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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e847f-52ab-7f77-97d5-25ace3ce1f96,g:c3e2bb82-43be-4bee-8616-b8f2c863c5fb-->
<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.altria.com/role/Cover" xlink:type="simple" xlink:href="mo-20260605.xsd#Cover"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_019e847f-52ac-76eb-b767-a03b8a106155" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_019e847f-52ac-7c57-9b7a-b395f7f34262" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_019e847f-52ac-76eb-b767-a03b8a106155" xlink:to="loc_dei_DocumentInformationTable_019e847f-52ac-7c57-9b7a-b395f7f34262" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-52ac-7dcd-b201-d0dc603d9669" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_019e847f-52ac-7c57-9b7a-b395f7f34262" xlink:to="loc_dei_LegalEntityAxis_019e847f-52ac-7dcd-b201-d0dc603d9669" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-52ac-7dcd-b201-d0dc603d9669_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-52ac-7dcd-b201-d0dc603d9669" xlink:to="loc_dei_EntityDomain_019e847f-52ac-7dcd-b201-d0dc603d9669_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-52ac-7ee3-bffd-33267c40bbcb" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-52ac-7dcd-b201-d0dc603d9669" xlink:to="loc_dei_EntityDomain_019e847f-52ac-7ee3-bffd-33267c40bbcb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-52ac-7f79-96d0-002b602dc839" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-52ac-7ee3-bffd-33267c40bbcb" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-52ac-7f79-96d0-002b602dc839" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019e847f-52ac-75d4-883a-db2fff4cac45" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e847f-52ac-76eb-b767-a03b8a106155" xlink:to="loc_dei_DocumentType_019e847f-52ac-75d4-883a-db2fff4cac45" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019e847f-52ac-7df9-8122-97b152a7b01b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e847f-52ac-76eb-b767-a03b8a106155" xlink:to="loc_dei_EntityRegistrantName_019e847f-52ac-7df9-8122-97b152a7b01b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019e847f-52ac-7e23-a0c7-e2959ddba1cf" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e847f-52ac-76eb-b767-a03b8a106155" xlink:to="loc_dei_AmendmentFlag_019e847f-52ac-7e23-a0c7-e2959ddba1cf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019e847f-52ac-7554-a16d-1a2c0826ea75" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019e847f-52ac-76eb-b767-a03b8a106155" xlink:to="loc_dei_EntityCentralIndexKey_019e847f-52ac-7554-a16d-1a2c0826ea75" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/STATEMENTSOFNETASSETSAVAILABLEFORBENEFITS" xlink:type="simple" xlink:href="mo-20260605.xsd#STATEMENTSOFNETASSETSAVAILABLEFORBENEFITS"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/STATEMENTSOFNETASSETSAVAILABLEFORBENEFITS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems_019e847f-5357-72de-aa01-4864d052e9e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable_019e847f-5357-7990-ae2d-016acde97407" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems_019e847f-5357-72de-aa01-4864d052e9e3" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable_019e847f-5357-7990-ae2d-016acde97407" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7555-803a-0bb07a4223cf" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable_019e847f-5357-7990-ae2d-016acde97407" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7555-803a-0bb07a4223cf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7555-803a-0bb07a4223cf_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7555-803a-0bb07a4223cf" xlink:to="loc_dei_EntityDomain_019e847f-5357-7555-803a-0bb07a4223cf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-794d-bc75-d23250f562a8" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7555-803a-0bb07a4223cf" xlink:to="loc_dei_EntityDomain_019e847f-5357-794d-bc75-d23250f562a8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7ad9-a5c8-5275f28c9cd8" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-794d-bc75-d23250f562a8" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7ad9-a5c8-5275f28c9cd8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7d7d-8fb7-c069e7a9b3ab" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable_019e847f-5357-7990-ae2d-016acde97407" xlink:to="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7d7d-8fb7-c069e7a9b3ab" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7d7d-8fb7-c069e7a9b3ab_default" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7d7d-8fb7-c069e7a9b3ab" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7d7d-8fb7-c069e7a9b3ab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7a12-8884-7716542b247d" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7d7d-8fb7-c069e7a9b3ab" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7a12-8884-7716542b247d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustMember_019e847f-5357-7b89-a326-6a77a94d774e" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7a12-8884-7716542b247d" xlink:to="loc_mo_EBPMasterTrustMember_019e847f-5357-7b89-a326-6a77a94d774e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustAMember_019e847f-5357-7f2d-b4cb-eebd387c937a" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7a12-8884-7716542b247d" xlink:to="loc_mo_EBPMasterTrustAMember_019e847f-5357-7f2d-b4cb-eebd387c937a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustBMember_019e847f-5357-7aa7-9cae-e44112bc095a" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7a12-8884-7716542b247d" xlink:to="loc_mo_EBPMasterTrustBMember_019e847f-5357-7aa7-9cae-e44112bc095a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAbstract_019e847f-5357-7b23-b7dd-3ec6f807e015" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems_019e847f-5357-72de-aa01-4864d052e9e3" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAbstract_019e847f-5357-7b23-b7dd-3ec6f807e015" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairValue_019e847f-5357-703c-be71-4a0faf57e991" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAbstract_019e847f-5357-7b23-b7dd-3ec6f807e015" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairValue_019e847f-5357-703c-be71-4a0faf57e991" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentContractValueAbstract_019e847f-5357-7246-b45a-46131016c012" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentContractValueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems_019e847f-5357-72de-aa01-4864d052e9e3" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentContractValueAbstract_019e847f-5357-7246-b45a-46131016c012" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustContractValue_019e847f-5357-789c-a287-8d2fc5517208" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustContractValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentContractValueAbstract_019e847f-5357-7246-b45a-46131016c012" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustContractValue_019e847f-5357-789c-a287-8d2fc5517208" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairAndContractValue_019e847f-5357-73cf-9090-d4c2224d8cac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairAndContractValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems_019e847f-5357-72de-aa01-4864d052e9e3" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairAndContractValue_019e847f-5357-73cf-9090-d4c2224d8cac" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract_019e847f-5357-7fae-9194-840ca2bc1942" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems_019e847f-5357-72de-aa01-4864d052e9e3" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract_019e847f-5357-7fae-9194-840ca2bc1942" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable_019e847f-5357-7e3c-8a47-d5925b40b70d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract_019e847f-5357-7fae-9194-840ca2bc1942" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable_019e847f-5357-7e3c-8a47-d5925b40b70d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionReceivable_019e847f-5357-7862-8724-3f33be482148" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanParticipantContributionReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract_019e847f-5357-7fae-9194-840ca2bc1942" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionReceivable_019e847f-5357-7862-8724-3f33be482148" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant_019e847f-5357-7494-85c3-d1cb7311fa8f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract_019e847f-5357-7fae-9194-840ca2bc1942" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant_019e847f-5357-7494-85c3-d1cb7311fa8f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReceivable_019e847f-5357-70a6-af5c-3798ce2d2bc4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract_019e847f-5357-7fae-9194-840ca2bc1942" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanReceivable_019e847f-5357-70a6-af5c-3798ce2d2bc4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019e847f-5357-7893-9d96-d658008697ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems_019e847f-5357-72de-aa01-4864d052e9e3" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019e847f-5357-7893-9d96-d658008697ac" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/STATEMENTOFCHANGESINNETASSETSAVAILABLEFORBENEFITS" xlink:type="simple" xlink:href="mo-20260605.xsd#STATEMENTOFCHANGESINNETASSETSAVAILABLEFORBENEFITS"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/STATEMENTOFCHANGESINNETASSETSAVAILABLEFORBENEFITS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019e847f-5357-79d6-b3fb-20799be383f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable_019e847f-5357-7b0e-a21b-f181478627b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019e847f-5357-79d6-b3fb-20799be383f2" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable_019e847f-5357-7b0e-a21b-f181478627b9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7dee-849f-99bbfa8fed47" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable_019e847f-5357-7b0e-a21b-f181478627b9" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7dee-849f-99bbfa8fed47" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7dee-849f-99bbfa8fed47_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7dee-849f-99bbfa8fed47" xlink:to="loc_dei_EntityDomain_019e847f-5357-7dee-849f-99bbfa8fed47_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7ee3-8807-55357ffaa23a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7dee-849f-99bbfa8fed47" xlink:to="loc_dei_EntityDomain_019e847f-5357-7ee3-8807-55357ffaa23a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7d4a-8c18-adb0a6b45eaf" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-7ee3-8807-55357ffaa23a" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7d4a-8c18-adb0a6b45eaf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-790f-9215-9ec588e1f753" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable_019e847f-5357-7b0e-a21b-f181478627b9" xlink:to="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-790f-9215-9ec588e1f753" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-790f-9215-9ec588e1f753_default" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-790f-9215-9ec588e1f753" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-790f-9215-9ec588e1f753_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7dc7-8404-a66b87e447e7" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-790f-9215-9ec588e1f753" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7dc7-8404-a66b87e447e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustMember_019e847f-5357-755c-9d0a-f3654a33c945" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7dc7-8404-a66b87e447e7" xlink:to="loc_mo_EBPMasterTrustMember_019e847f-5357-755c-9d0a-f3654a33c945" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustAMember_019e847f-5357-736d-a730-07b3d8daf546" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7dc7-8404-a66b87e447e7" xlink:to="loc_mo_EBPMasterTrustAMember_019e847f-5357-736d-a730-07b3d8daf546" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_019e847f-5357-7ee6-90d6-cd791034fd1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019e847f-5357-79d6-b3fb-20799be383f2" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_019e847f-5357-7ee6-90d6-cd791034fd1a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract_019e847f-5357-72c9-945b-a8063b85eadd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_019e847f-5357-7ee6-90d6-cd791034fd1a" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract_019e847f-5357-72c9-945b-a8063b85eadd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_019e847f-5357-724b-a4aa-45afd61d67b7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract_019e847f-5357-72c9-945b-a8063b85eadd" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_019e847f-5357-724b-a4aa-45afd61d67b7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_019e847f-5357-745a-bc9a-7281bea90224" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract_019e847f-5357-72c9-945b-a8063b85eadd" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_019e847f-5357-745a-bc9a-7281bea90224" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant_019e847f-5357-7bba-8128-a0bfc2c1fc9c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_019e847f-5357-7ee6-90d6-cd791034fd1a" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant_019e847f-5357-7bba-8128-a0bfc2c1fc9c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract_019e847f-5357-7841-ac93-218ab55a6cdb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_019e847f-5357-7ee6-90d6-cd791034fd1a" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract_019e847f-5357-7841-ac93-218ab55a6cdb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContribution_019e847f-5357-7f97-b984-2ac9c9e146c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContribution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract_019e847f-5357-7841-ac93-218ab55a6cdb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContribution_019e847f-5357-7f97-b984-2ac9c9e146c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContribution_019e847f-5357-73ac-a9d0-5cd5a423f712" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContribution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract_019e847f-5357-7841-ac93-218ab55a6cdb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContribution_019e847f-5357-73ac-a9d0-5cd5a423f712" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution_019e847f-5357-7486-983a-683b2529dfa6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract_019e847f-5357-7841-ac93-218ab55a6cdb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution_019e847f-5357-7486-983a-683b2529dfa6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease_019e847f-5357-74d6-9c72-255302d03b9a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract_019e847f-5357-7ee6-90d6-cd791034fd1a" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease_019e847f-5357-74d6-9c72-255302d03b9a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_019e847f-5357-792a-88a7-8a06f2eeb2e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019e847f-5357-79d6-b3fb-20799be383f2" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_019e847f-5357-792a-88a7-8a06f2eeb2e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant_019e847f-5357-7149-bd1f-01b66ffc35d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_019e847f-5357-792a-88a7-8a06f2eeb2e1" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant_019e847f-5357-7149-bd1f-01b66ffc35d5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease_019e847f-5357-732a-ae31-2303c94b26f3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract_019e847f-5357-792a-88a7-8a06f2eeb2e1" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease_019e847f-5357-732a-ae31-2303c94b26f3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease_019e847f-5357-78e7-bf47-200b6f433709" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019e847f-5357-79d6-b3fb-20799be383f2" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease_019e847f-5357-78e7-bf47-200b6f433709" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPChangeInNetAssetAvailableForBenefitTransferFromPlan_019e847f-5357-71ad-9281-35eccdab5929" xlink:href="mo-20260605.xsd#mo_EBPChangeInNetAssetAvailableForBenefitTransferFromPlan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019e847f-5357-79d6-b3fb-20799be383f2" xlink:to="loc_mo_EBPChangeInNetAssetAvailableForBenefitTransferFromPlan_019e847f-5357-71ad-9281-35eccdab5929" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPChangeInNetAssetAvailableForBenefitTransferToPlan_019e847f-5357-7fd6-8cc5-a10af3238618" xlink:href="mo-20260605.xsd#mo_EBPChangeInNetAssetAvailableForBenefitTransferToPlan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019e847f-5357-79d6-b3fb-20799be383f2" xlink:to="loc_mo_EBPChangeInNetAssetAvailableForBenefitTransferToPlan_019e847f-5357-7fd6-8cc5-a10af3238618" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPChangeInNetAssetAvailableForBenefitIncreaseDecreaseAfterTransfersToFromPlan_019e847f-5357-72df-befc-5352da4d8e9f" xlink:href="mo-20260605.xsd#mo_EBPChangeInNetAssetAvailableForBenefitIncreaseDecreaseAfterTransfersToFromPlan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019e847f-5357-79d6-b3fb-20799be383f2" xlink:to="loc_mo_EBPChangeInNetAssetAvailableForBenefitIncreaseDecreaseAfterTransfersToFromPlan_019e847f-5357-72df-befc-5352da4d8e9f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019e847f-5357-7e53-976c-077373543cf5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems_019e847f-5357-79d6-b3fb-20799be383f2" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019e847f-5357-7e53-976c-077373543cf5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019e847f-5357-7924-9398-e11a16cb7fdc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/DescriptionofthePlan" xlink:type="simple" xlink:href="mo-20260605.xsd#DescriptionofthePlan"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/DescriptionofthePlan" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7d98-95c3-b74ef7fd4748" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7485-a1ef-be94d3b547e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7d98-95c3-b74ef7fd4748" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7485-a1ef-be94d3b547e5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7df0-aa05-725192cb7b64" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7485-a1ef-be94d3b547e5" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7df0-aa05-725192cb7b64" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7df0-aa05-725192cb7b64_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7df0-aa05-725192cb7b64" xlink:to="loc_dei_EntityDomain_019e847f-5357-7df0-aa05-725192cb7b64_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7533-a243-3ec50b79c93e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7df0-aa05-725192cb7b64" xlink:to="loc_dei_EntityDomain_019e847f-5357-7533-a243-3ec50b79c93e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7672-b448-55665f6f4c28" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-7533-a243-3ec50b79c93e" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7672-b448-55665f6f4c28" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock_019e847f-5357-7c0d-a36b-fc3e9c121ed5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7d98-95c3-b74ef7fd4748" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock_019e847f-5357-7c0d-a36b-fc3e9c121ed5" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/SummaryofSignificantAccountingPolicies" xlink:type="simple" xlink:href="mo-20260605.xsd#SummaryofSignificantAccountingPolicies"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/SummaryofSignificantAccountingPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019e847f-5357-7e30-aa1e-d60e3516c29e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019e847f-5357-7adf-acf6-a9e91fca4b02" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019e847f-5357-7e30-aa1e-d60e3516c29e" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019e847f-5357-7adf-acf6-a9e91fca4b02" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-780b-a432-ae411c542f97" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019e847f-5357-7adf-acf6-a9e91fca4b02" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-780b-a432-ae411c542f97" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-780b-a432-ae411c542f97_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-780b-a432-ae411c542f97" xlink:to="loc_dei_EntityDomain_019e847f-5357-780b-a432-ae411c542f97_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-79bc-ac3b-75487b7fdd6f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-780b-a432-ae411c542f97" xlink:to="loc_dei_EntityDomain_019e847f-5357-79bc-ac3b-75487b7fdd6f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7992-ae26-ec912e3fbdc9" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-79bc-ac3b-75487b7fdd6f" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7992-ae26-ec912e3fbdc9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock_019e847f-5357-7476-a2fd-b2e74f8f604d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019e847f-5357-7e30-aa1e-d60e3516c29e" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock_019e847f-5357-7476-a2fd-b2e74f8f604d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/MasterTrustInvestments" xlink:type="simple" xlink:href="mo-20260605.xsd#MasterTrustInvestments"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/MasterTrustInvestments" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-71b0-8459-4df38ff510d2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7a2e-b8ef-d9aa71245e69" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-71b0-8459-4df38ff510d2" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7a2e-b8ef-d9aa71245e69" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-767a-a31e-2d88f746f420" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7a2e-b8ef-d9aa71245e69" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-767a-a31e-2d88f746f420" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-767a-a31e-2d88f746f420_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-767a-a31e-2d88f746f420" xlink:to="loc_dei_EntityDomain_019e847f-5357-767a-a31e-2d88f746f420_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7ff4-a2df-6f24072610aa" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-767a-a31e-2d88f746f420" xlink:to="loc_dei_EntityDomain_019e847f-5357-7ff4-a2df-6f24072610aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-711c-9101-408ebe51ca72" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-7ff4-a2df-6f24072610aa" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-711c-9101-408ebe51ca72" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTextBlock_019e847f-5357-7564-a566-b64b6bf7fedc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-71b0-8459-4df38ff510d2" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTextBlock_019e847f-5357-7564-a566-b64b6bf7fedc" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/MasterTrustAInvestments" xlink:type="simple" xlink:href="mo-20260605.xsd#MasterTrustAInvestments"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/MasterTrustAInvestments" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7a2e-9e04-79d7f283a17f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e11-b2f0-a7c27b852ef9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7a2e-9e04-79d7f283a17f" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e11-b2f0-a7c27b852ef9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7c72-8145-516453909577" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e11-b2f0-a7c27b852ef9" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7c72-8145-516453909577" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7c72-8145-516453909577_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7c72-8145-516453909577" xlink:to="loc_dei_EntityDomain_019e847f-5357-7c72-8145-516453909577_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-797d-af9f-ed727b11d543" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7c72-8145-516453909577" xlink:to="loc_dei_EntityDomain_019e847f-5357-797d-af9f-ed727b11d543" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-73e3-895d-7ef3bfc3d357" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-797d-af9f-ed727b11d543" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-73e3-895d-7ef3bfc3d357" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTextBlock_019e847f-5357-7979-9a30-7c6ac051bb64" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7a2e-9e04-79d7f283a17f" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTextBlock_019e847f-5357-7979-9a30-7c6ac051bb64" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/FairValueMeasurements" xlink:type="simple" xlink:href="mo-20260605.xsd#FairValueMeasurements"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/FairValueMeasurements" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019e847f-5357-7953-abe7-ad6d0ad834ea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019e847f-5357-7e9e-b52e-901e2bb23428" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019e847f-5357-7953-abe7-ad6d0ad834ea" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019e847f-5357-7e9e-b52e-901e2bb23428" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-72ff-8729-90bf258455fa" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019e847f-5357-7e9e-b52e-901e2bb23428" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-72ff-8729-90bf258455fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-72ff-8729-90bf258455fa_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-72ff-8729-90bf258455fa" xlink:to="loc_dei_EntityDomain_019e847f-5357-72ff-8729-90bf258455fa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-776a-bb01-922bee4461af" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-72ff-8729-90bf258455fa" xlink:to="loc_dei_EntityDomain_019e847f-5357-776a-bb01-922bee4461af" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7241-957b-dae33d715f06" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-776a-bb01-922bee4461af" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7241-957b-dae33d715f06" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock_019e847f-5357-73d8-9547-d9d4a90a6d2e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019e847f-5357-7953-abe7-ad6d0ad834ea" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock_019e847f-5357-73d8-9547-d9d4a90a6d2e" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/RelatedPartyandPartyInInterestTransactions" xlink:type="simple" xlink:href="mo-20260605.xsd#RelatedPartyandPartyInInterestTransactions"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/RelatedPartyandPartyInInterestTransactions" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019e847f-5357-710d-8f40-67a681c815e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019e847f-5357-7490-81e7-3735767abdf0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019e847f-5357-710d-8f40-67a681c815e6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019e847f-5357-7490-81e7-3735767abdf0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7382-afe3-bc325ea10abc" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019e847f-5357-7490-81e7-3735767abdf0" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7382-afe3-bc325ea10abc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7382-afe3-bc325ea10abc_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7382-afe3-bc325ea10abc" xlink:to="loc_dei_EntityDomain_019e847f-5357-7382-afe3-bc325ea10abc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7621-90f9-9f70185529c9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7382-afe3-bc325ea10abc" xlink:to="loc_dei_EntityDomain_019e847f-5357-7621-90f9-9f70185529c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-704e-9ea6-1bc50e0a47fb" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-7621-90f9-9f70185529c9" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-704e-9ea6-1bc50e0a47fb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock_019e847f-5357-7a46-8f1c-b5da02ecc0d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019e847f-5357-710d-8f40-67a681c815e6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock_019e847f-5357-7a46-8f1c-b5da02ecc0d7" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/PlanAmendmentandTermination" xlink:type="simple" xlink:href="mo-20260605.xsd#PlanAmendmentandTermination"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/PlanAmendmentandTermination" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5358-7331-b055-764eb386b25b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5358-7f09-bb8a-45e967e0ac1a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5358-7331-b055-764eb386b25b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5358-7f09-bb8a-45e967e0ac1a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5358-702e-93d2-4a9f86aff980" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5358-7f09-bb8a-45e967e0ac1a" xlink:to="loc_dei_LegalEntityAxis_019e847f-5358-702e-93d2-4a9f86aff980" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-702e-93d2-4a9f86aff980_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-702e-93d2-4a9f86aff980" xlink:to="loc_dei_EntityDomain_019e847f-5358-702e-93d2-4a9f86aff980_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-728e-8b21-3efac3dcfb60" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-702e-93d2-4a9f86aff980" xlink:to="loc_dei_EntityDomain_019e847f-5358-728e-8b21-3efac3dcfb60" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5358-72f2-834d-c322e4432247" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5358-728e-8b21-3efac3dcfb60" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5358-72f2-834d-c322e4432247" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock_019e847f-5358-7e86-954f-666247c8d505" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5358-7331-b055-764eb386b25b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock_019e847f-5358-7e86-954f-666247c8d505" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/TaxStatus" xlink:type="simple" xlink:href="mo-20260605.xsd#TaxStatus"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/TaxStatus" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems_019e847f-5358-7a28-a061-e8dddf05470b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable_019e847f-5358-76c6-88b5-8bcf23cb40da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems_019e847f-5358-7a28-a061-e8dddf05470b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable_019e847f-5358-76c6-88b5-8bcf23cb40da" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5358-7bcb-b983-d762e86bfda1" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable_019e847f-5358-76c6-88b5-8bcf23cb40da" xlink:to="loc_dei_LegalEntityAxis_019e847f-5358-7bcb-b983-d762e86bfda1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-7bcb-b983-d762e86bfda1_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7bcb-b983-d762e86bfda1" xlink:to="loc_dei_EntityDomain_019e847f-5358-7bcb-b983-d762e86bfda1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-7e7b-b554-b86a57bc7c31" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7bcb-b983-d762e86bfda1" xlink:to="loc_dei_EntityDomain_019e847f-5358-7e7b-b554-b86a57bc7c31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5358-7bbc-afcf-2af5411a9866" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5358-7e7b-b554-b86a57bc7c31" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5358-7bbc-afcf-2af5411a9866" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock_019e847f-5358-70b7-b2ed-1752441b360e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems_019e847f-5358-7a28-a061-e8dddf05470b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock_019e847f-5358-70b7-b2ed-1752441b360e" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/ReconciliationofFinancialStatementstoForm5500" xlink:type="simple" xlink:href="mo-20260605.xsd#ReconciliationofFinancialStatementstoForm5500"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/ReconciliationofFinancialStatementstoForm5500" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-769a-adb1-379294d6cd4d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7a92-989b-2a7f3b986bde" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-769a-adb1-379294d6cd4d" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7a92-989b-2a7f3b986bde" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5358-7062-ac8b-013549c1216e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7a92-989b-2a7f3b986bde" xlink:to="loc_dei_LegalEntityAxis_019e847f-5358-7062-ac8b-013549c1216e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-7062-ac8b-013549c1216e_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7062-ac8b-013549c1216e" xlink:to="loc_dei_EntityDomain_019e847f-5358-7062-ac8b-013549c1216e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-7c7b-977b-9bfd3f6eb9ec" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7062-ac8b-013549c1216e" xlink:to="loc_dei_EntityDomain_019e847f-5358-7c7b-977b-9bfd3f6eb9ec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5358-79b4-8baf-515302c6a022" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5358-7c7b-977b-9bfd3f6eb9ec" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5358-79b4-8baf-515302c6a022" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500TextBlock_019e847f-5358-70cc-bbbc-f87444c0894f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500TextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-769a-adb1-379294d6cd4d" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500TextBlock_019e847f-5358-70cc-bbbc-f87444c0894f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYear" xlink:type="simple" xlink:href="mo-20260605.xsd#ScheduleHLine4iScheduleofAssetsHeldAtEndofYear"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYear" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019e847f-5358-7ce3-86e6-b233b6da5057" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019e847f-5358-7b13-b5af-754b2a57f1fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019e847f-5358-7ce3-86e6-b233b6da5057" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019e847f-5358-7b13-b5af-754b2a57f1fb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5358-7881-a054-9baf82612df5" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019e847f-5358-7b13-b5af-754b2a57f1fb" xlink:to="loc_dei_LegalEntityAxis_019e847f-5358-7881-a054-9baf82612df5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-7881-a054-9baf82612df5_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7881-a054-9baf82612df5" xlink:to="loc_dei_EntityDomain_019e847f-5358-7881-a054-9baf82612df5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-7839-a526-7ca3857e25f9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7881-a054-9baf82612df5" xlink:to="loc_dei_EntityDomain_019e847f-5358-7839-a526-7ca3857e25f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5358-7866-97fd-51cf81a2b8e8" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5358-7839-a526-7ca3857e25f9" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5358-7866-97fd-51cf81a2b8e8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock_019e847f-5358-7e75-995b-1d96f12f182c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019e847f-5358-7ce3-86e6-b233b6da5057" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock_019e847f-5358-7e75-995b-1d96f12f182c" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/SummaryofSignificantAccountingPoliciesPolicies" xlink:type="simple" xlink:href="mo-20260605.xsd#SummaryofSignificantAccountingPoliciesPolicies"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/SummaryofSignificantAccountingPoliciesPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019e847f-5357-7cc9-8f52-483ce67b306c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019e847f-5357-7bc4-a806-c63fce8d5114" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019e847f-5357-7cc9-8f52-483ce67b306c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019e847f-5357-7bc4-a806-c63fce8d5114" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7ad4-8651-0de6b1427284" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable_019e847f-5357-7bc4-a806-c63fce8d5114" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7ad4-8651-0de6b1427284" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7ad4-8651-0de6b1427284_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7ad4-8651-0de6b1427284" xlink:to="loc_dei_EntityDomain_019e847f-5357-7ad4-8651-0de6b1427284_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7f72-8354-6be3a8892cc5" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7ad4-8651-0de6b1427284" xlink:to="loc_dei_EntityDomain_019e847f-5357-7f72-8354-6be3a8892cc5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7152-8cc1-f3f0599d916c" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-7f72-8354-6be3a8892cc5" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7152-8cc1-f3f0599d916c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock_019e847f-5357-7f97-b346-9c1ce758df7a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019e847f-5357-7cc9-8f52-483ce67b306c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock_019e847f-5357-7f97-b346-9c1ce758df7a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock_019e847f-5357-7eb1-b1db-cf007ae68617" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019e847f-5357-7cc9-8f52-483ce67b306c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock_019e847f-5357-7eb1-b1db-cf007ae68617" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock_019e847f-5357-72ab-91a7-1fbbb7c81bc6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019e847f-5357-7cc9-8f52-483ce67b306c" xlink:to="loc_us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock_019e847f-5357-72ab-91a7-1fbbb7c81bc6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustPolicyTextBlock_019e847f-5357-7ed5-8415-4de21bb4b47c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustPolicyTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019e847f-5357-7cc9-8f52-483ce67b306c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustPolicyTextBlock_019e847f-5357-7ed5-8415-4de21bb4b47c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock_019e847f-5357-71a7-ab7a-d00acafefcfb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019e847f-5357-7cc9-8f52-483ce67b306c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock_019e847f-5357-71a7-ab7a-d00acafefcfb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock_019e847f-5357-797a-bb6b-47a8c021e146" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019e847f-5357-7cc9-8f52-483ce67b306c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock_019e847f-5357-797a-bb6b-47a8c021e146" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock_019e847f-5357-7816-af63-feb67dd03c2f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems_019e847f-5357-7cc9-8f52-483ce67b306c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock_019e847f-5357-7816-af63-feb67dd03c2f" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/DescriptionofthePlanTables" xlink:type="simple" xlink:href="mo-20260605.xsd#DescriptionofthePlanTables"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/DescriptionofthePlanTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-724f-ad25-2f394deecb3b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7749-a9fe-3a3025c38194" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-724f-ad25-2f394deecb3b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7749-a9fe-3a3025c38194" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7827-8560-3772f0c481d3" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7749-a9fe-3a3025c38194" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7827-8560-3772f0c481d3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7827-8560-3772f0c481d3_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7827-8560-3772f0c481d3" xlink:to="loc_dei_EntityDomain_019e847f-5357-7827-8560-3772f0c481d3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-75d6-a55b-7b747be61428" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7827-8560-3772f0c481d3" xlink:to="loc_dei_EntityDomain_019e847f-5357-75d6-a55b-7b747be61428" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7265-8d39-0696611e3ab3" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-75d6-a55b-7b747be61428" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7265-8d39-0696611e3ab3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanContributionTableTextBlock_019e847f-5357-70c5-a30e-780544d76666" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanContributionTableTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-724f-ad25-2f394deecb3b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanContributionTableTextBlock_019e847f-5357-70c5-a30e-780544d76666" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/MasterTrustInvestmentsTables" xlink:type="simple" xlink:href="mo-20260605.xsd#MasterTrustInvestmentsTables"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/MasterTrustInvestmentsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-798f-b605-f6c93a3646aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7b58-805d-cafca750d557" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-798f-b605-f6c93a3646aa" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7b58-805d-cafca750d557" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7206-a623-99e280ddc412" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7b58-805d-cafca750d557" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7206-a623-99e280ddc412" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7206-a623-99e280ddc412_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7206-a623-99e280ddc412" xlink:to="loc_dei_EntityDomain_019e847f-5357-7206-a623-99e280ddc412_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7acc-bc4d-8e6f337fd947" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7206-a623-99e280ddc412" xlink:to="loc_dei_EntityDomain_019e847f-5357-7acc-bc4d-8e6f337fd947" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7816-962b-150a0332f5c5" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-7acc-bc4d-8e6f337fd947" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7816-962b-150a0332f5c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7a37-b9b2-3e0a54d84c93" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7b58-805d-cafca750d557" xlink:to="