLineItems_568691b4-d802-4283-996d-5904471dea11" xlink:to="loc_hog_CashFlowsBetweenTransferorAndTransfereeNotAccountedForAsASaleProceedsFromNewTransfers_cfb1ff80-4c92-43b3-a1e5-bbe6e759da9d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_CashFlowsBetweenTransferorAndTransfereeNotAccountedForAsASaleProceedsFromNewTransfersNet_6f13cb9f-384d-447b-b237-a8d9b927a68d" xlink:href="hog-20250630.xsd#hog_CashFlowsBetweenTransferorAndTransfereeNotAccountedForAsASaleProceedsFromNewTransfersNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAndAssociatedLiabilitiesOfTransfersAccountedForAsSecuredBorrowingsLineItems_568691b4-d802-4283-996d-5904471dea11" xlink:to="loc_hog_CashFlowsBetweenTransferorAndTransfereeNotAccountedForAsASaleProceedsFromNewTransfersNet_6f13cb9f-384d-447b-b237-a8d9b927a68d" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/AssetBackedFinancingAdditionalInformationDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#AssetBackedFinancingAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/AssetBackedFinancingAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_750b65f0-507c-42a2-80db-98815eab788c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_75479021-d249-465a-b6bd-f41d81c04234" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_750b65f0-507c-42a2-80db-98815eab788c" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_75479021-d249-465a-b6bd-f41d81c04234" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_4948ce3d-d87b-439e-9e21-8394726b96d7" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_75479021-d249-465a-b6bd-f41d81c04234" xlink:to="loc_srt_ConsolidatedEntitiesAxis_4948ce3d-d87b-439e-9e21-8394726b96d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_4948ce3d-d87b-439e-9e21-8394726b96d7_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_4948ce3d-d87b-439e-9e21-8394726b96d7" xlink:to="loc_srt_ConsolidatedEntitiesDomain_4948ce3d-d87b-439e-9e21-8394726b96d7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_fd08d54c-8003-494f-993b-85a776f2baf3" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_4948ce3d-d87b-439e-9e21-8394726b96d7" xlink:to="loc_srt_ConsolidatedEntitiesDomain_fd08d54c-8003-494f-993b-85a776f2baf3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember_5652a8b1-f689-4d17-81d4-f4d72a737825" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_fd08d54c-8003-494f-993b-85a776f2baf3" xlink:to="loc_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember_5652a8b1-f689-4d17-81d4-f4d72a737825" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_725dd045-de78-4985-baa5-332637623b89" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_fd08d54c-8003-494f-993b-85a776f2baf3" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_725dd045-de78-4985-baa5-332637623b89" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_1b868fdd-31b5-4c97-a2cd-0c43d9369b5b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_75479021-d249-465a-b6bd-f41d81c04234" xlink:to="loc_us-gaap_CreditFacilityAxis_1b868fdd-31b5-4c97-a2cd-0c43d9369b5b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_1b868fdd-31b5-4c97-a2cd-0c43d9369b5b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_1b868fdd-31b5-4c97-a2cd-0c43d9369b5b" xlink:to="loc_us-gaap_CreditFacilityDomain_1b868fdd-31b5-4c97-a2cd-0c43d9369b5b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_e79190e4-4e8e-4b79-9587-d3429e733bca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_1b868fdd-31b5-4c97-a2cd-0c43d9369b5b" xlink:to="loc_us-gaap_CreditFacilityDomain_e79190e4-4e8e-4b79-9587-d3429e733bca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticLineOfCreditMember_e320043e-6295-40a0-bed6-4ef1c06cc2c0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DomesticLineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_e79190e4-4e8e-4b79-9587-d3429e733bca" xlink:to="loc_us-gaap_DomesticLineOfCreditMember_e320043e-6295-40a0-bed6-4ef1c06cc2c0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignLineOfCreditMember_666f8110-2ad6-4da5-b88b-faf352998ed9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignLineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_e79190e4-4e8e-4b79-9587-d3429e733bca" xlink:to="loc_us-gaap_ForeignLineOfCreditMember_666f8110-2ad6-4da5-b88b-faf352998ed9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_b02ac299-be89-4c05-8684-f5e360bafa1a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_75479021-d249-465a-b6bd-f41d81c04234" xlink:to="loc_us-gaap_DebtInstrumentAxis_b02ac299-be89-4c05-8684-f5e360bafa1a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_b02ac299-be89-4c05-8684-f5e360bafa1a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_b02ac299-be89-4c05-8684-f5e360bafa1a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_b02ac299-be89-4c05-8684-f5e360bafa1a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_7e6f46e6-c20d-4527-9496-bccb09bf818b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_b02ac299-be89-4c05-8684-f5e360bafa1a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_7e6f46e6-c20d-4527-9496-bccb09bf818b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AssetBackedUSCommercialPaperConduitFacilityVIECombinedFacilitiesMember_b9ae029b-a6b5-4d35-bb6c-4e5d3b2f3647" xlink:href="hog-20250630.xsd#hog_AssetBackedUSCommercialPaperConduitFacilityVIECombinedFacilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7e6f46e6-c20d-4527-9496-bccb09bf818b" xlink:to="loc_hog_AssetBackedUSCommercialPaperConduitFacilityVIECombinedFacilitiesMember_b9ae029b-a6b5-4d35-bb6c-4e5d3b2f3647" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AssetBackedU.S.CommercialPaperConduitFacilityVIEMember_ea7bed97-1e20-4500-8ce9-42155cfd6e31" xlink:href="hog-20250630.xsd#hog_AssetBackedU.S.CommercialPaperConduitFacilityVIEMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7e6f46e6-c20d-4527-9496-bccb09bf818b" xlink:to="loc_hog_AssetBackedU.S.CommercialPaperConduitFacilityVIEMember_ea7bed97-1e20-4500-8ce9-42155cfd6e31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AssetBackedCanadianCommercialPaperConduitFacilityMember_e97baf5b-adde-432a-8222-ea4de157aa15" xlink:href="hog-20250630.xsd#hog_AssetBackedCanadianCommercialPaperConduitFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7e6f46e6-c20d-4527-9496-bccb09bf818b" xlink:to="loc_hog_AssetBackedCanadianCommercialPaperConduitFacilityMember_e97baf5b-adde-432a-8222-ea4de157aa15" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_5ea0e907-3cb1-422b-9ac9-d6eb655cae70" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_75479021-d249-465a-b6bd-f41d81c04234" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_5ea0e907-3cb1-422b-9ac9-d6eb655cae70" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_5ea0e907-3cb1-422b-9ac9-d6eb655cae70_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_5ea0e907-3cb1-422b-9ac9-d6eb655cae70" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_5ea0e907-3cb1-422b-9ac9-d6eb655cae70_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_3fb23796-7334-4ed8-97c4-c079b0821172" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_5ea0e907-3cb1-422b-9ac9-d6eb655cae70" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_3fb23796-7334-4ed8-97c4-c079b0821172" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_02be5a30-0f91-491d-b8cc-0f0d7a2c3347" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_3fb23796-7334-4ed8-97c4-c079b0821172" xlink:to="loc_us-gaap_SecuredDebtMember_02be5a30-0f91-491d-b8cc-0f0d7a2c3347" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_b694b144-76e0-4ae2-a531-f373fc29a132" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_750b65f0-507c-42a2-80db-98815eab788c" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_b694b144-76e0-4ae2-a531-f373fc29a132" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTerm_191c33b2-0b96-41f4-bdd7-e0c8aaa18a6e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_750b65f0-507c-42a2-80db-98815eab788c" xlink:to="loc_us-gaap_DebtInstrumentTerm_191c33b2-0b96-41f4-bdd7-e0c8aaa18a6e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount_f9b16136-8f1c-4a22-86b7-85884bd4b9a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_750b65f0-507c-42a2-80db-98815eab788c" xlink:to="loc_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount_f9b16136-8f1c-4a22-86b7-85884bd4b9a7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_CashFlowsBetweenTransferorAndTransfereeTransfersOnFinanceReceivables1_90970ab4-1753-41da-8ad0-cad04d78ff4b" xlink:href="hog-20250630.xsd#hog_CashFlowsBetweenTransferorAndTransfereeTransfersOnFinanceReceivables1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_750b65f0-507c-42a2-80db-98815eab788c" xlink:to="loc_hog_CashFlowsBetweenTransferorAndTransfereeTransfersOnFinanceReceivables1_90970ab4-1753-41da-8ad0-cad04d78ff4b" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/FairValueScheduleofAssetsandLiabilitiesMeasuredatFairValueDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#FairValueScheduleofAssetsandLiabilitiesMeasuredatFairValueDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/FairValueScheduleofAssetsandLiabilitiesMeasuredatFairValueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_0ce1161a-7f8d-41cb-aa7c-535ed7d1ec2e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7ad8de84-c699-49c3-96ff-0bcf02cb28d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_0ce1161a-7f8d-41cb-aa7c-535ed7d1ec2e" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7ad8de84-c699-49c3-96ff-0bcf02cb28d9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_3fb4e74d-caa6-4253-9cf1-9e22ff584fbc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7ad8de84-c699-49c3-96ff-0bcf02cb28d9" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_3fb4e74d-caa6-4253-9cf1-9e22ff584fbc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_3fb4e74d-caa6-4253-9cf1-9e22ff584fbc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_3fb4e74d-caa6-4253-9cf1-9e22ff584fbc" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_3fb4e74d-caa6-4253-9cf1-9e22ff584fbc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_8e1b0861-9942-496a-89a8-ffdf81c7f137" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_3fb4e74d-caa6-4253-9cf1-9e22ff584fbc" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_8e1b0861-9942-496a-89a8-ffdf81c7f137" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_f2cfeb32-49da-4ef7-95a2-2c8ba26a98b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_8e1b0861-9942-496a-89a8-ffdf81c7f137" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_f2cfeb32-49da-4ef7-95a2-2c8ba26a98b6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_3ede1eac-7c03-4ba3-bdd5-a348b1e3c7a2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_7ad8de84-c699-49c3-96ff-0bcf02cb28d9" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_3ede1eac-7c03-4ba3-bdd5-a348b1e3c7a2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3ede1eac-7c03-4ba3-bdd5-a348b1e3c7a2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_3ede1eac-7c03-4ba3-bdd5-a348b1e3c7a2" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3ede1eac-7c03-4ba3-bdd5-a348b1e3c7a2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_f54e044c-fbdb-4048-9893-a057e004854c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_3ede1eac-7c03-4ba3-bdd5-a348b1e3c7a2" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_f54e044c-fbdb-4048-9893-a057e004854c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_430a0474-5aa7-488c-994b-a2a181a66319" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_f54e044c-fbdb-4048-9893-a057e004854c" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_430a0474-5aa7-488c-994b-a2a181a66319" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_8318ed06-072b-4a0e-8eed-e29e38eb7d56" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_f54e044c-fbdb-4048-9893-a057e004854c" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_8318ed06-072b-4a0e-8eed-e29e38eb7d56" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_1e47155b-3f04-4441-a90a-303f9fd23f8a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_0ce1161a-7f8d-41cb-aa7c-535ed7d1ec2e" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_1e47155b-3f04-4441-a90a-303f9fd23f8a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_b1d82003-1220-4a17-bb9e-89c36bd789b4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_1e47155b-3f04-4441-a90a-303f9fd23f8a" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_b1d82003-1220-4a17-bb9e-89c36bd789b4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_2ca89cf8-a1ec-4fa9-a650-1c019b9488d4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_1e47155b-3f04-4441-a90a-303f9fd23f8a" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_2ca89cf8-a1ec-4fa9-a650-1c019b9488d4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_4b9d5dfe-40a2-4f37-b3e3-5a689ccd0f1a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_1e47155b-3f04-4441-a90a-303f9fd23f8a" xlink:to="loc_us-gaap_DerivativeAssets_4b9d5dfe-40a2-4f37-b3e3-5a689ccd0f1a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_f9afd8ee-b91f-41bc-b167-e36c34373f69" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_1e47155b-3f04-4441-a90a-303f9fd23f8a" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_f9afd8ee-b91f-41bc-b167-e36c34373f69" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_89329019-1d3b-4957-ae60-2da636c5a1e4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_0ce1161a-7f8d-41cb-aa7c-535ed7d1ec2e" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_89329019-1d3b-4957-ae60-2da636c5a1e4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_b03f9321-2288-4f6f-9c75-46f1454ee2f6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_89329019-1d3b-4957-ae60-2da636c5a1e4" xlink:to="loc_us-gaap_DerivativeLiabilities_b03f9321-2288-4f6f-9c75-46f1454ee2f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstanding_ea7e8929-254c-4c35-ac91-e44917457599" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WarrantsAndRightsOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_89329019-1d3b-4957-ae60-2da636c5a1e4" xlink:to="loc_us-gaap_WarrantsAndRightsOutstanding_ea7e8929-254c-4c35-ac91-e44917457599" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_91267487-9d8b-4a20-b161-f9765a7ef9b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_89329019-1d3b-4957-ae60-2da636c5a1e4" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_91267487-9d8b-4a20-b161-f9765a7ef9b0" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/FairValueAdditionalInformationDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#FairValueAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/FairValueAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3bbce1c3-9f27-4874-a98a-2ef7357c945c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_39507bee-dfd0-4dc3-9ee9-a256baf17017" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3bbce1c3-9f27-4874-a98a-2ef7357c945c" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_39507bee-dfd0-4dc3-9ee9-a256baf17017" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c668fcf1-a66d-42ac-9ca9-92227c7e339b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_39507bee-dfd0-4dc3-9ee9-a256baf17017" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c668fcf1-a66d-42ac-9ca9-92227c7e339b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c668fcf1-a66d-42ac-9ca9-92227c7e339b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c668fcf1-a66d-42ac-9ca9-92227c7e339b" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c668fcf1-a66d-42ac-9ca9-92227c7e339b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3f20bbca-5a12-43a1-a67c-973f13bd47a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c668fcf1-a66d-42ac-9ca9-92227c7e339b" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3f20bbca-5a12-43a1-a67c-973f13bd47a9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_cd734069-6898-4d3f-880e-f5548d3d1fbe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_3f20bbca-5a12-43a1-a67c-973f13bd47a9" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_cd734069-6898-4d3f-880e-f5548d3d1fbe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_896c87ff-93b3-48aa-a601-d7d358b2983e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_39507bee-dfd0-4dc3-9ee9-a256baf17017" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_896c87ff-93b3-48aa-a601-d7d358b2983e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_896c87ff-93b3-48aa-a601-d7d358b2983e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_896c87ff-93b3-48aa-a601-d7d358b2983e" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_896c87ff-93b3-48aa-a601-d7d358b2983e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_073a7e8c-a97a-4f33-8b94-6d66aae79e44" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_896c87ff-93b3-48aa-a601-d7d358b2983e" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_073a7e8c-a97a-4f33-8b94-6d66aae79e44" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_ad036d74-f25c-4b64-9838-a003d886396d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_073a7e8c-a97a-4f33-8b94-6d66aae79e44" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_ad036d74-f25c-4b64-9838-a003d886396d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_86089417-a1ac-4c97-b359-2f82b4d8770f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_ad036d74-f25c-4b64-9838-a003d886396d" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_86089417-a1ac-4c97-b359-2f82b4d8770f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeDuringPeriodFairValueDisclosureMember_1b5918d0-6039-4689-86c5-4de99f4f70b7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ChangeDuringPeriodFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_ad036d74-f25c-4b64-9838-a003d886396d" xlink:to="loc_us-gaap_ChangeDuringPeriodFairValueDisclosureMember_1b5918d0-6039-4689-86c5-4de99f4f70b7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_341e3bed-527f-4952-a0dc-dcd7622e4f9c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_39507bee-dfd0-4dc3-9ee9-a256baf17017" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_341e3bed-527f-4952-a0dc-dcd7622e4f9c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_341e3bed-527f-4952-a0dc-dcd7622e4f9c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_341e3bed-527f-4952-a0dc-dcd7622e4f9c" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_341e3bed-527f-4952-a0dc-dcd7622e4f9c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_0c5b9be0-d6b7-40eb-ae84-efd715274d47" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_341e3bed-527f-4952-a0dc-dcd7622e4f9c" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_0c5b9be0-d6b7-40eb-ae84-efd715274d47" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsNonrecurringMember_1c725a9c-bd70-4943-a880-58461379bd9f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsNonrecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_0c5b9be0-d6b7-40eb-ae84-efd715274d47" xlink:to="loc_us-gaap_FairValueMeasurementsNonrecurringMember_1c725a9c-bd70-4943-a880-58461379bd9f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_RepossessedInventoryFairValueDisclosure_0a808867-8f11-4bbb-9ef2-e08d9270b6e2" xlink:href="hog-20250630.xsd#hog_RepossessedInventoryFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3bbce1c3-9f27-4874-a98a-2ef7357c945c" xlink:to="loc_hog_RepossessedInventoryFairValueDisclosure_0a808867-8f11-4bbb-9ef2-e08d9270b6e2" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/FairValueScheduleofFairValueandCarryingValueofCompanyFinancialInstrumentsDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#FairValueScheduleofFairValueandCarryingValueofCompanyFinancialInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/FairValueScheduleofFairValueandCarryingValueofCompanyFinancialInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_8fae3aaa-9009-44d2-bce6-2378787bec5f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_5021cac8-37d2-4a96-a61c-f9a48fab79ae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_8fae3aaa-9009-44d2-bce6-2378787bec5f" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_5021cac8-37d2-4a96-a61c-f9a48fab79ae" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_64307d11-c44d-4794-9454-7898c9872bbf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_5021cac8-37d2-4a96-a61c-f9a48fab79ae" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_64307d11-c44d-4794-9454-7898c9872bbf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_64307d11-c44d-4794-9454-7898c9872bbf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_64307d11-c44d-4794-9454-7898c9872bbf" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_64307d11-c44d-4794-9454-7898c9872bbf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_fa8e56a1-01aa-445c-99fe-b0e6d1664f86" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_64307d11-c44d-4794-9454-7898c9872bbf" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_fa8e56a1-01aa-445c-99fe-b0e6d1664f86" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_08a7bd27-c3ab-4c2b-b121-63b345dd7c03" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_fa8e56a1-01aa-445c-99fe-b0e6d1664f86" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_08a7bd27-c3ab-4c2b-b121-63b345dd7c03" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_8eaedbd9-7150-4147-8391-70ab5224af96" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_08a7bd27-c3ab-4c2b-b121-63b345dd7c03" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_8eaedbd9-7150-4147-8391-70ab5224af96" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_6ef189be-21e7-4ad6-b558-e601a1d67558" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_08a7bd27-c3ab-4c2b-b121-63b345dd7c03" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_6ef189be-21e7-4ad6-b558-e601a1d67558" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis_8291c184-5ee1-4eca-92dc-dbdcf7f3bc25" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_5021cac8-37d2-4a96-a61c-f9a48fab79ae" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_8291c184-5ee1-4eca-92dc-dbdcf7f3bc25" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_8291c184-5ee1-4eca-92dc-dbdcf7f3bc25_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_8291c184-5ee1-4eca-92dc-dbdcf7f3bc25" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_8291c184-5ee1-4eca-92dc-dbdcf7f3bc25_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain_eabdd1d6-dd78-4292-abe5-ffa3b6cb6e12" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_8291c184-5ee1-4eca-92dc-dbdcf7f3bc25" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_eabdd1d6-dd78-4292-abe5-ffa3b6cb6e12" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_c6e58251-51a7-4092-815d-087afd3c845f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommercialPaperMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_eabdd1d6-dd78-4292-abe5-ffa3b6cb6e12" xlink:to="loc_us-gaap_CommercialPaperMember_c6e58251-51a7-4092-815d-087afd3c845f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_a3e39484-d16a-4ca8-810b-55037267e288" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_5021cac8-37d2-4a96-a61c-f9a48fab79ae" xlink:to="loc_us-gaap_DebtInstrumentAxis_a3e39484-d16a-4ca8-810b-55037267e288" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_a3e39484-d16a-4ca8-810b-55037267e288_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_a3e39484-d16a-4ca8-810b-55037267e288" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_a3e39484-d16a-4ca8-810b-55037267e288_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_d7cd2d4a-644e-424f-9749-9aee70db6c6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_a3e39484-d16a-4ca8-810b-55037267e288" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_d7cd2d4a-644e-424f-9749-9aee70db6c6a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AssetBackedU.S.CommercialPaperConduitFacilityVIEMember_fdc7a940-6729-4aa1-b54d-7523593acfb9" xlink:href="hog-20250630.xsd#hog_AssetBackedU.S.CommercialPaperConduitFacilityVIEMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d7cd2d4a-644e-424f-9749-9aee70db6c6a" xlink:to="loc_hog_AssetBackedU.S.CommercialPaperConduitFacilityVIEMember_fdc7a940-6729-4aa1-b54d-7523593acfb9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AssetBackedCanadianCommercialPaperConduitFacilityMember_f3b5306b-a94a-400b-8a05-99d1c39e4768" xlink:href="hog-20250630.xsd#hog_AssetBackedCanadianCommercialPaperConduitFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d7cd2d4a-644e-424f-9749-9aee70db6c6a" xlink:to="loc_hog_AssetBackedCanadianCommercialPaperConduitFacilityMember_f3b5306b-a94a-400b-8a05-99d1c39e4768" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_TermAssetBackedSecuritizationVIEsMember_be7a4d22-0731-42d5-b97a-e8327e9fb56e" xlink:href="hog-20250630.xsd#hog_TermAssetBackedSecuritizationVIEsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d7cd2d4a-644e-424f-9749-9aee70db6c6a" xlink:to="loc_hog_TermAssetBackedSecuritizationVIEsMember_be7a4d22-0731-42d5-b97a-e8327e9fb56e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_dbd13e01-3a4a-4c45-ad1e-7f8bbe6811bb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_5021cac8-37d2-4a96-a61c-f9a48fab79ae" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_dbd13e01-3a4a-4c45-ad1e-7f8bbe6811bb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_dbd13e01-3a4a-4c45-ad1e-7f8bbe6811bb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_dbd13e01-3a4a-4c45-ad1e-7f8bbe6811bb" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_dbd13e01-3a4a-4c45-ad1e-7f8bbe6811bb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_d3643412-735c-4a64-9f99-479951d62979" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_dbd13e01-3a4a-4c45-ad1e-7f8bbe6811bb" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_d3643412-735c-4a64-9f99-479951d62979" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_2b2c28b3-2b3b-4554-b2c6-b78404213c27" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_d3643412-735c-4a64-9f99-479951d62979" xlink:to="loc_us-gaap_SecuredDebtMember_2b2c28b3-2b3b-4554-b2c6-b78404213c27" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MediumTermNotesMember_f8bd33f0-7cc5-4813-aca0-955c69d19e66" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_d3643412-735c-4a64-9f99-479951d62979" xlink:to="loc_us-gaap_MediumTermNotesMember_f8bd33f0-7cc5-4813-aca0-955c69d19e66" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_0c6b6e0f-69c3-4d8e-bed6-0ee60b301d95" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_d3643412-735c-4a64-9f99-479951d62979" xlink:to="loc_us-gaap_SeniorNotesMember_0c6b6e0f-69c3-4d8e-bed6-0ee60b301d95" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_b99c5561-1266-4d24-bea8-552fbf2dc9b5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_8fae3aaa-9009-44d2-bce6-2378787bec5f" xlink:to="loc_us-gaap_AssetsAbstract_b99c5561-1266-4d24-bea8-552fbf2dc9b5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableFairValueDisclosure_7b2e25be-240b-40c3-8df7-61e5216a3d33" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NotesReceivableFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_b99c5561-1266-4d24-bea8-552fbf2dc9b5" xlink:to="loc_us-gaap_NotesReceivableFairValueDisclosure_7b2e25be-240b-40c3-8df7-61e5216a3d33" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAbstract_a5a8ff4e-69f5-4f28-8bb5-c090d5333ecd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_8fae3aaa-9009-44d2-bce6-2378787bec5f" xlink:to="loc_us-gaap_LiabilitiesAbstract_a5a8ff4e-69f5-4f28-8bb5-c090d5333ecd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepositsFairValueDisclosure_a3381d7a-f666-4602-989a-2bb6a090cd1e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepositsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_a5a8ff4e-69f5-4f28-8bb5-c090d5333ecd" xlink:to="loc_us-gaap_DepositsFairValueDisclosure_a3381d7a-f666-4602-989a-2bb6a090cd1e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentsAbstract_0c3f5586-4901-421f-9b58-66a754a43361" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_a5a8ff4e-69f5-4f28-8bb5-c090d5333ecd" xlink:to="loc_us-gaap_DebtInstrumentsAbstract_0c3f5586-4901-421f-9b58-66a754a43361" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShorttermDebtFairValue_84006902-1fa9-44a6-aec5-f6cbaec81d08" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShorttermDebtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_0c3f5586-4901-421f-9b58-66a754a43361" xlink:to="loc_us-gaap_ShorttermDebtFairValue_84006902-1fa9-44a6-aec5-f6cbaec81d08" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_1c069803-1299-4604-a1f6-36caa1820b32" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentsAbstract_0c3f5586-4901-421f-9b58-66a754a43361" xlink:to="loc_us-gaap_DebtInstrumentFairValue_1c069803-1299-4604-a1f6-36caa1820b32" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/ProductWarrantyandRecallCampaignsAdditionalInformationDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#ProductWarrantyandRecallCampaignsAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/ProductWarrantyandRecallCampaignsAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductInformationLineItems_e8207ed2-7de9-48e2-9470-0ec48b79e6dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProductInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfProductInformationTable_dac5b23c-b1e0-4791-affd-e3e6c7bfcf9b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfProductInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ProductInformationLineItems_e8207ed2-7de9-48e2-9470-0ec48b79e6dc" xlink:to="loc_us-gaap_ScheduleOfProductInformationTable_dac5b23c-b1e0-4791-affd-e3e6c7bfcf