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7a37-b9b2-3e0a54d84c93" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7a37-b9b2-3e0a54d84c93_default" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7a37-b9b2-3e0a54d84c93" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7a37-b9b2-3e0a54d84c93_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-79fd-90de-88cb3fa74a6b" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7a37-b9b2-3e0a54d84c93" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-79fd-90de-88cb3fa74a6b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustMember_019e847f-5357-7c6c-8912-2cfc30a85c17" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-79fd-90de-88cb3fa74a6b" xlink:to="loc_mo_EBPMasterTrustMember_019e847f-5357-7c6c-8912-2cfc30a85c17" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTableTextBlock_019e847f-5357-7b2e-bf7a-d96e5e40355f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTableTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-798f-b605-f6c93a3646aa" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTableTextBlock_019e847f-5357-7b2e-bf7a-d96e5e40355f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/MasterTrustAInvestmentsTables" xlink:type="simple" xlink:href="mo-20260605.xsd#MasterTrustAInvestmentsTables"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/MasterTrustAInvestmentsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-701e-8d98-0d6c9a274d2b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7127-afd8-a34442ad7bbb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-701e-8d98-0d6c9a274d2b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7127-afd8-a34442ad7bbb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-75d9-8da4-5fb19e5920b1" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7127-afd8-a34442ad7bbb" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-75d9-8da4-5fb19e5920b1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-75d9-8da4-5fb19e5920b1_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-75d9-8da4-5fb19e5920b1" xlink:to="loc_dei_EntityDomain_019e847f-5357-75d9-8da4-5fb19e5920b1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-774a-a95c-78ebe417eace" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-75d9-8da4-5fb19e5920b1" xlink:to="loc_dei_EntityDomain_019e847f-5357-774a-a95c-78ebe417eace" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7db5-8ff3-8ddfe4fc71f9" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-774a-a95c-78ebe417eace" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7db5-8ff3-8ddfe4fc71f9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-786c-ab7d-bb6f963871b3" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7127-afd8-a34442ad7bbb" xlink:to="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-786c-ab7d-bb6f963871b3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-786c-ab7d-bb6f963871b3_default" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-786c-ab7d-bb6f963871b3" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-786c-ab7d-bb6f963871b3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-790b-8e89-ba668e224dc3" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-786c-ab7d-bb6f963871b3" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-790b-8e89-ba668e224dc3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustAMember_019e847f-5357-7fde-a527-115d007d553e" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-790b-8e89-ba668e224dc3" xlink:to="loc_mo_EBPMasterTrustAMember_019e847f-5357-7fde-a527-115d007d553e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTableTextBlock_019e847f-5357-79df-bd6b-bac702eb56e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTableTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-701e-8d98-0d6c9a274d2b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTableTextBlock_019e847f-5357-79df-bd6b-bac702eb56e7" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/FairValueMeasurementsTables" xlink:type="simple" xlink:href="mo-20260605.xsd#FairValueMeasurementsTables"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/FairValueMeasurementsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019e847f-5357-75da-b925-cdbd6ac447c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019e847f-5357-7279-b41c-162b74f650e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019e847f-5357-75da-b925-cdbd6ac447c4" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019e847f-5357-7279-b41c-162b74f650e6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-74e4-8080-8475fbab27ea" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable_019e847f-5357-7279-b41c-162b74f650e6" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-74e4-8080-8475fbab27ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-74e4-8080-8475fbab27ea_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-74e4-8080-8475fbab27ea" xlink:to="loc_dei_EntityDomain_019e847f-5357-74e4-8080-8475fbab27ea_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7a91-ab4a-e30518b83021" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-74e4-8080-8475fbab27ea" xlink:to="loc_dei_EntityDomain_019e847f-5357-7a91-ab4a-e30518b83021" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7304-9e51-1ffa8733987e" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-7a91-ab4a-e30518b83021" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7304-9e51-1ffa8733987e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock_019e847f-5357-775e-b46a-cd2b5a4c1181" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems_019e847f-5357-75da-b925-cdbd6ac447c4" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock_019e847f-5357-775e-b46a-cd2b5a4c1181" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/ReconciliationofFinancialStatementstoForm5500Tables" xlink:type="simple" xlink:href="mo-20260605.xsd#ReconciliationofFinancialStatementstoForm5500Tables"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/ReconciliationofFinancialStatementstoForm5500Tables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-7bfc-a55e-0baab1a03dd6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7def-9af2-a706430feb0a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-7bfc-a55e-0baab1a03dd6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7def-9af2-a706430feb0a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5358-78e7-9217-82795f5539ad" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7def-9af2-a706430feb0a" xlink:to="loc_dei_LegalEntityAxis_019e847f-5358-78e7-9217-82795f5539ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-78e7-9217-82795f5539ad_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-78e7-9217-82795f5539ad" xlink:to="loc_dei_EntityDomain_019e847f-5358-78e7-9217-82795f5539ad_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-7b4f-bbce-16eec521bdce" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-78e7-9217-82795f5539ad" xlink:to="loc_dei_EntityDomain_019e847f-5358-7b4f-bbce-16eec521bdce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5358-7bb6-a31f-c6cd50d8060a" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5358-7b4f-bbce-16eec521bdce" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5358-7bb6-a31f-c6cd50d8060a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500TableTextBlock_019e847f-5358-768f-8d30-2ad1fd20efdd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500TableTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-7bfc-a55e-0baab1a03dd6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500TableTextBlock_019e847f-5358-768f-8d30-2ad1fd20efdd" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/DescriptionofthePlanNarrativeDetails" xlink:type="simple" xlink:href="mo-20260605.xsd#DescriptionofthePlanNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/DescriptionofthePlanNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7c5b-b505-581686f9a59e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7c5b-b505-581686f9a59e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7041-9ed2-1eec84496279" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7c5b-b505-581686f9a59e" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7041-9ed2-1eec84496279" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7041-9ed2-1eec84496279_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7041-9ed2-1eec84496279" xlink:to="loc_dei_EntityDomain_019e847f-5357-7041-9ed2-1eec84496279_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7430-aa39-9f654f9f4654" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7041-9ed2-1eec84496279" xlink:to="loc_dei_EntityDomain_019e847f-5357-7430-aa39-9f654f9f4654" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7fb6-87dc-41b9d75e38fd" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-7430-aa39-9f654f9f4654" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7fb6-87dc-41b9d75e38fd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-79cb-b06d-db93b303e440" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7c5b-b505-581686f9a59e" xlink:to="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-79cb-b06d-db93b303e440" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-79cb-b06d-db93b303e440_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-79cb-b06d-db93b303e440" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-79cb-b06d-db93b303e440_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-77f0-9ef3-1f8fa8d8e323" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-79cb-b06d-db93b303e440" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-77f0-9ef3-1f8fa8d8e323" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019e847f-5357-7aa6-8fc2-f43730bbdb59" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-77f0-9ef3-1f8fa8d8e323" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019e847f-5357-7aa6-8fc2-f43730bbdb59" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionTypeAxis_019e847f-5357-7cbe-a689-ac9bca21a595" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7c5b-b505-581686f9a59e" xlink:to="loc_mo_EBPEmployerContributionTypeAxis_019e847f-5357-7cbe-a689-ac9bca21a595" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionTypeDomain_019e847f-5357-7cbe-a689-ac9bca21a595_default" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPEmployerContributionTypeAxis_019e847f-5357-7cbe-a689-ac9bca21a595" xlink:to="loc_mo_EBPEmployerContributionTypeDomain_019e847f-5357-7cbe-a689-ac9bca21a595_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionTypeDomain_019e847f-5357-7137-95cd-bfd85d983333" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPEmployerContributionTypeAxis_019e847f-5357-7cbe-a689-ac9bca21a595" xlink:to="loc_mo_EBPEmployerContributionTypeDomain_019e847f-5357-7137-95cd-bfd85d983333" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPSupplementalCompanyContributionMember_019e847f-5357-77af-b53f-7a3b16f0ebc2" xlink:href="mo-20260605.xsd#mo_EBPSupplementalCompanyContributionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPEmployerContributionTypeDomain_019e847f-5357-7137-95cd-bfd85d983333" xlink:to="loc_mo_EBPSupplementalCompanyContributionMember_019e847f-5357-77af-b53f-7a3b16f0ebc2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionParticipantTypeAxis_019e847f-5357-79f9-a7e2-be89efda3399" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionParticipantTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7c5b-b505-581686f9a59e" xlink:to="loc_mo_EBPEmployerContributionParticipantTypeAxis_019e847f-5357-79f9-a7e2-be89efda3399" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionParticipantTypeDomain_019e847f-5357-79f9-a7e2-be89efda3399_default" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionParticipantTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPEmployerContributionParticipantTypeAxis_019e847f-5357-79f9-a7e2-be89efda3399" xlink:to="loc_mo_EBPEmployerContributionParticipantTypeDomain_019e847f-5357-79f9-a7e2-be89efda3399_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionParticipantTypeDomain_019e847f-5357-7847-89b4-7aad668ac161" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionParticipantTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPEmployerContributionParticipantTypeAxis_019e847f-5357-79f9-a7e2-be89efda3399" xlink:to="loc_mo_EBPEmployerContributionParticipantTypeDomain_019e847f-5357-7847-89b4-7aad668ac161" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPRichmondHourlyParticipantsWhoDoNotParticipateInCompanySponsoredPensionPlanMember_019e847f-5357-7500-98e2-cdeabbcd9dd6" xlink:href="mo-20260605.xsd#mo_EBPRichmondHourlyParticipantsWhoDoNotParticipateInCompanySponsoredPensionPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPEmployerContributionParticipantTypeDomain_019e847f-5357-7847-89b4-7aad668ac161" xlink:to="loc_mo_EBPRichmondHourlyParticipantsWhoDoNotParticipateInCompanySponsoredPensionPlanMember_019e847f-5357-7500-98e2-cdeabbcd9dd6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPRichmondHourlyParticipantsWhoParticipateInCompanySponsoredPensionPlanMember_019e847f-5357-7777-967b-b2b973270e0c" xlink:href="mo-20260605.xsd#mo_EBPRichmondHourlyParticipantsWhoParticipateInCompanySponsoredPensionPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPEmployerContributionParticipantTypeDomain_019e847f-5357-7847-89b4-7aad668ac161" xlink:to="loc_mo_EBPRichmondHourlyParticipantsWhoParticipateInCompanySponsoredPensionPlanMember_019e847f-5357-7777-967b-b2b973270e0c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPUSTParticipantsMember_019e847f-5357-7e42-8fcf-c729eba01e93" xlink:href="mo-20260605.xsd#mo_EBPUSTParticipantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPEmployerContributionParticipantTypeDomain_019e847f-5357-7847-89b4-7aad668ac161" xlink:to="loc_mo_EBPUSTParticipantsMember_019e847f-5357-7e42-8fcf-c729eba01e93" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMiddletonParticipantsMember_019e847f-5357-7a3b-a61e-c81889d15fea" xlink:href="mo-20260605.xsd#mo_EBPMiddletonParticipantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPEmployerContributionParticipantTypeDomain_019e847f-5357-7847-89b4-7aad668ac161" xlink:to="loc_mo_EBPMiddletonParticipantsMember_019e847f-5357-7a3b-a61e-c81889d15fea" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate_019e847f-5357-7302-8fd7-47ac267b0404" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate_019e847f-5357-7302-8fd7-47ac267b0404" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPRequisiteServicePeriod_019e847f-5357-797c-a54b-8edf091f4815" xlink:href="mo-20260605.xsd#mo_EBPRequisiteServicePeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_mo_EBPRequisiteServicePeriod_019e847f-5357-797c-a54b-8edf091f4815" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPParticipantContributionAutomaticAnnualIncreaseDeferralRate_019e847f-5357-7f3b-9e13-d37dcbb8650f" xlink:href="mo-20260605.xsd#mo_EBPParticipantContributionAutomaticAnnualIncreaseDeferralRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_mo_EBPParticipantContributionAutomaticAnnualIncreaseDeferralRate_019e847f-5357-7f3b-9e13-d37dcbb8650f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPParticipantContributionAfterTaxMaximumAnnualContributionToEligibleCompensationPercentage_019e847f-5357-71de-83f4-a34ee87edf73" xlink:href="mo-20260605.xsd#mo_EBPParticipantContributionAfterTaxMaximumAnnualContributionToEligibleCompensationPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_mo_EBPParticipantContributionAfterTaxMaximumAnnualContributionToEligibleCompensationPercentage_019e847f-5357-71de-83f4-a34ee87edf73" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionPercentage_019e847f-5357-7d5c-9b31-a5d6dc083bed" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_mo_EBPEmployerContributionPercentage_019e847f-5357-7d5c-9b31-a5d6dc083bed" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionMaximumContributionToTotalEarningsPercentage_019e847f-5357-7f8d-a8dc-1aa7ea3ea911" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionMaximumContributionToTotalEarningsPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_mo_EBPEmployerContributionMaximumContributionToTotalEarningsPercentage_019e847f-5357-7f8d-a8dc-1aa7ea3ea911" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage_019e847f-5357-707d-8eb5-e247b325eaef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage_019e847f-5357-707d-8eb5-e247b325eaef" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPRetirementAge_019e847f-5357-7db7-a8dd-8ede83e8a511" xlink:href="mo-20260605.xsd#mo_EBPRetirementAge"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_mo_EBPRetirementAge_019e847f-5357-7db7-a8dd-8ede83e8a511" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPRetirementRequisiteServicePeriod_019e847f-5357-7aa7-8ee7-0069d2b3e305" xlink:href="mo-20260605.xsd#mo_EBPRetirementRequisiteServicePeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_mo_EBPRetirementRequisiteServicePeriod_019e847f-5357-7aa7-8ee7-0069d2b3e305" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionVestingServicePeriod_019e847f-5357-7847-909d-e745e6758cd7" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionVestingServicePeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_mo_EBPEmployerContributionVestingServicePeriod_019e847f-5357-7847-909d-e745e6758cd7" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionMaximumVestingAge_019e847f-5357-7400-a7a4-a4abdd51aea8" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionMaximumVestingAge"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_mo_EBPEmployerContributionMaximumVestingAge_019e847f-5357-7400-a7a4-a4abdd51aea8" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPESOPDividendsPaid_019e847f-5357-77f3-8c91-b87d7fb8150c" xlink:href="mo-20260605.xsd#mo_EBPESOPDividendsPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_mo_EBPESOPDividendsPaid_019e847f-5357-77f3-8c91-b87d7fb8150c" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPDividendsPayable_019e847f-5357-7365-9caa-e2ffb25eb64f" xlink:href="mo-20260605.xsd#mo_EBPDividendsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_mo_EBPDividendsPayable_019e847f-5357-7365-9caa-e2ffb25eb64f" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount_019e847f-5357-732e-a95f-7cb8b074d638" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount_019e847f-5357-732e-a95f-7cb8b074d638" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage_019e847f-5357-7228-a785-518773e815a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage_019e847f-5357-7228-a785-518773e815a5" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount_019e847f-5357-7f60-8f6a-9359c99b1eec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount_019e847f-5357-7f60-8f6a-9359c99b1eec" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPNoteReceivableFromParticipantAccountBalanceLookBackPeriod_019e847f-5357-7f70-9154-f77b35bb8d6a" xlink:href="mo-20260605.xsd#mo_EBPNoteReceivableFromParticipantAccountBalanceLookBackPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_mo_EBPNoteReceivableFromParticipantAccountBalanceLookBackPeriod_019e847f-5357-7f70-9154-f77b35bb8d6a" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPNoteReceivableFromParticipantMaximumBorrowingTerm_019e847f-5357-78b5-a52a-fbc301ece00c" xlink:href="mo-20260605.xsd#mo_EBPNoteReceivableFromParticipantMaximumBorrowingTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7e14-a459-4d67df91dba6" xlink:to="loc_mo_EBPNoteReceivableFromParticipantMaximumBorrowingTerm_019e847f-5357-78b5-a52a-fbc301ece00c" xlink:type="arc" order="17"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/DescriptionofthePlanCompanyContributionDetails" xlink:type="simple" xlink:href="mo-20260605.xsd#DescriptionofthePlanCompanyContributionDetails"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/DescriptionofthePlanCompanyContributionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7561-a2fe-a80c25cc7e24" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7ef5-925f-230660fc6970" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7561-a2fe-a80c25cc7e24" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7ef5-925f-230660fc6970" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7815-8c70-92d56da377cb" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7ef5-925f-230660fc6970" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7815-8c70-92d56da377cb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7815-8c70-92d56da377cb_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7815-8c70-92d56da377cb" xlink:to="loc_dei_EntityDomain_019e847f-5357-7815-8c70-92d56da377cb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7f23-93ef-7a5ec14f73b5" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7815-8c70-92d56da377cb" xlink:to="loc_dei_EntityDomain_019e847f-5357-7f23-93ef-7a5ec14f73b5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7c25-931b-5a0f835ecf99" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-7f23-93ef-7a5ec14f73b5" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7c25-931b-5a0f835ecf99" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionTypeAxis_019e847f-5357-7eab-91f2-347872fdf814" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable_019e847f-5357-7ef5-925f-230660fc6970" xlink:to="loc_mo_EBPEmployerContributionTypeAxis_019e847f-5357-7eab-91f2-347872fdf814" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionTypeDomain_019e847f-5357-7eab-91f2-347872fdf814_default" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPEmployerContributionTypeAxis_019e847f-5357-7eab-91f2-347872fdf814" xlink:to="loc_mo_EBPEmployerContributionTypeDomain_019e847f-5357-7eab-91f2-347872fdf814_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionTypeDomain_019e847f-5357-7e4b-8159-344c63a37ad4" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPEmployerContributionTypeAxis_019e847f-5357-7eab-91f2-347872fdf814" xlink:to="loc_mo_EBPEmployerContributionTypeDomain_019e847f-5357-7e4b-8159-344c63a37ad4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPCompanyContributionActualAdjustedDilutedEPSGrowthRateUnderTargetRangeMember_019e847f-5357-75db-8533-dd4ca1fdb907" xlink:href="mo-20260605.xsd#mo_EBPCompanyContributionActualAdjustedDilutedEPSGrowthRateUnderTargetRangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPEmployerContributionTypeDomain_019e847f-5357-7e4b-8159-344c63a37ad4" xlink:to="loc_mo_EBPCompanyContributionActualAdjustedDilutedEPSGrowthRateUnderTargetRangeMember_019e847f-5357-75db-8533-dd4ca1fdb907" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPCompanyContributionActualAdjustedDilutedEPSGrowthRateWithinTargetRangeMember_019e847f-5357-725b-bf93-56971911e3f4" xlink:href="mo-20260605.xsd#mo_EBPCompanyContributionActualAdjustedDilutedEPSGrowthRateWithinTargetRangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPEmployerContributionTypeDomain_019e847f-5357-7e4b-8159-344c63a37ad4" xlink:to="loc_mo_EBPCompanyContributionActualAdjustedDilutedEPSGrowthRateWithinTargetRangeMember_019e847f-5357-725b-bf93-56971911e3f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPCompanyContributionActualAdjustedDilutedEPSGrowthRateAboveTargetRangeMember_019e847f-5357-7b3c-8d75-d927e69d1b36" xlink:href="mo-20260605.xsd#mo_EBPCompanyContributionActualAdjustedDilutedEPSGrowthRateAboveTargetRangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPEmployerContributionTypeDomain_019e847f-5357-7e4b-8159-344c63a37ad4" xlink:to="loc_mo_EBPCompanyContributionActualAdjustedDilutedEPSGrowthRateAboveTargetRangeMember_019e847f-5357-7b3c-8d75-d927e69d1b36" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPEmployerContributionPercentage_019e847f-5357-7e73-9d10-ca7536ec4855" xlink:href="mo-20260605.xsd#mo_EBPEmployerContributionPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems_019e847f-5357-7561-a2fe-a80c25cc7e24" xlink:to="loc_mo_EBPEmployerContributionPercentage_019e847f-5357-7e73-9d10-ca7536ec4855" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/MasterTrustInvestmentsScheduleofMasterTrustNetAssetsDetails" xlink:type="simple" xlink:href="mo-20260605.xsd#MasterTrustInvestmentsScheduleofMasterTrustNetAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/MasterTrustInvestmentsScheduleofMasterTrustNetAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-787d-b611-e5f39604b02b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e75-b375-7af2d1d3960c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-787d-b611-e5f39604b02b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e75-b375-7af2d1d3960c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7dc2-b050-63d2941fb0e1" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e75-b375-7af2d1d3960c" xlink:to="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7dc2-b050-63d2941fb0e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7dc2-b050-63d2941fb0e1_default" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7dc2-b050-63d2941fb0e1" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7dc2-b050-63d2941fb0e1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-791f-9d41-f4665d022359" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7dc2-b050-63d2941fb0e1" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-791f-9d41-f4665d022359" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustMember_019e847f-5357-7d62-8ee7-4800546e58ea" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-791f-9d41-f4665d022359" xlink:to="loc_mo_EBPMasterTrustMember_019e847f-5357-7d62-8ee7-4800546e58ea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustBMember_019e847f-5357-7c89-a038-16620ce88cb8" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-791f-9d41-f4665d022359" xlink:to="loc_mo_EBPMasterTrustBMember_019e847f-5357-7c89-a038-16620ce88cb8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7dc5-8182-245befb4d237" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e75-b375-7af2d1d3960c" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7dc5-8182-245befb4d237" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7dc5-8182-245befb4d237_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7dc5-8182-245befb4d237" xlink:to="loc_dei_EntityDomain_019e847f-5357-7dc5-8182-245befb4d237_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7725-a2a7-1f288f4957fe" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7dc5-8182-245befb4d237" xlink:to="loc_dei_EntityDomain_019e847f-5357-7725-a2a7-1f288f4957fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-787f-80dd-9f3e9e3e11ed" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-7725-a2a7-1f288f4957fe" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-787f-80dd-9f3e9e3e11ed" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-780a-853e-26761cf3c832" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e75-b375-7af2d1d3960c" xlink:to="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-780a-853e-26761cf3c832" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-780a-853e-26761cf3c832_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-780a-853e-26761cf3c832" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-780a-853e-26761cf3c832_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7abd-bd44-d900a386cac0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-780a-853e-26761cf3c832" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7abd-bd44-d900a386cac0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019e847f-5357-7582-a248-832629c1b6a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7abd-bd44-d900a386cac0" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019e847f-5357-7582-a248-832629c1b6a6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsMember_019e847f-5357-7703-a7ca-cdd021392df3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7abd-bd44-d900a386cac0" xlink:to="loc_us-gaap_CashAndCashEquivalentsMember_019e847f-5357-7703-a7ca-cdd021392df3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_019e847f-5357-7f94-b373-8fd23f03a53d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7abd-bd44-d900a386cac0" xlink:to="loc_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_019e847f-5357-7f94-b373-8fd23f03a53d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MutualFundMember_019e847f-5357-798b-ad89-c5e77a0ed18e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MutualFundMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7abd-bd44-d900a386cac0" xlink:to="loc_us-gaap_MutualFundMember_019e847f-5357-798b-ad89-c5e77a0ed18e