9b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_740cc4a9-1468-4613-8cc0-9cfa8d65dff1" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_dac5b23c-b1e0-4791-affd-e3e6c7bfcf9b" xlink:to="loc_srt_ProductOrServiceAxis_740cc4a9-1468-4613-8cc0-9cfa8d65dff1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_740cc4a9-1468-4613-8cc0-9cfa8d65dff1_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_740cc4a9-1468-4613-8cc0-9cfa8d65dff1" xlink:to="loc_srt_ProductsAndServicesDomain_740cc4a9-1468-4613-8cc0-9cfa8d65dff1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_0288aa32-eaae-45e4-97c5-fbf3bf106b4d" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_740cc4a9-1468-4613-8cc0-9cfa8d65dff1" xlink:to="loc_srt_ProductsAndServicesDomain_0288aa32-eaae-45e4-97c5-fbf3bf106b4d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_MotorcyclesMember_a1ef5e45-d7d9-475a-9d88-f05fda61934e" xlink:href="hog-20250630.xsd#hog_MotorcyclesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_0288aa32-eaae-45e4-97c5-fbf3bf106b4d" xlink:to="loc_hog_MotorcyclesMember_a1ef5e45-d7d9-475a-9d88-f05fda61934e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_BatteryForElectricMotorcyclesMember_9809e1de-81cd-4662-a6c3-e82e76eee253" xlink:href="hog-20250630.xsd#hog_BatteryForElectricMotorcyclesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_0288aa32-eaae-45e4-97c5-fbf3bf106b4d" xlink:to="loc_hog_BatteryForElectricMotorcyclesMember_9809e1de-81cd-4662-a6c3-e82e76eee253" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_PartsAndAccessoriesAndApparelMember_7e9b7aca-cc9e-4a55-931e-99da264787fa" xlink:href="hog-20250630.xsd#hog_PartsAndAccessoriesAndApparelMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_0288aa32-eaae-45e4-97c5-fbf3bf106b4d" xlink:to="loc_hog_PartsAndAccessoriesAndApparelMember_7e9b7aca-cc9e-4a55-931e-99da264787fa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_de269c24-07dd-4dd8-98d7-5f6efec4136a" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_dac5b23c-b1e0-4791-affd-e3e6c7bfcf9b" xlink:to="loc_srt_StatementGeographicalAxis_de269c24-07dd-4dd8-98d7-5f6efec4136a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_de269c24-07dd-4dd8-98d7-5f6efec4136a_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_de269c24-07dd-4dd8-98d7-5f6efec4136a" xlink:to="loc_srt_SegmentGeographicalDomain_de269c24-07dd-4dd8-98d7-5f6efec4136a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_5a89437d-e933-4ff9-819f-9a8698359be9" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_de269c24-07dd-4dd8-98d7-5f6efec4136a" xlink:to="loc_srt_SegmentGeographicalDomain_5a89437d-e933-4ff9-819f-9a8698359be9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_AllCountriesExceptCertainMarketsMember_2baac462-1ba4-4b09-a2ef-92fbb1f95ae1" xlink:href="hog-20250630.xsd#hog_AllCountriesExceptCertainMarketsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_5a89437d-e933-4ff9-819f-9a8698359be9" xlink:to="loc_hog_AllCountriesExceptCertainMarketsMember_2baac462-1ba4-4b09-a2ef-92fbb1f95ae1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_65d6958e-9632-4d81-91f4-f288a05bda39" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_dac5b23c-b1e0-4791-affd-e3e6c7bfcf9b" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_65d6958e-9632-4d81-91f4-f288a05bda39" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_65d6958e-9632-4d81-91f4-f288a05bda39_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ValuationAllowancesAndReservesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_65d6958e-9632-4d81-91f4-f288a05bda39" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_65d6958e-9632-4d81-91f4-f288a05bda39_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowancesAndReservesDomain_2b8553c5-ab52-417b-b15b-3a78c3c960dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ValuationAllowancesAndReservesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesTypeAxis_65d6958e-9632-4d81-91f4-f288a05bda39" xlink:to="loc_us-gaap_ValuationAllowancesAndReservesDomain_2b8553c5-ab52-417b-b15b-3a78c3c960dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_RecallCampaignMember_b811f23e-5964-4452-96f8-a18c476b34a8" xlink:href="hog-20250630.xsd#hog_RecallCampaignMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationAllowancesAndReservesDomain_2b8553c5-ab52-417b-b15b-3a78c3c960dd" xlink:to="loc_hog_RecallCampaignMember_b811f23e-5964-4452-96f8-a18c476b34a8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_StandardProductWarrantyPeriod_7c78a923-95c0-42c8-9845-d5ff3921f5f7" xlink:href="hog-20250630.xsd#hog_StandardProductWarrantyPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_e8207ed2-7de9-48e2-9470-0ec48b79e6dc" xlink:to="loc_hog_StandardProductWarrantyPeriod_7c78a923-95c0-42c8-9845-d5ff3921f5f7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_UnlimitedWarrantyPeriod_c11d31ad-09bf-4645-943a-869a8a1ac3df" xlink:href="hog-20250630.xsd#hog_UnlimitedWarrantyPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_e8207ed2-7de9-48e2-9470-0ec48b79e6dc" xlink:to="loc_hog_UnlimitedWarrantyPeriod_c11d31ad-09bf-4645-943a-869a8a1ac3df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandardProductWarrantyAccrual_a4648498-e672-46f6-9204-89494086647b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StandardProductWarrantyAccrual"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_e8207ed2-7de9-48e2-9470-0ec48b79e6dc" xlink:to="loc_us-gaap_StandardProductWarrantyAccrual_a4648498-e672-46f6-9204-89494086647b" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/EmployeeBenefitPlansDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#EmployeeBenefitPlansDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/EmployeeBenefitPlansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_9b1e0499-a495-4969-83c5-70b51c0d486c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_c9b001a8-37d3-4602-81f1-72480e5b1825" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_9b1e0499-a495-4969-83c5-70b51c0d486c" xlink:to="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_c9b001a8-37d3-4602-81f1-72480e5b1825" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_7e3c75d1-0e5a-4e16-8076-31b2ea188d1d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetirementPlanTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_c9b001a8-37d3-4602-81f1-72480e5b1825" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_7e3c75d1-0e5a-4e16-8076-31b2ea188d1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_7e3c75d1-0e5a-4e16-8076-31b2ea188d1d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_7e3c75d1-0e5a-4e16-8076-31b2ea188d1d" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_7e3c75d1-0e5a-4e16-8076-31b2ea188d1d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_96dde558-1436-4f30-8718-0d9fcb0ba3c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_7e3c75d1-0e5a-4e16-8076-31b2ea188d1d" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_96dde558-1436-4f30-8718-0d9fcb0ba3c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_PensionPlansandSupplementalEmployeeRetirementPlanDefinedBenefitMember_0ae6047a-874c-43b5-82e0-8ea18358117b" xlink:href="hog-20250630.xsd#hog_PensionPlansandSupplementalEmployeeRetirementPlanDefinedBenefitMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_96dde558-1436-4f30-8718-0d9fcb0ba3c7" xlink:to="loc_hog_PensionPlansandSupplementalEmployeeRetirementPlanDefinedBenefitMember_0ae6047a-874c-43b5-82e0-8ea18358117b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPostretirementHealthCoverageMember_9f8343d6-72c3-4bc1-aac0-90e78c63d6fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPostretirementHealthCoverageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_96dde558-1436-4f30-8718-0d9fcb0ba3c7" xlink:to="loc_us-gaap_DefinedBenefitPostretirementHealthCoverageMember_9f8343d6-72c3-4bc1-aac0-90e78c63d6fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_43f47b80-9851-4baa-a564-1559d69ce1bf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_9b1e0499-a495-4969-83c5-70b51c0d486c" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_43f47b80-9851-4baa-a564-1559d69ce1bf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_7ab19cbd-4a3b-4ffc-8837-7bd15a41d818" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_9b1e0499-a495-4969-83c5-70b51c0d486c" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_7ab19cbd-4a3b-4ffc-8837-7bd15a41d818" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_437f2112-a567-4033-92f4-d72b47bf6b5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_9b1e0499-a495-4969-83c5-70b51c0d486c" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_437f2112-a567-4033-92f4-d72b47bf6b5a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_6199d762-27d6-47d0-a110-bd92060c8884" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_9b1e0499-a495-4969-83c5-70b51c0d486c" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_6199d762-27d6-47d0-a110-bd92060c8884" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_e77ce698-f5db-4605-9b79-395d77d3d501" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_9b1e0499-a495-4969-83c5-70b51c0d486c" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_e77ce698-f5db-4605-9b79-395d77d3d501" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanCostOfProvidingSpecialOrContractualTerminationBenefitRecognizedDuringPeriod_d11fabb8-3887-4e4b-addc-a02838c6d7ec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanCostOfProvidingSpecialOrContractualTerminationBenefitRecognizedDuringPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_9b1e0499-a495-4969-83c5-70b51c0d486c" xlink:to="loc_us-gaap_DefinedBenefitPlanCostOfProvidingSpecialOrContractualTerminationBenefitRecognizedDuringPeriod_d11fabb8-3887-4e4b-addc-a02838c6d7ec" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_3fdc0e7e-47de-4396-9fd6-b00f0d61b43a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedBenefitPlanDisclosureLineItems_9b1e0499-a495-4969-83c5-70b51c0d486c" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_3fdc0e7e-47de-4396-9fd6-b00f0d61b43a" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#CommitmentsandContingenciesDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/CommitmentsandContingenciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_a150e70c-cac9-4f24-8684-adb0f27cf154" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_860ad4dc-be0a-4fb8-8308-e0204cbd3098" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_a150e70c-cac9-4f24-8684-adb0f27cf154" xlink:to="loc_us-gaap_LossContingenciesTable_860ad4dc-be0a-4fb8-8308-e0204cbd3098" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_dcd41059-45e7-4709-8eb4-ca96f5965288" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_860ad4dc-be0a-4fb8-8308-e0204cbd3098" xlink:to="loc_srt_RangeAxis_dcd41059-45e7-4709-8eb4-ca96f5965288" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_dcd41059-45e7-4709-8eb4-ca96f5965288_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_dcd41059-45e7-4709-8eb4-ca96f5965288" xlink:to="loc_srt_RangeMember_dcd41059-45e7-4709-8eb4-ca96f5965288_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_32707b1d-f33f-464d-832d-ec7ff1f31109" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_dcd41059-45e7-4709-8eb4-ca96f5965288" xlink:to="loc_srt_RangeMember_32707b1d-f33f-464d-832d-ec7ff1f31109" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_5df1fc05-4877-4080-9e69-1f666a3b87c5" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_32707b1d-f33f-464d-832d-ec7ff1f31109" xlink:to="loc_srt_MinimumMember_5df1fc05-4877-4080-9e69-1f666a3b87c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_2c7df474-bfaf-453e-a921-888221f75366" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_32707b1d-f33f-464d-832d-ec7ff1f31109" xlink:to="loc_srt_MaximumMember_2c7df474-bfaf-453e-a921-888221f75366" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyDamagesAwardedValue_aa794593-75c7-4234-b6be-56d61ec33113" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingencyDamagesAwardedValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_a150e70c-cac9-4f24-8684-adb0f27cf154" xlink:to="loc_us-gaap_LossContingencyDamagesAwardedValue_aa794593-75c7-4234-b6be-56d61ec33113" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_1e704ffc-f0f3-401a-a950-7f35d0f2010b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_a150e70c-cac9-4f24-8684-adb0f27cf154" xlink:to="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_1e704ffc-f0f3-401a-a950-7f35d0f2010b" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/AccumulatedOtherComprehensiveLossDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#AccumulatedOtherComprehensiveLossDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/AccumulatedOtherComprehensiveLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_d496d23c-1dd8-4ba6-a52f-9af82ae3510e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_a472cd26-eff6-4d00-9249-3edaacc42881" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_d496d23c-1dd8-4ba6-a52f-9af82ae3510e" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_a472cd26-eff6-4d00-9249-3edaacc42881" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_94c50893-32df-4910-92de-259195d2caae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_a472cd26-eff6-4d00-9249-3edaacc42881" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_94c50893-32df-4910-92de-259195d2caae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_94c50893-32df-4910-92de-259195d2caae_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_94c50893-32df-4910-92de-259195d2caae" xlink:to="loc_us-gaap_EquityComponentDomain_94c50893-32df-4910-92de-259195d2caae_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_0a888d49-3c97-49b6-8c3e-cf2263f0d158" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_94c50893-32df-4910-92de-259195d2caae" xlink:to="loc_us-gaap_EquityComponentDomain_0a888d49-3c97-49b6-8c3e-cf2263f0d158" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_786facf0-8030-4546-842a-b5879892fc77" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_0a888d49-3c97-49b6-8c3e-cf2263f0d158" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_786facf0-8030-4546-842a-b5879892fc77" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_d4d3c13a-e098-413c-b027-a30cbe82201e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_786facf0-8030-4546-842a-b5879892fc77" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_d4d3c13a-e098-413c-b027-a30cbe82201e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AociDerivativeQualifyingAsHedgeExcludedComponentParentMember_1f5bde0c-cf68-4e8f-96b2-90b83393a89e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AociDerivativeQualifyingAsHedgeExcludedComponentParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_786facf0-8030-4546-842a-b5879