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AgencySecuritiesMember_019e847f-5357-72d6-8f9f-4160b1d24d18" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AgencySecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7abd-bd44-d900a386cac0" xlink:to="loc_us-gaap_AgencySecuritiesMember_019e847f-5357-72d6-8f9f-4160b1d24d18" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EbpOtherInvestmentMember_019e847f-5357-742e-a92d-09665ce8139e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EbpOtherInvestmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7abd-bd44-d900a386cac0" xlink:to="loc_us-gaap-ebp_EbpOtherInvestmentMember_019e847f-5357-742e-a92d-09665ce8139e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-7df4-a5e5-4c36cf6b929f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e75-b375-7af2d1d3960c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-7df4-a5e5-4c36cf6b929f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-7df4-a5e5-4c36cf6b929f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-7df4-a5e5-4c36cf6b929f" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-7df4-a5e5-4c36cf6b929f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-71c9-963d-7d175b16e045" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-7df4-a5e5-4c36cf6b929f" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-71c9-963d-7d175b16e045" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-71cb-848f-e9e91daa2e7b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-71c9-963d-7d175b16e045" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-71cb-848f-e9e91daa2e7b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember_019e847f-5357-70d2-8d88-8ff0c9e6b3a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-71c9-963d-7d175b16e045" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember_019e847f-5357-70d2-8d88-8ff0c9e6b3a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue_019e847f-5357-73b6-9900-5b4f87fca5d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-787d-b611-e5f39604b02b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue_019e847f-5357-73b6-9900-5b4f87fca5d1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentContractValue_019e847f-5357-778f-a85d-cd3108bbf202" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentContractValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-787d-b611-e5f39604b02b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentContractValue_019e847f-5357-778f-a85d-cd3108bbf202" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairAndContractValue_019e847f-5357-704f-9da6-a484c1abfa61" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairAndContractValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-787d-b611-e5f39604b02b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairAndContractValue_019e847f-5357-704f-9da6-a484c1abfa61" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentIncomeReceivable_019e847f-5357-70bc-81ec-c4f3ede67aa8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentIncomeReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-787d-b611-e5f39604b02b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentIncomeReceivable_019e847f-5357-70bc-81ec-c4f3ede67aa8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanOtherReceivable_019e847f-5357-7cc8-bfb3-afa24c1ec615" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanOtherReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-787d-b611-e5f39604b02b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanOtherReceivable_019e847f-5357-7cc8-bfb3-afa24c1ec615" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccruedExpense_019e847f-5357-79e4-b819-b989e7f5f0e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccruedExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-787d-b611-e5f39604b02b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAccruedExpense_019e847f-5357-79e4-b819-b989e7f5f0e2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019e847f-5357-7ecd-ad0c-a2a1eb9bde92" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-787d-b611-e5f39604b02b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019e847f-5357-7ecd-ad0c-a2a1eb9bde92" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/MasterTrustInvestmentsScheduleofPlansInterestinInvestmentIncomeDetails" xlink:type="simple" xlink:href="mo-20260605.xsd#MasterTrustInvestmentsScheduleofPlansInterestinInvestmentIncomeDetails"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/MasterTrustInvestmentsScheduleofPlansInterestinInvestmentIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-76e6-960e-08d863cb574f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7278-bfff-b983dc8b2850" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-76e6-960e-08d863cb574f" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7278-bfff-b983dc8b2850" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7e13-a8b5-5db8f81d1253" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7278-bfff-b983dc8b2850" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7e13-a8b5-5db8f81d1253" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7e13-a8b5-5db8f81d1253_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7e13-a8b5-5db8f81d1253" xlink:to="loc_dei_EntityDomain_019e847f-5357-7e13-a8b5-5db8f81d1253_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7f8e-b431-dda742801c2e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7e13-a8b5-5db8f81d1253" xlink:to="loc_dei_EntityDomain_019e847f-5357-7f8e-b431-dda742801c2e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7c93-b681-85d5510b059e" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-7f8e-b431-dda742801c2e" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7c93-b681-85d5510b059e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-70b1-9837-4b309a795497" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7278-bfff-b983dc8b2850" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-70b1-9837-4b309a795497" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-70b1-9837-4b309a795497_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-70b1-9837-4b309a795497" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-70b1-9837-4b309a795497_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-79cd-a8d7-95500ce41f90" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-70b1-9837-4b309a795497" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-79cd-a8d7-95500ce41f90" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-7e52-824e-df3ed77c3afd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-79cd-a8d7-95500ce41f90" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-7e52-824e-df3ed77c3afd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember_019e847f-5357-7f20-a91d-bde5672adf32" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-79cd-a8d7-95500ce41f90" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember_019e847f-5357-7f20-a91d-bde5672adf32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-72ae-9d50-395788cc3874" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7278-bfff-b983dc8b2850" xlink:to="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-72ae-9d50-395788cc3874" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-72ae-9d50-395788cc3874_default" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-72ae-9d50-395788cc3874" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-72ae-9d50-395788cc3874_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7967-b38a-730b452b74d4" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-72ae-9d50-395788cc3874" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7967-b38a-730b452b74d4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustMember_019e847f-5357-7825-8f85-f26e1b21448d" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7967-b38a-730b452b74d4" xlink:to="loc_mo_EBPMasterTrustMember_019e847f-5357-7825-8f85-f26e1b21448d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-70ec-bb4f-0f7a46a5ece7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7278-bfff-b983dc8b2850" xlink:to="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-70ec-bb4f-0f7a46a5ece7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-70ec-bb4f-0f7a46a5ece7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-70ec-bb4f-0f7a46a5ece7" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-70ec-bb4f-0f7a46a5ece7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7297-b5a9-a624a6a90639" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-70ec-bb4f-0f7a46a5ece7" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7297-b5a9-a624a6a90639" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019e847f-5357-70bc-b8b4-caf58550f101" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7297-b5a9-a624a6a90639" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019e847f-5357-70bc-b8b4-caf58550f101" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EbpOtherInvestmentMember_019e847f-5357-7097-9282-05ea01a81830" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EbpOtherInvestmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7297-b5a9-a624a6a90639" xlink:to="loc_us-gaap-ebp_EbpOtherInvestmentMember_019e847f-5357-7097-9282-05ea01a81830" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForDividendIncomeOnInvestment_019e847f-5357-750d-9153-99131587ae71" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForDividendIncomeOnInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-76e6-960e-08d863cb574f" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForDividendIncomeOnInvestment_019e847f-5357-750d-9153-99131587ae71" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_019e847f-5357-76ab-bd1a-32baaf25f7c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-76e6-960e-08d863cb574f" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_019e847f-5357-76ab-bd1a-32baaf25f7c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment_019e847f-5357-7106-8302-3ed349d5c794" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-76e6-960e-08d863cb574f" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment_019e847f-5357-7106-8302-3ed349d5c794" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_019e847f-5357-7537-90a2-e6e6e795e1b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-76e6-960e-08d863cb574f" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_019e847f-5357-7537-90a2-e6e6e795e1b9" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/MasterTrustAInvestmentsScheduleofMasterTrustNetAssetsDetails" xlink:type="simple" xlink:href="mo-20260605.xsd#MasterTrustAInvestmentsScheduleofMasterTrustNetAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/MasterTrustAInvestmentsScheduleofMasterTrustNetAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7619-a449-6db8ad76abb6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7bb2-8ae8-b36efcf9c90f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7619-a449-6db8ad76abb6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7bb2-8ae8-b36efcf9c90f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-75e7-9638-13f9d0b8eed0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7bb2-8ae8-b36efcf9c90f" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-75e7-9638-13f9d0b8eed0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-75e7-9638-13f9d0b8eed0_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-75e7-9638-13f9d0b8eed0" xlink:to="loc_dei_EntityDomain_019e847f-5357-75e7-9638-13f9d0b8eed0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7996-9c64-609a052c341a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-75e7-9638-13f9d0b8eed0" xlink:to="loc_dei_EntityDomain_019e847f-5357-7996-9c64-609a052c341a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7a28-b0fa-703b28691386" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-7996-9c64-609a052c341a" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7a28-b0fa-703b28691386" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-799c-88bd-6a46da000724" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7bb2-8ae8-b36efcf9c90f" xlink:to="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-799c-88bd-6a46da000724" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-799c-88bd-6a46da000724_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-799c-88bd-6a46da000724" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-799c-88bd-6a46da000724_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-760a-898b-dd5f9c4b33df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-799c-88bd-6a46da000724" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-760a-898b-dd5f9c4b33df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_019e847f-5357-73a2-8807-5fa7d0870a14" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-760a-898b-dd5f9c4b33df" xlink:to="loc_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_019e847f-5357-73a2-8807-5fa7d0870a14" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MutualFundMember_019e847f-5357-763e-9406-779073f1597d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MutualFundMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-760a-898b-dd5f9c4b33df" xlink:to="loc_us-gaap_MutualFundMember_019e847f-5357-763e-9406-779073f1597d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AgencySecuritiesMember_019e847f-5357-75ee-a096-82b0340b5070" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AgencySecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-760a-898b-dd5f9c4b33df" xlink:to="loc_us-gaap_AgencySecuritiesMember_019e847f-5357-75ee-a096-82b0340b5070" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EbpOtherInvestmentMember_019e847f-5357-75bb-832e-c927e84f8366" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EbpOtherInvestmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-760a-898b-dd5f9c4b33df" xlink:to="loc_us-gaap-ebp_EbpOtherInvestmentMember_019e847f-5357-75bb-832e-c927e84f8366" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-779f-9e82-a628e020ac79" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7bb2-8ae8-b36efcf9c90f" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-779f-9e82-a628e020ac79" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-779f-9e82-a628e020ac79_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-779