892fc77" xlink:to="loc_us-gaap_AociDerivativeQualifyingAsHedgeExcludedComponentParentMember_1f5bde0c-cf68-4e8f-96b2-90b83393a89e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_161deaf6-a35d-4b40-ba83-3449a1c7b757" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_786facf0-8030-4546-842a-b5879892fc77" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_161deaf6-a35d-4b40-ba83-3449a1c7b757" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_62b031b8-0287-4328-9c7a-030c751d094e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_161deaf6-a35d-4b40-ba83-3449a1c7b757" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_62b031b8-0287-4328-9c7a-030c751d094e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_881b0463-7dcc-4d46-bbc3-1664b1811df2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_161deaf6-a35d-4b40-ba83-3449a1c7b757" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_881b0463-7dcc-4d46-bbc3-1664b1811df2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_c20147ef-639b-47c6-b814-e57bd9ff7644" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_d496d23c-1dd8-4ba6-a52f-9af82ae3510e" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_c20147ef-639b-47c6-b814-e57bd9ff7644" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_d291a674-d2ff-4cf6-975e-640d5b896034" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_c20147ef-639b-47c6-b814-e57bd9ff7644" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_d291a674-d2ff-4cf6-975e-640d5b896034" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_145895f0-e088-4231-a0d1-444068654a5c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_c20147ef-639b-47c6-b814-e57bd9ff7644" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_145895f0-e088-4231-a0d1-444068654a5c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_8cd6c5ad-2358-4c00-98f5-0d8ee5cf6f19" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_c20147ef-639b-47c6-b814-e57bd9ff7644" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_8cd6c5ad-2358-4c00-98f5-0d8ee5cf6f19" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_bd8279da-f89e-44f1-8db2-02651fe6a892" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_c20147ef-639b-47c6-b814-e57bd9ff7644" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_bd8279da-f89e-44f1-8db2-02651fe6a892" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_c6c40029-b056-4d3d-8244-0545b80c006d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_c20147ef-639b-47c6-b814-e57bd9ff7644" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_c6c40029-b056-4d3d-8244-0545b80c006d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_48e41689-4be5-412a-b607-d6b61c485070" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAociCurrentPeriodTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_c20147ef-639b-47c6-b814-e57bd9ff7644" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_48e41689-4be5-412a-b607-d6b61c485070" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_42e95e5a-940b-44e3-a57e-e2ba40a43009" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_c20147ef-639b-47c6-b814-e57bd9ff7644" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_42e95e5a-940b-44e3-a57e-e2ba40a43009" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_5f07b858-a08d-4d7e-b849-314d41aca6d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_c20147ef-639b-47c6-b814-e57bd9ff7644" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_5f07b858-a08d-4d7e-b849-314d41aca6d2" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_f55a2c5a-e713-41f2-8dd5-66ef9c6ca7a8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/ReportableSegmentsScheduleofSelectedSegmentInformationDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#ReportableSegmentsScheduleofSelectedSegmentInformationDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/ReportableSegmentsScheduleofSelectedSegmentInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_47749d6d-db14-4415-bfdb-c18df6f0fbee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fad3d27b-9239-443f-bb21-8ffe63f76937" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47749d6d-db14-4415-bfdb-c18df6f0fbee" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fad3d27b-9239-443f-bb21-8ffe63f76937" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_5ddc3599-5a61-4b69-8de7-19b4f5007d04" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fad3d27b-9239-443f-bb21-8ffe63f76937" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_5ddc3599-5a61-4b69-8de7-19b4f5007d04" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_5ddc3599-5a61-4b69-8de7-19b4f5007d04_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5ddc3599-5a61-4b69-8de7-19b4f5007d04" xlink:to="loc_us-gaap_SegmentDomain_5ddc3599-5a61-4b69-8de7-19b4f5007d04_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_bb006d3a-18f2-47e3-938d-657e2c2886ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5ddc3599-5a61-4b69-8de7-19b4f5007d04" xlink:to="loc_us-gaap_SegmentDomain_bb006d3a-18f2-47e3-938d-657e2c2886ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDMCSegmentMember_4f9c9e7e-127d-441f-893e-c49b04673e4c" xlink:href="hog-20250630.xsd#hog_HDMCSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_bb006d3a-18f2-47e3-938d-657e2c2886ab" xlink:to="loc_hog_HDMCSegmentMember_4f9c9e7e-127d-441f-893e-c49b04673e4c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_LivewireSegmentMember_693d0112-c369-4f68-869c-9a7b766314e5" xlink:href="hog-20250630.xsd#hog_LivewireSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_bb006d3a-18f2-47e3-938d-657e2c2886ab" xlink:to="loc_hog_LivewireSegmentMember_693d0112-c369-4f68-869c-9a7b766314e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDFSSegmentMember_a14502a6-ecf6-406d-83e2-59ebc09988cd" xlink:href="hog-20250630.xsd#hog_HDFSSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_bb006d3a-18f2-47e3-938d-657e2c2886ab" xlink:to="loc_hog_HDFSSegmentMember_a14502a6-ecf6-406d-83e2-59ebc09988cd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_868ab737-9ee5-4cf7-8fff-0b3c59dc7dd4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47749d6d-db14-4415-bfdb-c18df6f0fbee" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_868ab737-9ee5-4cf7-8fff-0b3c59dc7dd4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_bd724df4-1999-4efc-9892-89358cdd5f16" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47749d6d-db14-4415-bfdb-c18df6f0fbee" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_bd724df4-1999-4efc-9892-89358cdd5f16" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_e9a7b51d-f253-4004-9b77-57cbf3d2e8c4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47749d6d-db14-4415-bfdb-c18df6f0fbee" xlink:to="loc_us-gaap_GrossProfit_e9a7b51d-f253-4004-9b77-57cbf3d2e8c4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LaborAndRelatedExpense_eb47a3b6-d99f-4698-ba45-5ea5b429cc22" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LaborAndRelatedExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47749d6d-db14-4415-bfdb-c18df6f0fbee" xlink:to="loc_us-gaap_LaborAndRelatedExpense_eb47a3b6-d99f-4698-ba45-5ea5b429cc22" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketingAndAdvertisingExpense_29280558-ce50-4cc5-bd45-6d8ad0e8a395" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MarketingAndAdvertisingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47749d6d-db14-4415-bfdb-c18df6f0fbee" xlink:to="loc_us-gaap_MarketingAndAdvertisingExpense_29280558-ce50-4cc5-bd45-6d8ad0e8a395" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_97713d3e-739c-4696-9def-81c6969f865f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47749d6d-db14-4415-bfdb-c18df6f0fbee" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_97713d3e-739c-4696-9def-81c6969f865f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueNotFromContractWithCustomer_f41e1a8b-74ad-4ca1-8516-4b6035979215" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueNotFromContractWithCustomer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47749d6d-db14-4415-bfdb-c18df6f0fbee" xlink:to="loc_us-gaap_RevenueNotFromContractWithCustomer_f41e1a8b-74ad-4ca1-8516-4b6035979215" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingInterestExpense_ea81fb0b-c205-4aed-8eb1-39c2c412506c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingInterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47749d6d-db14-4415-bfdb-c18df6f0fbee" xlink:to="loc_us-gaap_FinancingInterestExpense_ea81fb0b-c205-4aed-8eb1-39c2c412506c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal_e65f537f-54a1-4ca0-ae4e-7f4802a724bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47749d6d-db14-4415-bfdb-c18df6f0fbee" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal_e65f537f-54a1-4ca0-ae4e-7f4802a724bd" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_f3ffc2cd-f8da-4a93-9788-12dcdf6a6b2c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47749d6d-db14-4415-bfdb-c18df6f0fbee" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_f3ffc2cd-f8da-4a93-9788-12dcdf6a6b2c" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_9bd5a9d3-ac01-4e80-8755-aae182b4b4ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_47749d6d-db14-4415-bfdb-c18df6f0fbee" xlink:to="loc_us-gaap_OperatingIncomeLoss_9bd5a9d3-ac01-4e80-8755-aae182b4b4ab" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/ReportableSegmentsScheduleofInformationbyIndustrySegmentDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#ReportableSegmentsScheduleofInformationbyIndustrySegmentDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/ReportableSegmentsScheduleofInformationbyIndustrySegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_860e8deb-07f5-488b-bc4a-f806c6c6883d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_4aa4254b-9749-4733-994c-1080ba1e5f7a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_860e8deb-07f5-488b-bc4a-f806c6c6883d" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_4aa4254b-9749-4733-994c-1080ba1e5f7a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_3d88fb8c-cd5b-4b8b-8683-264621d140ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_4aa4254b-9749-4733-994c-1080ba1e5f7a" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_3d88fb8c-cd5b-4b8b-8683-264621d140ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_3d88fb8c-cd5b-4b8b-8683-264621d140ab_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_3d88fb8c-cd5b-4b8b-8683-264621d140ab" xlink:to="loc_us-gaap_SegmentDomain_3d88fb8c-cd5b-4b8b-8683-264621d140ab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_74744246-54e0-441d-bf05-3044403a3034" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_3d88fb8c-cd5b-4b8b-8683-264621d140ab" xlink:to="loc_us-gaap_SegmentDomain_74744246-54e0-441d-bf05-3044403a3034" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDMCSegmentMember_b84a0e46-bd45-40c2-8d7d-9e4a585644c1" xlink:href="hog-20250630.xsd#hog_HDMCSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_74744246-54e0-441d-bf05-3044403a3034" xlink:to="loc_hog_HDMCSegmentMember_b84a0e46-bd45-40c2-8d7d-9e4a585644c1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_LivewireSegmentMember_a5e4d896-ef63-44ab-bbd9-4cac6bf15768" xlink:href="hog-20250630.xsd#hog_LivewireSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_74744246-54e0-441d-bf05-3044403a3034" xlink:to="loc_hog_LivewireSegmentMember_a5e4d896-ef63-44ab-bbd9-4cac6bf15768" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDFSSegmentMember_0d371c86-b62f-4ab9-846d-6acde8623877" xlink:href="hog-20250630.xsd#hog_HDFSSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_74744246-54e0-441d-bf05-3044403a3034" xlink:to="loc_hog_HDFSSegmentMember_0d371c86-b62f-4ab9-846d-6acde8623877" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_9f0ed5ca-e0a7-4c13-8b25-0590349f7709" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_860e8deb-07f5-488b-bc4a-f806c6c6883d" xlink:to="loc_us-gaap_Assets_9f0ed5ca-e0a7-4c13-8b25-0590349f7709" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_5a35e162-7e7a-48a9-b785-c68c250af168" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_860e8deb-07f5-488b-bc4a-f806c6c6883d" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_5a35e162-7e7a-48a9-b785-c68c250af168" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentExpenditureAdditionToLongLivedAssets_07be46f0-7985-4ef1-bc1a-00e742f5c755" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentExpenditureAdditionToLongLivedAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_860e8deb-07f5-488b-bc4a-f806c6c6883d" xlink:to="loc_us-gaap_SegmentExpenditureAdditionToLongLivedAssets_07be46f0-7985-4ef1-bc1a-00e742f5c755" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/SupplementalConsolidatingDataScheduleofOperationsDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#SupplementalConsolidatingDataScheduleofOperationsDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/SupplementalConsolidatingDataScheduleofOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedIncomeStatementsCaptionsLineItems_6358244e-3b6c-40dc-9d8c-2dcf1ebf095b" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CondensedIncomeStatementsCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedIncomeStatementTable_217d6267-70c7-404a-8e92-280998a67a11" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CondensedIncomeStatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_6358244e-3b6c-40dc-9d8c-2dcf1ebf095b" xlink:to="loc_srt_CondensedIncomeStatementTable_217d6267-70c7-404a-8e92-280998a67a11" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_03070320-b362-45d0-9324-5dbeab53f291" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_CondensedIncomeStatementTable_217d6267-70c7-404a-8e92-280998a67a11" xlink:to="loc_srt_ConsolidationItemsAxis_03070320-b362-45d0-9324-5dbeab53f291" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_03070320-b362-45d0-9324-5dbeab53f291_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_03070320-b362-45d0-9324-5dbeab53f291" xlink:to="loc_srt_ConsolidationItemsDomain_03070320-b362-45d0-9324-5dbeab53f291_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_9a4d1911-ee84-4312-9d33-8034fcaeda75" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_03070320-b362-45d0-9324-5dbeab53f291" xlink:to="loc_srt_ConsolidationItemsDomain_9a4d1911-ee84-4312-9d33-8034fcaeda75" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ReportableLegalEntitiesMember_94bda47f-419f-442a-9247-490ca67a32f8" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ReportableLegalEntitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_9a4d1911-ee84-4312-9d33-8034fcaeda75" xlink:to="loc_srt_ReportableLegalEntitiesMember_94bda47f-419f-442a-9247-490ca67a32f8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationEliminationsMember_b048aa5c-465f-43ae-9d36-ac6406476f74" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationEliminationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_9a4d1911-ee84-4312-9d33-8034fcaeda75" xlink:to="loc_srt_ConsolidationEliminationsMember_b048aa5c-465f-43ae-9d36-ac6406476f74" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_a813decd-47fe-48b8-89f5-b2db063f57a8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_CondensedIncomeStatementTable_217d6267-70c7-404a-8e92-280998a67a11" xlink:to="loc_dei_LegalEntityAxis_a813decd-47fe-48b8-89f5-b2db063f57a8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_a813decd-47fe-48b8-89f5-b2db063f57a8_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_a813decd-47fe-48b8-89f5-b2db063f57a8" xlink:to="loc_dei_EntityDomain_a813decd-47fe-48b8-89f5-b2db063f57a8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ae9c1e1d-1a30-45f4-8eda-f10ab02638e9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_a813decd-47fe-48b8-89f5-b2db063f57a8" xlink:to="loc_dei_EntityDomain_ae9c1e1d-1a30-45f4-8eda-f10ab02638e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDMCSegmentMember_c90bd507-2a1f-4441-a7f6-5cf6baa051ef" xlink:href="hog-20250630.xsd#hog_HDMCSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_ae9c1e1d-1a30-45f4-8eda-f10ab02638e9" xlink:to="loc_hog_HDMCSegmentMember_c90bd507-2a1f-4441-a7f6-5cf6baa051ef" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDFSSegmentMember_f29538a4-cff8-4bdb-a014-05b158e11a1c" xlink:href="hog-20250630.xsd#hog_HDFSSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_ae9c1e1d-1a30-45f4-8eda-f10ab02638e9" xlink:to="loc_hog_HDFSSegmentMember_f29538a4-cff8-4bdb-a014-05b158e11a1c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_6efd6154-c477-42a2-83c3-7329c9847b9c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_6358244e-3b6c-40dc-9d8c-2dcf1ebf095b" xlink:to="loc_us-gaap_RevenuesAbstract_6efd6154-c477-42a2-83c3-7329c9847b9c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_2dfcb7b9-461b-40a6-9706-62a596a21aea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_6efd6154-c477-42a2-83c3-7329c9847b9c" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_2dfcb7b9-461b-40a6-9706-62a596a21aea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueNotFromContractWithCustomer_62471231-a391-4b6d-974d-d6ba7a4f6037" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueNotFromContractWithCustomer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_6efd6154-c477-42a2-83c3-7329c9847b9c" xlink:to="loc_us-gaap_RevenueNotFromContractWithCustomer_62471231-a391-4b6d-974d-d6ba7a4f6037" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_b9a7c425-f5c7-4e2f-b0a1-c0c11f32d2bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_6efd6154-c477-42a2-83c3-7329c9847b9c" xlink:to="loc_us-gaap_Revenues_b9a7c425-f5c7-4e2f-b0a1-c0c11f32d2bd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_93b752f7-4ad4-4cac-965e-f29f9c0489c3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_6358244e-3b6c-40dc-9d8c-2dcf1ebf095b" xlink:to="loc_us-gaap_CostsAndExpensesAbstract_93b752f7-4ad4-4cac-965e-f29f9c0489c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_2c7741f7-a2f9-4b5f-9689-c76c6d6fa2d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_93b752f7-4ad4-4cac-965e-f29f9c0489c3" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_2c7741f7-a2f9-4b5f-9689-c76c6d6fa2d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingInterestExpense_bf7f8305-2971-4ab6-b30d-9d86f71c0da3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingInterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_93b752f7-4ad4-4cac-965e-f29f9c0489c3" xlink:to="loc_us-gaap_FinancingInterestExpense_bf7f8305-2971-4ab6-b30d-9d86f71c0da3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal_6a42c2a3-2c44-4aae-b03e-45936c851c61" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_93b752f7-4ad4-4cac-965e-f29f9c0489c3" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal_6a42c2a3-2c44-4aae-b03e-45936c851c61" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_738301c8-ba8b-42c6-977b-f437d7df6436" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_93b752f7-4ad4-4cac-965e-f29f9c0489c3" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_738301c8-ba8b-42c6-977b-f437d7df6436" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_4283b2bb-d591-4fad-8837-ee73ef84154b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_93b752f7-4ad4-4cac-965e-f29f9c0489c3" xlink:to="loc_us-gaap_CostsAndExpenses_4283b2bb-d591-4fad-8837-ee73ef84154b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_e0a5b7b7-eb74-407f-ba9f-a6b42bb00f5e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_6358244e-3b6c-40dc-9d8c-2dcf1ebf095b" xlink:to="loc_us-gaap_OperatingIncomeLoss_e0a5b7b7-eb74-407f-ba9f-a6b42bb00f5e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_fd634630-b5b0-4c8e-bd10-8deeb20695d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_6358244e-3b6c-40dc-9d8c-2dcf1ebf095b" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_fd634630-b5b0-4c8e-bd10-8deeb20695d9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeNet_253b8d1a-76b4-4c6d-b7d8-01527de137fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentIncomeNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_6358244e-3b6c-40dc-9d8c-2dcf1ebf095b" xlink:to="loc_us-gaap_InvestmentIncomeNet_253b8d1a-76b4-4c6d-b7d8-01527de137fb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_c0084e74-bfd9-4ca4-84a0-a633aefeb8f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_6358244e-3b6c-40dc-9d8c-2dcf1ebf095b" xlink:to="loc_us-gaap_InterestExpenseNonoperating_c0084e74-bfd9-4ca4-84a0-a633aefeb8f2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_d17c5d68-7f60-44ea-8783-93fe6b11edab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_6358244e-3b6c-40dc-9d8c-2dcf1ebf095b" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_d17c5d68-7f60-44ea-8783-93fe6b11edab" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_e9d101a7-8333-4f42-9036-adedd9e2c852" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_6358244e-3b6c-40dc-9d8c-2dcf1ebf095b" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_e9d101a7-8333-4f42-9036-adedd9e2c852" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_a538d2ec-baa1-4448-b098-d2db582efe75" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_6358244e-3b6c-40dc-9d8c-2dcf1ebf095b" xlink:to="loc_us-gaap_ProfitLoss_a538d2ec-baa1-4448-b098-d2db582efe75" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_5a16c60f-9f2e-4378-9fb4-da3b1dd04323" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_6358244e-3b6c-40dc-9d8c-2dcf1ebf095b" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_5a16c60f-9f2e-4378-9fb4-da3b1dd04323" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_f40db3b9-0f36-4d60-9b95-32f1f43b707a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedIncomeStatementsCaptionsLineItems_6358244e-3b6c-40dc-9d8c-2dcf1ebf095b" xlink:to="loc_us-gaap_NetIncomeLoss_f40db3b9-0f36-4d60-9b95-32f1f43b707a" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/SupplementalConsolidatingDataScheduleofComprehensiveIncomeDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#SupplementalConsolidatingDataScheduleofComprehensiveIncomeDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/SupplementalConsolidatingDataScheduleofComprehensiveIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedStatementOfIncomeCaptionsLineItems_f6814832-105c-4ebf-ab13-d4101d8b1dd9" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CondensedStatementOfIncomeCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedStatementOfComprehensiveIncomeTable_bbd037cf-410d-49a0-a52f-5a1a284345a2" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CondensedStatementOfComprehensiveIncomeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_srt_CondensedStatementOfIncomeCaptionsLineItems_f6814832-105c-4ebf-ab13-d4101d8b1dd9" xlink:to="loc_srt_CondensedStatementOfComprehensiveIncomeTable_bbd037cf-410d-49a0-a52f-5a1a284345a2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_c82c1328-3cad-4ec8-b15f-b8f761e46e93" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_CondensedStatementOfComprehensiveIncomeTable_bbd037cf-410d-49a0-a52f-5a1a284345a2" xlink:to="loc_srt_ConsolidationItemsAxis_c82c1328-3cad-4ec8-b15f-b8f761e46e93" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_c82c1328-3cad-4ec8-b15f-b8f761e46e93_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_c82c1328-3cad-4ec8-b15f-b8f761e46e93" xlink:to="loc_srt_ConsolidationItemsDomain_c82c1328-3cad-4ec8-b15f-b8f761e46e93_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_8a618e05-3c2a-4dc5-8b8b-f850209fa667" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_c82c1328-3cad-4ec8-b15f-b8f761e46e93" xlink:to="loc_srt_ConsolidationItemsDomain_8a618e05-3c2a-4dc5-8b8b-f850209fa667" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ReportableLegalEntitiesMember_f0a984fe-3302-42d7-9786-9608a93ec616" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ReportableLegalEntitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_8a618e05-3c2a-4dc5-8b8b-f850209fa667" xlink:to="loc_srt_ReportableLegalEntitiesMember_f0a984fe-3302-42d7-9786-9608a93ec616" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationEliminationsMember_03f2581e-cedb-4f2c-96b0-e5cbdd30568c" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationEliminationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_8a618e05-3c2a-4dc5-8b8b-f850209fa667" xlink:to="loc_srt_ConsolidationEliminationsMember_03f2581e-cedb-4f2c-96b0-e5cbdd30568c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_463c2944-9c6c-45b1-99f3-a91e56871624" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_CondensedStatementOfComprehensiveIncomeTable_bbd037cf-410d-49a0-a52f-5a1a284345a2" xlink:to="loc_dei_LegalEntityAxis_463c2944-9c6c-45b1-99f3-a91e56871624" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_463c2944-9c6c-45b1-99f3-a91e56871624_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_463c2944-9c6c-45b1-99f3-a91e56871624" xlink:to="loc_dei_EntityDomain_463c2944-9c6c-45b1-99f3-a91e56871624_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_965ff299-3c5a-4754-9974-1cdae50de109" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_463c2944-9c6c-45b1-99f3-a91e56871624" xlink:to="loc_dei_EntityDomain_965ff299-3c5a-4754-9974-1cdae50de109" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDMCSegmentMember_c761d63d-4cf2-427c-a3fb-41aa3cd586e0" xlink:href="hog-20250630.xsd#hog_HDMCSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_965ff299-3c5a-4754-9974-1cdae50de109" xlink:to="loc_hog_HDMCSegmentMember_c761d63d-4cf2-427c-a3fb-41aa3cd586e0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDFSSegmentMember_670e1982-1d44-4532-92f7-fb1d2b32cc30" xlink:href="hog-20250630.xsd#hog_HDFSSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_965ff299-3c5a-4754-9974-1cdae50de109" xlink:to="loc_hog_HDFSSegmentMember_670e1982-1d44-4532-92f7-fb1d2b32cc30" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_0bbd8996-4543-4564-8006-16765a91efc7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedStatementOfIncomeCaptionsLineItems_f6814832-105c-4ebf-ab13-d4101d8b1dd9" xlink:to="loc_us-gaap_ProfitLoss_0bbd8996-4543-4564-8006-16765a91efc7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_61fc6b00-c190-4df1-8827-4375076ba824" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedStatementOfIncomeCaptionsLineItems_f6814832-105c-4ebf-ab13-d4101d8b1dd9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_61fc6b00-c190-4df1-8827-4375076ba824" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_991e7a9d-71ab-439a-9ddd-d33fbf5a3458" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_61fc6b00-c190-4df1-8827-4375076ba824" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_991e7a9d-71ab-439a-9ddd-d33fbf5a3458" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax_5190830a-8154-41f6-8d8c-da06ad793738" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_61fc6b00-c190-4df1-8827-4375076ba824" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax_5190830a-8154-41f6-8d8c-da06ad793738" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_cfd15c23-4c16-4076-b70b-170f7b36606b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_61fc6b00-c190-4df1-8827-4375076ba824" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_cfd15c23-4c16-4076-b70b-170f7b36606b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_5f83aae3-db31-4ba0-b1fa-3889da6d0493" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_61fc6b00-c190-4df1-8827-4375076ba824" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_5f83aae3-db31-4ba0-b1fa-3889da6d0493" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_cbf41a31-f14b-4197-8b6a-68c4d53c4818" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedStatementOfIncomeCaptionsLineItems_f6814832-105c-4ebf-ab13-d4101d8b1dd9" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_cbf41a31-f14b-4197-8b6a-68c4d53c4818" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_4990f087-3d78-498f-ac2b-5ce46a7a84fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedStatementOfIncomeCaptionsLineItems_f6814832-105c-4ebf-ab13-d4101d8b1dd9" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_4990f087-3d78-498f-ac2b-5ce46a7a84fc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_56a2072d-5cac-4ec6-aa8f-b7ee70c77871" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedStatementOfIncomeCaptionsLineItems_f6814832-105c-4ebf-ab13-d4101d8b1dd9" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_56a2072d-5cac-4ec6-aa8f-b7ee70c77871" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/SupplementalConsolidatingDataScheduleofBalanceSheetDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#SupplementalConsolidatingDataScheduleofBalanceSheetDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/SupplementalConsolidatingDataScheduleofBalanceSheetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedBalanceSheetStatementsCaptionsLineItems_2a5cf99a-34be-4798-9105-d5ab613b4d71" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CondensedBalanceSheetStatementsCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedBalanceSheetStatementTable_6e4a29b6-779b-41f5-8df6-5b69278b4f39" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CondensedBalanceSheetStatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_srt_CondensedBalanceSheetStatementsCaptionsLineItems_2a5cf99a-34be-4798-9105-d5ab613b4d71" xlink:to="loc_srt_CondensedBalanceSheetStatementTable_6e4a29b6-779b-41f5-8df6-5b69278b4f39" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_f39c1844-213e-42f4-99e8-146986e06ed6" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_CondensedBalanceSheetStatementTable_6e4a29b6-779b-41f5-8df6-5b69278b4f39" xlink:to="loc_srt_ConsolidationItemsAxis_f39c1844-213e-42f4-99e8-146986e06ed6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_f39c1844-213e-42f4-99e8-146986e06ed6_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_f39c1844-213e-42f4-99e8-146986e06ed6" xlink:to="loc_srt_ConsolidationItemsDomain_f39c1844-213e-42f4-99e8-146986e06ed6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_52d533d0-349f-447a-8641-bea28d203257" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_f39c1844-213e-42f4-99e8-146986e06ed6" xlink:to="loc_srt_ConsolidationItemsDomain_52d533d0-349f-447a-8641-bea28d203257" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ReportableLegalEntitiesMember_daeb8064-c6f9-46a8-88a4-d4f9414b3286" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ReportableLegalEntitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_52d533d0-349f-447a-8641-bea28d203257" xlink:to="loc_srt_ReportableLegalEntitiesMember_daeb8064-c6f9-46a8-88a4-d4f9414b3286" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationEliminationsMember_85fe8903-0bdc-4522-9da9-8fa41c280673" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationEliminationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_52d533d0-349f-447a-8641-bea28d203257" xlink:to="loc_srt_ConsolidationEliminationsMember_85fe8903-0bdc-4522-9da9-8fa41c280673" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_58964502-aa38-4774-b960-41ab36d12f2f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_CondensedBalanceSheetStatementTable_6e4a29b6-779b-41f5-8df6-5b69278b4f39" xlink:to="loc_dei_LegalEntityAxis_58964502-aa38-4774-b960-41ab36d12f2f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_58964502-aa38-4774-b960-41ab36d12f2f_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_58964502-aa38-4774-b960-41ab36d12f2f" xlink:to="loc_dei_EntityDomain_58964502-aa38-4774-b960-41ab36d12f2f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_9f3df3b1-2aa9-4a14-bc78-7c7fff8b4fda" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_58964502-aa38-4774-b960-41ab36d12f2f" xlink:to="loc_dei_EntityDomain_9f3df3b1-2aa9-4a14-bc78-7c7fff8b4fda" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDMCSegmentMember_45088d7f-8184-44cb-be9e-1b3261db0735" xlink:href="hog-20250630.xsd#hog_HDMCSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_9f3df3b1-2aa9-4a14-bc78-7c7fff8b4fda" xlink:to="loc_hog_HDMCSegmentMember_45088d7f-8184-44cb-be9e-1b3261db0735" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDFSSegmentMember_216e1530-ff55-462f-8b10-062edc817a32" xlink:href="hog-20250630.xsd#hog_HDFSSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_9f3df3b1-2aa9-4a14-bc78-7c7fff8b4fda" xlink:to="loc_hog_HDFSSegmentMember_216e1530-ff55-462f-8b10-062edc817a32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_2a6e10a7-3137-457d-89c5-a9bfe7a4f8d7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedBalanceSheetStatementsCaptionsLineItems_2a5cf99a-34be-4798-9105-d5ab613b4d71" xlink:to="loc_us-gaap_AssetsAbstract_2a6e10a7-3137-457d-89c5-a9bfe7a4f8d7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_b022bfb8-b123-4408-bc9c-65b871ef0bd7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2a6e10a7-3137-457d-89c5-a9bfe7a4f8d7" xlink:to="loc_us-gaap_AssetsCurrentAbstract_b022bfb8-b123-4408-bc9c-65b871ef0bd7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_9d5961c2-65c8-478d-8a0c-cd0558bfb674" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_b022bfb8-b123-4408-bc9c-65b871ef0bd7" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_9d5961c2-65c8-478d-8a0c-cd0558bfb674" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_cb15f46f-012a-409b-8399-40310364ef7f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_b022bfb8-b123-4408-bc9c-65b871ef0bd7" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_cb15f46f-012a-409b-8399-40310364ef7f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesAndLoansReceivableNetCurrent_2f37ea81-00c3-4938-9c70-ac1a8038669f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NotesAndLoansReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_b022bfb8-b123-4408-bc9c-65b871ef0bd7" xlink:to="loc_us-gaap_NotesAndLoansReceivableNetCurrent_2f37ea81-00c3-4938-9c70-ac1a8038669f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_5b07a68d-9572-48e4-8b7f-c47374319ea0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_b022bfb8-b123-4408-bc9c-65b871ef0bd7" xlink:to="loc_us-gaap_InventoryNet_5b07a68d-9572-48e4-8b7f-c47374319ea0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_0d1d4724-519b-4e8f-8b1d-3a13abc13652" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_b022bfb8-b123-4408-bc9c-65b871ef0bd7" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_0d1d4724-519b-4e8f-8b1d-3a13abc13652" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_88700348-f776-48c5-8876-8c5f0d3b610b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_b022bfb8-b123-4408-bc9c-65b871ef0bd7" xlink:to="loc_us-gaap_OtherAssetsCurrent_88700348-f776-48c5-8876-8c5f0d3b610b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_cbc495e8-82b3-4feb-b63f-5e47050458a0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_b022bfb8-b123-4408-bc9c-65b871ef0bd7" xlink:to="loc_us-gaap_AssetsCurrent_cbc495e8-82b3-4feb-b63f-5e47050458a0" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesAndLoansReceivableNetNoncurrent_e3f46aac-1f4f-4a52-a7f2-c9eb0b12cb6d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NotesAndLoansReceivableNetNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2a6e10a7-3137-457d-89c5-a9bfe7a4f8d7" xlink:to="loc_us-gaap_NotesAndLoansReceivableNetNoncurrent_e3f46aac-1f4f-4a52-a7f2-c9eb0b12cb6d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_a81fbad4-5ea9-4f11-970b-e6fdb76251be" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2a6e10a7-3137-457d-89c5-a9bfe7a4f8d7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_a81fbad4-5ea9-4f11-970b-e6fdb76251be" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_95c66f6b-3ead-4887-b61d-42dc92ec6b5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2a6e10a7-3137-457d-89c5-a9bfe7a4f8d7" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_95c66f6b-3ead-4887-b61d-42dc92ec6b5a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_9a04f336-a733-413e-abeb-b01401487929" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2a6e10a7-3137-457d-89c5-a9bfe7a4f8d7" xlink:to="loc_us-gaap_Goodwill_9a04f336-a733-413e-abeb-b01401487929" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_23954e44-c34d-40cb-a0b0-4079d7c8773b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2a6e10a7-3137-457d-89c5-a9bfe7a4f8d7" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_23954e44-c34d-40cb-a0b0-4079d7c8773b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_45337e6d-6a72-45ef-a6a6-d339472126b1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2a6e10a7-3137-457d-89c5-a9bfe7a4f8d7" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_45337e6d-6a72-45ef-a6a6-d339472126b1" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_96078f3c-f90d-4768-9c02-10ba0173f1a8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2a6e10a7-3137-457d-89c5-a9bfe7a4f8d7" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_96078f3c-f90d-4768-9c02-10ba0173f1a8" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_666ca036-b93d-49d0-aaf2-95f78aeb351d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_2a6e10a7-3137-457d-89c5-a9bfe7a4f8d7" xlink:to="loc_us-gaap_Assets_666ca036-b93d-49d0-aaf2-95f78aeb351d" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_905bd7aa-a49f-446b-b0e7-0d83a588f440" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedBalanceSheetStatementsCaptionsLineItems_2a5cf99a-34be-4798-9105-d5ab613b4d71" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_905bd7aa-a49f-446b-b0e7-0d83a588f440" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAbstract_db5e683c-e8aa-4be7-8622-d75661820cca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_905bd7aa-a49f-446b-b0e7-0d83a588f440" xlink:to="loc_us-gaap_LiabilitiesAbstract_db5e683c-e8aa-4be7-8622-d75661820cca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_78c98309-18fa-40c5-b13e-cc7b5e42f390" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_db5e683c-e8aa-4be7-8622-d75661820cca" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_78c98309-18fa-40c5-b13e-cc7b5e42f390" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_5a611934-cd68-427b-9f79-f95ac748151b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_78c98309-18fa-40c5-b13e-cc7b5e42f390" xlink:to="loc_us-gaap_AccountsPayableCurrent_5a611934-cd68-427b-9f79-f95ac748151b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_5d3d20e6-ecc4-4e6d-85bb-4ae3f50212c0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_78c98309-18fa-40c5-b13e-cc7b5e42f390" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_5d3d20e6-ecc4-4e6d-85bb-4ae3f50212c0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_DepositsCurrent_3cac024b-d05e-4405-acaf-1120e7cc4178" xlink:href="hog-20250630.xsd#hog_DepositsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_78c98309-18fa-40c5-b13e-cc7b5e42f390" xlink:to="loc_hog_DepositsCurrent_3cac024b-d05e-4405-acaf-1120e7cc4178" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_80556a03-a946-4937-a530-7f1cb4681d5c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermBorrowings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_78c98309-18fa-40c5-b13e-cc7b5e42f390" xlink:to="loc_us-gaap_ShortTermBorrowings_80556a03-a946-4937-a530-7f1cb4681d5c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_9ba80b74-0bf0-4a96-aa20-90fc8b21d052" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_78c98309-18fa-40c5-b13e-cc7b5e42f390" xlink:to="loc_us-gaap_LongTermDebtCurrent_9ba80b74-0bf0-4a96-aa20-90fc8b21d052" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_de465a9c-73d1-4cb3-9096-755c04c0eebd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_78c98309-18fa-40c5-b13e-cc7b5e42f390" xlink:to="loc_us-gaap_LiabilitiesCurrent_de465a9c-73d1-4cb3-9096-755c04c0eebd" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_DepositsNoncurrent_9592583b-e7af-4798-9421-c9d810ebc6ea" xlink:href="hog-20250630.xsd#hog_DepositsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_db5e683c-e8aa-4be7-8622-d75661820cca" xlink:to="loc_hog_DepositsNoncurrent_9592583b-e7af-4798-9421-c9d810ebc6ea" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_186376e2-63cb-4467-8dba-9490da900cb6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_db5e683c-e8aa-4be7-8622-d75661820cca" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_186376e2-63cb-4467-8dba-9490da900cb6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_77219913-3c91-43f5-98cb-be807e8811e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_db5e683c-e8aa-4be7-8622-d75661820cca" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_77219913-3c91-43f5-98cb-be807e8811e5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_7dfbc974-6023-4513-b897-bd8be1ee44dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_db5e683c-e8aa-4be7-8622-d75661820cca" xlink:to="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_7dfbc974-6023-4513-b897-bd8be1ee44dc" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_f398564c-4f5d-42a5-842d-ad185107df1b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_db5e683c-e8aa-4be7-8622-d75661820cca" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_f398564c-4f5d-42a5-842d-ad185107df1b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_a8dfdd0b-bc46-4c80-a6dd-c279673f93eb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_db5e683c-e8aa-4be7-8622-d75661820cca" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_a8dfdd0b-bc46-4c80-a6dd-c279673f93eb" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_221bc33b-de36-4f5f-9dc3-358a710ca660" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_905bd7aa-a49f-446b-b0e7-0d83a588f440" xlink:to="loc_us-gaap_CommitmentsAndContingencies_221bc33b-de36-4f5f-9dc3-358a710ca660" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_39a9cc6a-9724-427c-afe5-19bf8057a89e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_905bd7aa-a49f-446b-b0e7-0d83a588f440" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_39a9cc6a-9724-427c-afe5-19bf8057a89e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_60672603-9fab-45d5-8bca-d7ed2826e163" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_905bd7aa-a49f-446b-b0e7-0d83a588f440" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_60672603-9fab-45d5-8bca-d7ed2826e163" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/SupplementalConsolidatingDataScheduleofCashFlowsDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#SupplementalConsolidatingDataScheduleofCashFlowsDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/SupplementalConsolidatingDataScheduleofCashFlowsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_103d1b69-c4ac-456c-bf34-3205d376a057" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CondensedCashFlowStatementsCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CondensedCashFlowStatementTable_3495fc6b-a332-425f-b846-e67ef5185316" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CondensedCashFlowStatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_103d1b69-c4ac-456c-bf34-3205d376a057" xlink:to="loc_srt_CondensedCashFlowStatementTable_3495fc6b-a332-425f-b846-e67ef5185316" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_cc563fb2-1d7c-404e-abaf-e1b5cd9d87fd" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_CondensedCashFlowStatementTable_3495fc6b-a332-425f-b846-e67ef5185316" xlink:to="loc_srt_ConsolidationItemsAxis_cc563fb2-1d7c-404e-abaf-e1b5cd9d87fd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_cc563fb2-1d7c-404e-abaf-e1b5cd9d87fd_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_cc563fb2-1d7c-404e-abaf-e1b5cd9d87fd" xlink:to="loc_srt_ConsolidationItemsDomain_cc563fb2-1d7c-404e-abaf-e1b5cd9d87fd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_e0ef693d-79c0-43f9-9a8f-21b4451f555d" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_cc563fb2-1d7c-404e-abaf-e1b5cd9d87fd" xlink:to="loc_srt_ConsolidationItemsDomain_e0ef693d-79c0-43f9-9a8f-21b4451f555d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ReportableLegalEntitiesMember_8120ec73-efe5-4577-a617-642baa835cf0" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ReportableLegalEntitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_e0ef693d-79c0-43f9-9a8f-21b4451f555d" xlink:to="loc_srt_ReportableLegalEntitiesMember_8120ec73-efe5-4577-a617-642baa835cf0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationEliminationsMember_58830621-3ba5-427e-8d77-a781c185844f" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationEliminationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_e0ef693d-79c0-43f9-9a8f-21b4451f555d" xlink:to="loc_srt_ConsolidationEliminationsMember_58830621-3ba5-427e-8d77-a781c185844f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_01ba7459-ea2a-4d66-9689-b0601ff29fc7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_srt_CondensedCashFlowStatementTable_3495fc6b-a332-425f-b846-e67ef5185316" xlink:to="loc_dei_LegalEntityAxis_01ba7459-ea2a-4d66-9689-b0601ff29fc7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_01ba7459-ea2a-4d66-9689-b0601ff29fc7_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_01ba7459-ea2a-4d66-9689-b0601ff29fc7" xlink:to="loc_dei_EntityDomain_01ba7459-ea2a-4d66-9689-b0601ff29fc7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_71958dad-0d00-4728-8fca-e10e7532a46e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_01ba7459-ea2a-4d66-9689-b0601ff29fc7" xlink:to="loc_dei_EntityDomain_71958dad-0d00-4728-8fca-e10e7532a46e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDMCSegmentMember_6cea9324-89e0-408c-8345-35f865e51c55" xlink:href="hog-20250630.xsd#hog_HDMCSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_71958dad-0d00-4728-8fca-e10e7532a46e" xlink:to="loc_hog_HDMCSegmentMember_6cea9324-89e0-408c-8345-35f865e51c55" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HDFSSegmentMember_6065f811-53fe-4453-b1a4-e8c70a93c470" xlink:href="hog-20250630.xsd#hog_HDFSSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_71958dad-0d00-4728-8fca-e10e7532a46e" xlink:to="loc_hog_HDFSSegmentMember_6065f811-53fe-4453-b1a4-e8c70a93c470" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_18b70e6e-346d-4b0b-9609-e9aa1704d2cb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_103d1b69-c4ac-456c-bf34-3205d376a057" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_18b70e6e-346d-4b0b-9609-e9aa1704d2cb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_b0e88b0a-2819-42bb-a395-ea6ab9a828b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_18b70e6e-346d-4b0b-9609-e9aa1704d2cb" xlink:to="loc_us-gaap_ProfitLoss_b0e88b0a-2819-42bb-a395-ea6ab9a828b3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_e7fa2cce-33cf-418c-bddf-cc1f61561b68" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_18b70e6e-346d-4b0b-9609-e9aa1704d2cb" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_e7fa2cce-33cf-418c-bddf-cc1f61561b68" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_e1064890-e8af-4c56-bb03-6389ba117abd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_e7fa2cce-33cf-418c-bddf-cc1f61561b68" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_e1064890-e8af-4c56-bb03-6389ba117abd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfDeferredLoanOriginationFeesNet_11e7bd59-3b8a-4c5f-aaf1-7b1ed7a3e992" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfDeferredLoanOriginationFeesNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_e7fa2cce-33cf-418c-bddf-cc1f61561b68" xlink:to="loc_us-gaap_AmortizationOfDeferredLoanOriginationFeesNet_11e7bd59-3b8a-4c5f-aaf1-7b1ed7a3e992" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_5c4761b4-7626-4086-af16-dffc3aa8d7f9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_e7fa2cce-33cf-418c-bddf-cc1f61561b68" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_5c4761b4-7626-4086-af16-dffc3aa8d7f9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_97787538-7b95-41de-8a7a-8e1058605fd6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_e7fa2cce-33cf-418c-bddf-cc1f61561b68" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_97787538-7b95-41de-8a7a-8e1058605fd6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_dfbc1314-13ca-4b98-a0df-96459f8d2918" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PensionAndOtherPostretirementBenefitContributions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_e7fa2cce-33cf-418c-bddf-cc1f61561b68" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitContributions_dfbc1314-13ca-4b98-a0df-96459f8d2918" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_d93fd230-682a-4a0b-970f-730144bb422a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_e7fa2cce-33cf-418c-bddf-cc1f61561b68" xlink:to="loc_us-gaap_ShareBasedCompensation_d93fd230-682a-4a0b-970f-730144bb422a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_IncreaseDecreaseInFinanceReceivablesExcludingInterestExpense_096ff523-91fd-47b0-942b-9cb5ee60b6c8" xlink:href="hog-20250630.xsd#hog_IncreaseDecreaseInFinanceReceivablesExcludingInterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_e7fa2cce-33cf-418c-bddf-cc1f61561b68" xlink:to="loc_hog_IncreaseDecreaseInFinanceReceivablesExcludingInterestExpense_096ff523-91fd-47b0-942b-9cb5ee60b6c8" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForLoanLossesExpensed_3fd4ad43-0d05-4947-bd0e-04c40e738b30" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProvisionForLoanLossesExpensed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_e7fa2cce-33cf-418c-bddf-cc1f61561b68" xlink:to="loc_us-gaap_ProvisionForLoanLossesExpensed_3fd4ad43-0d05-4947-bd0e-04c40e738b30" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_ab74a0d6-be1c-4543-9933-846dc62e0b0a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_e7fa2cce-33cf-418c-bddf-cc1f61561b68" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_ab74a0d6-be1c-4543-9933-846dc62e0b0a" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_c3840da4-7e37-4ebf-aa0c-dac57408f57e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_e7fa2cce-33cf-418c-bddf-cc1f61561b68" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_c3840da4-7e37-4ebf-aa0c-dac57408f57e" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_251ec38d-3cf3-4075-b331-7a5fff621e8c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_e7fa2cce-33cf-418c-bddf-cc1f61561b68" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_251ec38d-3cf3-4075-b331-7a5fff621e8c" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_975755aa-93cc-44b1-b6a3-fda634aa9bd7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_251ec38d-3cf3-4075-b331-7a5fff621e8c" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_975755aa-93cc-44b1-b6a3-fda634aa9bd7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_da6039c6-37c4-4ae4-bb05-1766d62c8118" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_251ec38d-3cf3-4075-b331-7a5fff621e8c" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_da6039c6-37c4-4ae4-bb05-1766d62c8118" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_23d62211-bc90-418f-a52f-6678b4f3c350" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_251ec38d-3cf3-4075-b331-7a5fff621e8c" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_23d62211-bc90-418f-a52f-6678b4f3c350" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_9e86f050-1c24-4c3f-87e8-63a989617b1b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_251ec38d-3cf3-4075-b331-7a5fff621e8c" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_9e86f050-1c24-4c3f-87e8-63a989617b1b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_43630d95-7df0-4f1b-a5ca-1cb7405d2e96" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_251ec38d-3cf3-4075-b331-7a5fff621e8c" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_43630d95-7df0-4f1b-a5ca-1cb7405d2e96" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_9a774343-094a-4a35-b987-1347a79c589b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_251ec38d-3cf3-4075-b331-7a5fff621e8c" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_9a774343-094a-4a35-b987-1347a79c589b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d2898d9d-269f-40f9-81f8-64631face45e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_18b70e6e-346d-4b0b-9609-e9aa1704d2cb" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_d2898d9d-269f-40f9-81f8-64631face45e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_9e6689e1-e060-49fb-a4ff-5c6c0fc7cc9f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_103d1b69-c4ac-456c-bf34-3205d376a057" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_9e6689e1-e060-49fb-a4ff-5c6c0fc7cc9f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_ef4430f4-a41d-4b56-8c0e-971a3b099c6e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_9e6689e1-e060-49fb-a4ff-5c6c0fc7cc9f" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_ef4430f4-a41d-4b56-8c0e-971a3b099c6e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireFinanceReceivables_86c3508c-9be9-46cd-b71c-5c4d357cd87d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireFinanceReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_9e6689e1-e060-49fb-a4ff-5c6c0fc7cc9f" xlink:to="loc_us-gaap_PaymentsToAcquireFinanceReceivables_86c3508c-9be9-46cd-b71c-5c4d357cd87d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromCollectionOfFinanceReceivables_bab5d88d-12b3-4eec-8066-a50525937d34" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromCollectionOfFinanceReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_9e6689e1-e060-49fb-a4ff-5c6c0fc7cc9f" xlink:to="loc_us-gaap_ProceedsFromCollectionOfFinanceReceivables_bab5d88d-12b3-4eec-8066-a50525937d34" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_2f92ac1e-2d41-4493-889b-01936e3ba391" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_9e6689e1-e060-49fb-a4ff-5c6c0fc7cc9f" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_2f92ac1e-2d41-4493-889b-01936e3ba391" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_120e508e-a32b-4589-8314-d221bff6a811" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_9e6689e1-e060-49fb-a4ff-5c6c0fc7cc9f" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_120e508e-a32b-4589-8314-d221bff6a811" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_103d1b69-c4ac-456c-bf34-3205d376a057" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfMediumTermNotes_5a87e811-7ed7-494d-8cb3-8604e954defe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfMediumTermNotes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfMediumTermNotes_5a87e811-7ed7-494d-8cb3-8604e954defe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfMediumTermNotes_13df9f4b-f07d-450c-b658-1040895248b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfMediumTermNotes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:to="loc_us-gaap_RepaymentsOfMediumTermNotes_13df9f4b-f07d-450c-b658-1040895248b0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_1f5528cc-dce7-4936-9793-7a5dd4b16883" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfSecuredDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_1f5528cc-dce7-4936-9793-7a5dd4b16883" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSecuredDebt_c7270cbf-3dc7-4889-a0b3-2eca3b560f47" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfSecuredDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:to="loc_us-gaap_RepaymentsOfSecuredDebt_c7270cbf-3dc7-4889-a0b3-2eca3b560f47" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_ProceedsFromIssuanceOfAssetBackedCommercialPaper_4908f17a-cc05-4345-80ab-36c4bbc06334" xlink:href="hog-20250630.xsd#hog_ProceedsFromIssuanceOfAssetBackedCommercialPaper"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:to="loc_hog_ProceedsFromIssuanceOfAssetBackedCommercialPaper_4908f17a-cc05-4345-80ab-36c4bbc06334" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_RepaymentsfromIssuanceofAssetBackedCommercialPaper_94875900-0594-4610-853d-fdc6d44113ee" xlink:href="hog-20250630.xsd#hog_RepaymentsfromIssuanceofAssetBackedCommercialPaper"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:to="loc_hog_RepaymentsfromIssuanceofAssetBackedCommercialPaper_94875900-0594-4610-853d-fdc6d44113ee" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_ProceedsFromRepaymentsOfUnsecuredCommercialPaper_a36afee7-31b8-45eb-81dc-50da7f27aa6b" xlink:href="hog-20250630.xsd#hog_ProceedsFromRepaymentsOfUnsecuredCommercialPaper"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:to="loc_hog_ProceedsFromRepaymentsOfUnsecuredCommercialPaper_a36afee7-31b8-45eb-81dc-50da7f27aa6b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeposits_be4605b3-c9b9-402c-a921-d4686c4de1cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInDeposits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:to="loc_us-gaap_IncreaseDecreaseInDeposits_be4605b3-c9b9-402c-a921-d4686c4de1cd" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_d66c8f31-d904-4410-8ea4-29aafc8a11b9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDividends"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:to="loc_us-gaap_PaymentsOfDividends_d66c8f31-d904-4410-8ea4-29aafc8a11b9" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_f7cd17f7-26c9-4fa6-aeb7-ee6ca94c30b4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_f7cd17f7-26c9-4fa6-aeb7-ee6ca94c30b4" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_db0298ab-1dda-48da-9e1d-91744180c005" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_db0298ab-1dda-48da-9e1d-91744180c005" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_665416d5-45a5-4aed-9bfb-991128def537" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_010f33bf-ac2f-4c7d-82d1-bbf67c664f81" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_665416d5-45a5-4aed-9bfb-991128def537" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_aa625e00-f59e-44bf-9e0a-e2437ed3e07e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_103d1b69-c4ac-456c-bf34-3205d376a057" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_aa625e00-f59e-44bf-9e0a-e2437ed3e07e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_ebfb5256-1075-4b0b-907e-dec2823ec708" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_103d1b69-c4ac-456c-bf34-3205d376a057" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_ebfb5256-1075-4b0b-907e-dec2823ec708" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_b94437a9-20cd-4302-992c-6dedbfb950be" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_103d1b69-c4ac-456c-bf34-3205d376a057" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_b94437a9-20cd-4302-992c-6dedbfb950be" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_416d1f84-0173-476e-a09f-6a6055b31a6e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_b94437a9-20cd-4302-992c-6dedbfb950be" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_416d1f84-0173-476e-a09f-6a6055b31a6e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_4a9c44f9-32b3-4f67-b849-f891f1f77fd4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_22d78dc9-4048-4346-9f2d-1f27bc6625ff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.harley-davidson.com/role/SubsequentEventsDetails" xlink:type="simple" xlink:href="hog-20250630.xsd#SubsequentEventsDetails"/>
  <link:definitionLink xlink:role="http://www.harley-davidson.com/role/SubsequentEventsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_e332571f-7207-45ec-8fbe-63471e807804" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_us-gaap_SubsequentEventTable_e332571f-7207-45ec-8fbe-63471e807804" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_40ebd906-aaf8-4aeb-b6c8-2b6be0cbd77d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_e332571f-7207-45ec-8fbe-63471e807804" xlink:to="loc_us-gaap_CreditFacilityAxis_40ebd906-aaf8-4aeb-b6c8-2b6be0cbd77d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_40ebd906-aaf8-4aeb-b6c8-2b6be0cbd77d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_40ebd906-aaf8-4aeb-b6c8-2b6be0cbd77d" xlink:to="loc_us-gaap_CreditFacilityDomain_40ebd906-aaf8-4aeb-b6c8-2b6be0cbd77d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_6eaede6f-6c2c-4b5d-9028-1f18e61df4b4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_40ebd906-aaf8-4aeb-b6c8-2b6be0cbd77d" xlink:to="loc_us-gaap_CreditFacilityDomain_6eaede6f-6c2c-4b5d-9028-1f18e61df4b4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_d15c87be-bf2b-42ab-92dc-72345614a547" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_6eaede6f-6c2c-4b5d-9028-1f18e61df4b4" xlink:to="loc_us-gaap_SecuredDebtMember_d15c87be-bf2b-42ab-92dc-72345614a547" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_fc4cd669-c265-475f-a7a6-b54d9b893dbc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_e332571f-7207-45ec-8fbe-63471e807804" xlink:to="loc_us-gaap_DebtInstrumentAxis_fc4cd669-c265-475f-a7a6-b54d9b893dbc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_fc4cd669-c265-475f-a7a6-b54d9b893dbc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_fc4cd669-c265-475f-a7a6-b54d9b893dbc" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_fc4cd669-c265-475f-a7a6-b54d9b893dbc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_2ca9e633-64f7-429b-9932-6dce420f6b4a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_fc4cd669-c265-475f-a7a6-b54d9b893dbc" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_2ca9e633-64f7-429b-9932-6dce420f6b4a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_TermLoanFacilityMember_f9311330-93e9-4368-9123-641659a72f6d" xlink:href="hog-20250630.xsd#hog_TermLoanFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2ca9e633-64f7-429b-9932-6dce420f6b4a" xlink:to="loc_hog_TermLoanFacilityMember_f9311330-93e9-4368-9123-641659a72f6d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_ThreePointFivePercentSeniorUnsecuredNotesDue2025Member_3b1ac987-f7d1-4f70-b608-19976417a57b" xlink:href="hog-20250630.xsd#hog_ThreePointFivePercentSeniorUnsecuredNotesDue2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2ca9e633-64f7-429b-9932-6dce420f6b4a" xlink:to="loc_hog_ThreePointFivePercentSeniorUnsecuredNotesDue2025Member_3b1ac987-f7d1-4f70-b608-19976417a57b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_2de6193d-1852-4ccf-8e2a-25fc6dff1e60" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_e332571f-7207-45ec-8fbe-63471e807804" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_2de6193d-1852-4ccf-8e2a-25fc6dff1e60" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2de6193d-1852-4ccf-8e2a-25fc6dff1e60_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_2de6193d-1852-4ccf-8e2a-25fc6dff1e60" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2de6193d-1852-4ccf-8e2a-25fc6dff1e60_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_e7a51909-f9b6-4b6b-a243-f22c70189b1d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_2de6193d-1852-4ccf-8e2a-25fc6dff1e60" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_e7a51909-f9b6-4b6b-a243-f22c70189b1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_8d4bde18-5d23-41d4-a3ff-96bde4b8ac1a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_e7a51909-f9b6-4b6b-a243-f22c70189b1d" xlink:to="loc_us-gaap_LineOfCreditMember_8d4bde18-5d23-41d4-a3ff-96bde4b8ac1a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_0647eefe-30f5-435a-a93f-f686c2403237" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_e7a51909-f9b6-4b6b-a243-f22c70189b1d" xlink:to="loc_us-gaap_SeniorNotesMember_0647eefe-30f5-435a-a93f-f686c2403237" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_f46e4089-b5ac-458a-af4d-6041c9963d85" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_e332571f-7207-45ec-8fbe-63471e807804" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_f46e4089-b5ac-458a-af4d-6041c9963d85" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_f46e4089-b5ac-458a-af4d-6041c9963d85_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_f46e4089-b5ac-458a-af4d-6041c9963d85" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_f46e4089-b5ac-458a-af4d-6041c9963d85_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_e42143bd-c639-4d16-bcf7-2bff0cbbc18e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_f46e4089-b5ac-458a-af4d-6041c9963d85" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_e42143bd-c639-4d16-bcf7-2bff0cbbc18e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_42024849-dbab-43c2-82b3-f5e67d97e70c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_e42143bd-c639-4d16-bcf7-2bff0cbbc18e" xlink:to="loc_us-gaap_SubsequentEventMember_42024849-dbab-43c2-82b3-f5e67d97e70c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_7421696a-b2b3-4c8c-9944-c27fc3827e67" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_e332571f-7207-45ec-8fbe-63471e807804" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_7421696a-b2b3-4c8c-9944-c27fc3827e67" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_7421696a-b2b3-4c8c-9944-c27fc3827e67_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_7421696a-b2b3-4c8c-9944-c27fc3827e67" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_7421696a-b2b3-4c8c-9944-c27fc3827e67_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_ba53a72f-295f-4657-afa6-3f036a5d9f3f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis_7421696a-b2b3-4c8c-9944-c27fc3827e67" xlink:to="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_ba53a72f-295f-4657-afa6-3f036a5d9f3f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsumerPortfolioSegmentMember_5091ed87-c158-4a63-9c69-bbd25938184a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConsumerPortfolioSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain_ba53a72f-295f-4657-afa6-3f036a5d9f3f" xlink:to="loc_us-gaap_ConsumerPortfolioSegmentMember_5091ed87-c158-4a63-9c69-bbd25938184a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_ace30dac-d42d-41ce-96be-081e33b8404e" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementScenarioAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_e332571f-7207-45ec-8fbe-63471e807804" xlink:to="loc_srt_StatementScenarioAxis_ace30dac-d42d-41ce-96be-081e33b8404e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_ace30dac-d42d-41ce-96be-081e33b8404e_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementScenarioAxis_ace30dac-d42d-41ce-96be-081e33b8404e" xlink:to="loc_srt_ScenarioUnspecifiedDomain_ace30dac-d42d-41ce-96be-081e33b8404e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_bf96a865-56c4-409a-ba11-09730548ebc0" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementScenarioAxis_ace30dac-d42d-41ce-96be-081e33b8404e" xlink:to="loc_srt_ScenarioUnspecifiedDomain_bf96a865-56c4-409a-ba11-09730548ebc0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember_ee8a2f64-e298-4258-aee9-4295df414787" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioForecastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ScenarioUnspecifiedDomain_bf96a865-56c4-409a-ba11-09730548ebc0" xlink:to="loc_srt_ScenarioForecastMember_ee8a2f64-e298-4258-aee9-4295df414787" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_420098b8-80cf-4d00-a65e-9a0a7f34e164" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_e332571f-7207-45ec-8fbe-63471e807804" xlink:to="loc_srt_OwnershipAxis_420098b8-80cf-4d00-a65e-9a0a7f34e164" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_420098b8-80cf-4d00-a65e-9a0a7f34e164_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_420098b8-80cf-4d00-a65e-9a0a7f34e164" xlink:to="loc_srt_OwnershipDomain_420098b8-80cf-4d00-a65e-9a0a7f34e164_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_18f6f8dd-8129-4ee5-8adc-61d9ef6a9c3a" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_420098b8-80cf-4d00-a65e-9a0a7f34e164" xlink:to="loc_srt_OwnershipDomain_18f6f8dd-8129-4ee5-8adc-61d9ef6a9c3a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HarleyDavidsonFinancialServicesMember_c44b7e3e-cf49-4551-aed7-a633256d05c4" xlink:href="hog-20250630.xsd#hog_HarleyDavidsonFinancialServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_18f6f8dd-8129-4ee5-8adc-61d9ef6a9c3a" xlink:to="loc_hog_HarleyDavidsonFinancialServicesMember_c44b7e3e-cf49-4551-aed7-a633256d05c4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_d882ab55-bb70-4f23-a63f-2a7e689bb866" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_e332571f-7207-45ec-8fbe-63471e807804" xlink:to="loc_srt_CounterpartyNameAxis_d882ab55-bb70-4f23-a63f-2a7e689bb866" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_d882ab55-bb70-4f23-a63f-2a7e689bb866_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_d882ab55-bb70-4f23-a63f-2a7e689bb866" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_d882ab55-bb70-4f23-a63f-2a7e689bb866_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_682ca910-d4fa-4e40-aac2-e94fc5a51e74" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_d882ab55-bb70-4f23-a63f-2a7e689bb866" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_682ca910-d4fa-4e40-aac2-e94fc5a51e74" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_HarleyDavidsonFinancialServicesMember_534af046-93d0-4f22-861c-df3ad08d351c" xlink:href="hog-20250630.xsd#hog_HarleyDavidsonFinancialServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_682ca910-d4fa-4e40-aac2-e94fc5a51e74" xlink:to="loc_hog_HarleyDavidsonFinancialServicesMember_534af046-93d0-4f22-861c-df3ad08d351c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_694b6d55-eae6-463d-a140-dd9b8cf367ca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_694b6d55-eae6-463d-a140-dd9b8cf367ca" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_522e3833-6a22-49b2-9e70-d98b41685ccb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_522e3833-6a22-49b2-9e70-d98b41685ccb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_3132dd7e-5825-4f3e-9fbb-47a98f7bb7fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_us-gaap_RepaymentsOfDebt_3132dd7e-5825-4f3e-9fbb-47a98f7bb7fb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_d4c66545-3b01-4005-b84d-1c82ba67ed19" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_d4c66545-3b01-4005-b84d-1c82ba67ed19" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_FinancingReceivableTransactionNumberOfCounterparties_02e07fe9-5f12-4392-be43-41c1a0b68001" xlink:href="hog-20250630.xsd#hog_FinancingReceivableTransactionNumberOfCounterparties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_hog_FinancingReceivableTransactionNumberOfCounterparties_02e07fe9-5f12-4392-be43-41c1a0b68001" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_FinancingReceivableTransferredToSpecialPurposeEntitiesExpectedToBeSoldPercentOfResidualInterest_38598a75-0b91-4b2c-be8c-72430f8c9b4e" xlink:href="hog-20250630.xsd#hog_FinancingReceivableTransferredToSpecialPurposeEntitiesExpectedToBeSoldPercentOfResidualInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_hog_FinancingReceivableTransferredToSpecialPurposeEntitiesExpectedToBeSoldPercentOfResidualInterest_38598a75-0b91-4b2c-be8c-72430f8c9b4e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_FinancingReceivableNewLoanOriginationsExpectedToBePurchased_b792e0ee-c7b5-4968-9673-a7e1d9f661b6" xlink:href="hog-20250630.xsd#hog_FinancingReceivableNewLoanOriginationsExpectedToBePurchased"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_hog_FinancingReceivableNewLoanOriginationsExpectedToBePurchased_b792e0ee-c7b5-4968-9673-a7e1d9f661b6" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_FinancingReceivableNewLoanOriginationsPeriodMinimum_7f110c39-8bd5-42f7-9dfc-2299221c7c55" xlink:href="hog-20250630.xsd#hog_FinancingReceivableNewLoanOriginationsPeriodMinimum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_hog_FinancingReceivableNewLoanOriginationsPeriodMinimum_7f110c39-8bd5-42f7-9dfc-2299221c7c55" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_SubsidiaryExpectedOwnershipPercentageNoncontrollingOwner_b5f99baf-0c6e-4ce8-ac66-3dcf1589e96f" xlink:href="hog-20250630.xsd#hog_SubsidiaryExpectedOwnershipPercentageNoncontrollingOwner"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_hog_SubsidiaryExpectedOwnershipPercentageNoncontrollingOwner_b5f99baf-0c6e-4ce8-ac66-3dcf1589e96f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_SubsidiaryExpectedOwnershipPercentageNoncontrollingOwnerMultipleOfEquityCarryingValue_a9507774-5222-44ad-b7d3-b0823ba42f47" xlink:href="hog-20250630.xsd#hog_SubsidiaryExpectedOwnershipPercentageNoncontrollingOwnerMultipleOfEquityCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_hog_SubsidiaryExpectedOwnershipPercentageNoncontrollingOwnerMultipleOfEquityCarryingValue_a9507774-5222-44ad-b7d3-b0823ba42f47" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_NoncontrollingInterestRightToExchangeOwnershipInterestPeriodAfterInitialPurchase_c8f544eb-3bf8-4782-a8c5-16e4084aa7b4" xlink:href="hog-20250630.xsd#hog_NoncontrollingInterestRightToExchangeOwnershipInterestPeriodAfterInitialPurchase"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_hog_NoncontrollingInterestRightToExchangeOwnershipInterestPeriodAfterInitialPurchase_c8f544eb-3bf8-4782-a8c5-16e4084aa7b4" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_NoncontrollingInterestRightToRepurchaseOwnershipInterestPeriodAfterInitialPurchase_6de53896-0079-428d-8872-4a3ae1d57a9f" xlink:href="hog-20250630.xsd#hog_NoncontrollingInterestRightToRepurchaseOwnershipInterestPeriodAfterInitialPurchase"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_hog_NoncontrollingInterestRightToRepurchaseOwnershipInterestPeriodAfterInitialPurchase_6de53896-0079-428d-8872-4a3ae1d57a9f" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_hog_NoncontrollingInterestRightToRepurchaseOwnershipInterestMaximumAnnualPercentage_d4f9748d-fa6b-435f-a2be-dd57776c94fd" xlink:href="hog-20250630.xsd#hog_NoncontrollingInterestRightToRepurchaseOwnershipInterestMaximumAnnualPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_9482658f-7415-4c81-98ac-f036e4527344" xlink:to="loc_hog_NoncontrollingInterestRightToRepurchaseOwnershipInterestMaximumAnnualPercentage_d4f9748d-fa6b-435f-a2be-dd57776c94fd" xlink:type="arc" order="12"/>
  </link:definitionLink>
</link:linkbase>