f-9e82-a628e020ac79" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-779f-9e82-a628e020ac79_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-787d-b094-b315e7173347" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-779f-9e82-a628e020ac79" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-787d-b094-b315e7173347" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-7240-a6a4-95409b59a456" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-787d-b094-b315e7173347" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-7240-a6a4-95409b59a456" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember_019e847f-5357-7d54-ba41-bec61d65fdb1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-787d-b094-b315e7173347" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember_019e847f-5357-7d54-ba41-bec61d65fdb1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7308-97ef-011f62110b0a" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7bb2-8ae8-b36efcf9c90f" xlink:to="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7308-97ef-011f62110b0a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7308-97ef-011f62110b0a_default" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7308-97ef-011f62110b0a" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7308-97ef-011f62110b0a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7f4d-aa65-a4211e1c25c1" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7308-97ef-011f62110b0a" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7f4d-aa65-a4211e1c25c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustAMember_019e847f-5357-7d4c-b47c-129a4b9ca263" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7f4d-aa65-a4211e1c25c1" xlink:to="loc_mo_EBPMasterTrustAMember_019e847f-5357-7d4c-b47c-129a4b9ca263" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue_019e847f-5357-7602-a672-49dc7e0b1d4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7619-a449-6db8ad76abb6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue_019e847f-5357-7602-a672-49dc7e0b1d4c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentContractValue_019e847f-5357-79f0-9b39-d5d935293bc1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentContractValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7619-a449-6db8ad76abb6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentContractValue_019e847f-5357-79f0-9b39-d5d935293bc1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairAndContractValue_019e847f-5357-7e2a-8e85-104b31045576" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairAndContractValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7619-a449-6db8ad76abb6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairAndContractValue_019e847f-5357-7e2a-8e85-104b31045576" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentIncomeReceivable_019e847f-5357-760b-ba16-bf7a9e7ff483" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentIncomeReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7619-a449-6db8ad76abb6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentIncomeReceivable_019e847f-5357-760b-ba16-bf7a9e7ff483" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAccruedExpense_019e847f-5357-7299-9ec6-3f555a319976" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAccruedExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7619-a449-6db8ad76abb6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAccruedExpense_019e847f-5357-7299-9ec6-3f555a319976" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019e847f-5357-7337-8911-8fd6923f7619" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7619-a449-6db8ad76abb6" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019e847f-5357-7337-8911-8fd6923f7619" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/MasterTrustAInvestmentsScheduleofPlansInterestinInvestmentIncomeDetails" xlink:type="simple" xlink:href="mo-20260605.xsd#MasterTrustAInvestmentsScheduleofPlansInterestinInvestmentIncomeDetails"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/MasterTrustAInvestmentsScheduleofPlansInterestinInvestmentIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7116-ab7e-1d862fd55d9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7503-8635-98dedb59253d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7116-ab7e-1d862fd55d9e" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7503-8635-98dedb59253d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-75de-af65-ec9ff7e33fd7" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7503-8635-98dedb59253d" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-75de-af65-ec9ff7e33fd7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-75de-af65-ec9ff7e33fd7_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-75de-af65-ec9ff7e33fd7" xlink:to="loc_dei_EntityDomain_019e847f-5357-75de-af65-ec9ff7e33fd7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-70d4-a81d-af572e16161c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-75de-af65-ec9ff7e33fd7" xlink:to="loc_dei_EntityDomain_019e847f-5357-70d4-a81d-af572e16161c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7164-b1dc-b2a2b88f4016" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-70d4-a81d-af572e16161c" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7164-b1dc-b2a2b88f4016" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-795a-aba0-a42b23bac7ae" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7503-8635-98dedb59253d" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-795a-aba0-a42b23bac7ae" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-795a-aba0-a42b23bac7ae_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-795a-aba0-a42b23bac7ae" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-795a-aba0-a42b23bac7ae_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-785a-ad87-d30625f5cf2b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-795a-aba0-a42b23bac7ae" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-785a-ad87-d30625f5cf2b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-7a40-be00-cb34eab42fdf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-785a-ad87-d30625f5cf2b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-7a40-be00-cb34eab42fdf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember_019e847f-5357-7f37-bd0c-0b2b253ebd82" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-785a-ad87-d30625f5cf2b" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember_019e847f-5357-7f37-bd0c-0b2b253ebd82" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7411-8174-9fa50861c48a" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7503-8635-98dedb59253d" xlink:to="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7411-8174-9fa50861c48a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7411-8174-9fa50861c48a_default" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7411-8174-9fa50861c48a" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7411-8174-9fa50861c48a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7f57-a0ca-611d125fa47d" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7411-8174-9fa50861c48a" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7f57-a0ca-611d125fa47d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustAMember_019e847f-5357-7981-b1d5-c1bb765430b7" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7f57-a0ca-611d125fa47d" xlink:to="loc_mo_EBPMasterTrustAMember_019e847f-5357-7981-b1d5-c1bb765430b7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment_019e847f-5357-7a08-86cd-22bbd72604a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7116-ab7e-1d862fd55d9e" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment_019e847f-5357-7a08-86cd-22bbd72604a6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_019e847f-5357-725e-b310-b95a3ca930b2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7116-ab7e-1d862fd55d9e" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment_019e847f-5357-725e-b310-b95a3ca930b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_019e847f-5357-7179-ab05-d49139f6e45e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7116-ab7e-1d862fd55d9e" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_019e847f-5357-7179-ab05-d49139f6e45e" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/FairValueMeasurementsFairValuesofAssetsbyAssetCategoryDetails" xlink:type="simple" xlink:href="mo-20260605.xsd#FairValueMeasurementsFairValuesofAssetsbyAssetCategoryDetails"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/FairValueMeasurementsFairValuesofAssetsbyAssetCategoryDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7e0c-b475-f5406b192889" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-78d1-8f01-03d7c43d0d12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7e0c-b475-f5406b192889" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-78d1-8f01-03d7c43d0d12" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e847f-5357-7a6b-b834-0fcbcc56c8ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-78d1-8f01-03d7c43d0d12" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e847f-5357-7a6b-b834-0fcbcc56c8ba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e847f-5357-7a6b-b834-0fcbcc56c8ba_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e847f-5357-7a6b-b834-0fcbcc56c8ba" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e847f-5357-7a6b-b834-0fcbcc56c8ba_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e847f-5357-7550-a4da-9219074b5aa4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e847f-5357-7a6b-b834-0fcbcc56c8ba" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e847f-5357-7550-a4da-9219074b5aa4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel12And3Member_019e847f-5357-7440-9db1-f49726dbc67c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel12And3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e847f-5357-7550-a4da-9219074b5aa4" xlink:to="loc_us-gaap_FairValueInputsLevel12And3Member_019e847f-5357-7440-9db1-f49726dbc67c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019e847f-5357-72f7-a366-daf7e7a1a56a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueInputsLevel12And3Member_019e847f-5357-7440-9db1-f49726dbc67c" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019e847f-5357-72f7-a366-daf7e7a1a56a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019e847f-5357-70ab-bc5d-53bc50ca89bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueInputsLevel12And3Member_019e847f-5357-7440-9db1-f49726dbc67c" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019e847f-5357-70ab-bc5d-53bc50ca89bc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_019e847f-5357-742b-b00b-d7eb0bb7b440" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e847f-5357-7550-a4da-9219074b5aa4" xlink:to="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_019e847f-5357-742b-b00b-d7eb0bb7b440" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7368-96a6-8266677c19e5" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-78d1-8f01-03d7c43d0d12" xlink:to="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7368-96a6-8266677c19e5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7368-96a6-8266677c19e5_default" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7368-96a6-8266677c19e5" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7368-96a6-8266677c19e5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7205-a532-c61fdd3224a3" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7368-96a6-8266677c19e5" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7205-a532-c61fdd3224a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustMember_019e847f-5357-7e82-9b7e-fbc471afc50b" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7205-a532-c61fdd3224a3" xlink:to="loc_mo_EBPMasterTrustMember_019e847f-5357-7e82-9b7e-fbc471afc50b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustAMember_019e847f-5357-7bdd-8120-75c9f9d1183f" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7205-a532-c61fdd3224a3" xlink:to="loc_mo_EBPMasterTrustAMember_019e847f-5357-7bdd-8120-75c9f9d1183f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustBMember_019e847f-5357-7c5d-a709-4c23401c27b9" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7205-a532-c61fdd3224a3" xlink:to="loc_mo_EBPMasterTrustBMember_019e847f-5357-7c5d-a709-4c23401c27b9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-77b7-99dc-b0337c6a8f6e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-78d1-8f01-03d7c43d0d12" xlink:to="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-77b7-99dc-b0337c6a8f6e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-77b7-99dc-b0337c6a8f6e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-77b7-99dc-b0337c6a8f6e" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-77b7-99dc-b0337c6a8f6e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7825-bb07-a77722fbf36d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-77b7-99dc-b0337c6a8f6e" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7825-bb07-a77722fbf36d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019e847f-5357-73e5-b94e-84782a0e5a03" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7825-bb07-a77722fbf36d" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019e847f-5357-73e5-b94e-84782a0e5a03" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MutualFundMember_019e847f-5357-703d-9f53-861fa7c7fba1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MutualFundMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7825-bb07-a77722fbf36d" xlink:to="loc_us-gaap_MutualFundMember_019e847f-5357-703d-9f53-861fa7c7fba1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AgencySecuritiesMember_019e847f-5357-7de2-bb6a-68d6296440fb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AgencySecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7825-bb07-a77722fbf36d" xlink:to="loc_us-gaap_AgencySecuritiesMember_019e847f-5357-7de2-bb6a-68d6296440fb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EbpOtherInvestmentMember_019e847f-5357-761d-a905-8dea37c7882c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EbpOtherInvestmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7825-bb07-a77722fbf36d" xlink:to="loc_us-gaap-ebp_EbpOtherInvestmentMember_019e847f-5357-761d-a905-8dea37c7882c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_019e847f-5357-733d-970b-29b6a4956880" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7825-bb07-a77722fbf36d" xlink:to="loc_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_019e847f-5357-733d-970b-29b6a4956880" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-742f-b173-fd53bd6fda5a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-78d1-8f01-03d7c43d0d12" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-742f-b173-fd53bd6fda5a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-742f-b173-fd53bd6fda5a_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-742f-b173-fd53bd6fda5a" xlink:to="loc_dei_EntityDomain_019e847f-5357-742f-b173-fd53bd6fda5a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7120-817c-47f6b6c9587b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-742f-b173-fd53bd6fda5a" xlink:to="loc_dei_EntityDomain_019e847f-5357-7120-817c-47f6b6c9587b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7a64-8cc3-e049cce5782b" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-7120-817c-47f6b6c9587b" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7a64-8cc3-e049cce5782b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-7f26-93a5-a35dc3a8faab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-78d1-8f01-03d7c43d0d12" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-7f26-93a5-a35dc3a8faab" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-7f26-93a5-a35dc3a8faab_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-7f26-93a5-a35dc3a8faab" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-7f26-93a5-a35dc3a8faab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-78fc-b21b-d916c67e85fe" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-7f26-93a5-a35dc3a8faab" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-78fc-b21b-d916c67e85fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-7337-a68a-f2ed93bb9af3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-78fc-b21b-d916c67e85fe" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-7337-a68a-f2ed93bb9af3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue_019e847f-5357-791b-88e3-4b553c52525f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7e0c-b475-f5406b192889" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue_019e847f-5357-791b-88e3-4b553c52525f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/FairValueMeasurementsDetails" xlink:type="simple" xlink:href="mo-20260605.xsd#FairValueMeasurementsDetails"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-71f4-8128-205bdd1333cd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-79dd-a201-064230508deb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-71f4-8128-205bdd1333cd" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-79dd-a201-064230508deb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7a94-bd18-ff60a1e3680f" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-79dd-a201-064230508deb" xlink:to="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7a94-bd18-ff60a1e3680f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7a94-bd18-ff60a1e3680f_default" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7a94-bd18-ff60a1e3680f" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7a94-bd18-ff60a1e3680f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7777-bb57-f7cf7fbc55cb" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7a94-bd18-ff60a1e3680f" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7777-bb57-f7cf7fbc55cb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustMember_019e847f-5357-72ac-aeb3-882ea6797d10" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7777-bb57-f7cf7fbc55cb" xlink:to="loc_mo_EBPMasterTrustMember_019e847f-5357-72ac-aeb3-882ea6797d10" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustAMember_019e847f-5357-7846-b405-0b8a4d6bd7f1" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7777-bb57-f7cf7fbc55cb" xlink:to="loc_mo_EBPMasterTrustAMember_019e847f-5357-7846-b405-0b8a4d6bd7f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e847f-5357-71e7-bffa-6b38995b229c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-79dd-a201-064230508deb" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e847f-5357-71e7-bffa-6b38995b229c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e847f-5357-71e7-bffa-6b38995b229c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e847f-5357-71e7-bffa-6b38995b229c" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e847f-5357-71e7-bffa-6b38995b229c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e847f-5357-7234-9ed4-d8781cd72c77" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019e847f-5357-71e7-bffa-6b38995b229c" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e847f-5357-7234-9ed4-d8781cd72c77" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_019e847f-5357-7950-9cbe-177955a0a7d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019e847f-5357-7234-9ed4-d8781cd72c77" xlink:to="loc_us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember_019e847f-5357-7950-9cbe-177955a0a7d7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-792d-9208-84116c150156" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-79dd-a201-064230508deb" xlink:to="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-792d-9208-84116c150156" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-792d-9208-84116c150156_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-792d-9208-84116c150156" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-792d-9208-84116c150156_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7b24-9761-c42553fac893" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-792d-9208-84116c150156" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7b24-9761-c42553fac893" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_CommonCollectiveTrustU.S.EquityIndexMember_019e847f-5357-7da6-bbfc-8199bc5774f8" xlink:href="mo-20260605.xsd#mo_CommonCollectiveTrustU.S.EquityIndexMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7b24-9761-c42553fac893" xlink:to="loc_mo_CommonCollectiveTrustU.S.EquityIndexMember_019e847f-5357-7da6-bbfc-8199bc5774f8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_CommonCollectiveTrustInternationalEquityIndexMember_019e847f-5357-74d2-8429-5cec4846ffd3" xlink:href="mo-20260605.xsd#mo_CommonCollectiveTrustInternationalEquityIndexMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7b24-9761-c42553fac893" xlink:to="loc_mo_CommonCollectiveTrustInternationalEquityIndexMember_019e847f-5357-74d2-8429-5cec4846ffd3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_CommonCollectiveTrustU.S.FixedIncomeMember_019e847f-5357-7f8f-9f44-8877b09684c3" xlink:href="mo-20260605.xsd#mo_CommonCollectiveTrustU.S.FixedIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7b24-9761-c42553fac893" xlink:to="loc_mo_CommonCollectiveTrustU.S.FixedIncomeMember_019e847f-5357-7f8f-9f44-8877b09684c3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7c93-b75b-997cd1e7fd5a" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-79dd-a201-064230508deb" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7c93-b75b-997cd1e7fd5a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7c93-b75b-997cd1e7fd5a_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7c93-b75b-997cd1e7fd5a" xlink:to="loc_dei_EntityDomain_019e847f-5357-7c93-b75b-997cd1e7fd5a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-75f5-b3b0-29ac814067ab" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7c93-b75b-997cd1e7fd5a" xlink:to="loc_dei_EntityDomain_019e847f-5357-75f5-b3b0-29ac814067ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7d79-b261-9f848b57f032" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-75f5-b3b0-29ac814067ab" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7d79-b261-9f848b57f032" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-72e8-830b-7530d587f766" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-79dd-a201-064230508deb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-72e8-830b-7530d587f766" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-72e8-830b-7530d587f766_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-72e8-830b-7530d587f766" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-72e8-830b-7530d587f766_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-7596-aad8-069c7333e7a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-72e8-830b-7530d587f766" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-7596-aad8-069c7333e7a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-7ad0-835a-3bf290394c9f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-7596-aad8-069c7333e7a5" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-7ad0-835a-3bf290394c9f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue_019e847f-5357-759e-b03a-0185bff41457" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-71f4-8128-205bdd1333cd" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue_019e847f-5357-759e-b03a-0185bff41457" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/RelatedPartyandPartyInInterestTransactionsDetails" xlink:type="simple" xlink:href="mo-20260605.xsd#RelatedPartyandPartyInInterestTransactionsDetails"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/RelatedPartyandPartyInInterestTransactionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019e847f-5357-77df-8714-acc494c06685" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019e847f-5357-7793-8537-6530babf4543" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019e847f-5357-77df-8714-acc494c06685" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019e847f-5357-7793-8537-6530babf4543" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-7a9f-b552-b2375155ba17" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019e847f-5357-7793-8537-6530babf4543" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-7a9f-b552-b2375155ba17" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-7a9f-b552-b2375155ba17_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7a9f-b552-b2375155ba17" xlink:to="loc_dei_EntityDomain_019e847f-5357-7a9f-b552-b2375155ba17_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-73ed-8586-63b50bfdf450" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-7a9f-b552-b2375155ba17" xlink:to="loc_dei_EntityDomain_019e847f-5357-73ed-8586-63b50bfdf450" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-74ba-afe8-8ed0dc3b976c" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-73ed-8586-63b50bfdf450" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-74ba-afe8-8ed0dc3b976c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7721-a905-22423d8327b5" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019e847f-5357-7793-8537-6530babf4543" xlink:to="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7721-a905-22423d8327b5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7721-a905-22423d8327b5_default" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7721-a905-22423d8327b5" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7721-a905-22423d8327b5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-74ea-a2c4-bb1b3dedf658" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-7721-a905-22423d8327b5" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-74ea-a2c4-bb1b3dedf658" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustMember_019e847f-5357-78b5-9d23-478fbd53fa1c" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-74ea-a2c4-bb1b3dedf658" xlink:to="loc_mo_EBPMasterTrustMember_019e847f-5357-78b5-9d23-478fbd53fa1c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-7118-8cb1-09df028c424c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable_019e847f-5357-7793-8537-6530babf4543" xlink:to="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-7118-8cb1-09df028c424c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7118-8cb1-09df028c424c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-7118-8cb1-09df028c424c" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7118-8cb1-09df028c424c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7890-befb-2f51d159084d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-7118-8cb1-09df028c424c" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7890-befb-2f51d159084d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019e847f-5357-718a-b463-51e79e9f3e52" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7890-befb-2f51d159084d" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019e847f-5357-718a-b463-51e79e9f3e52" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentAcquiredPlanInterestInMasterTrustPurchasePrice_019e847f-5357-7bad-8855-458a70fdf2a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentAcquiredPlanInterestInMasterTrustPurchasePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019e847f-5357-77df-8714-acc494c06685" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentAcquiredPlanInterestInMasterTrustPurchasePrice_019e847f-5357-7bad-8855-458a70fdf2a8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentSoldPlanInterestInMasterTrustSellingPrice_019e847f-5357-7a1c-ac2e-06c72b249114" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentSoldPlanInterestInMasterTrustSellingPrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems_019e847f-5357-77df-8714-acc494c06685" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentSoldPlanInterestInMasterTrustSellingPrice_019e847f-5357-7a1c-ac2e-06c72b249114" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/RelatedPartyandPartyInInterestTransactions2Details" xlink:type="simple" xlink:href="mo-20260605.xsd#RelatedPartyandPartyInInterestTransactions2Details"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/RelatedPartyandPartyInInterestTransactions2Details" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7735-8118-1c8afae1c413" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e8b-8e24-77ef246955f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7735-8118-1c8afae1c413" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e8b-8e24-77ef246955f8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-79dd-90f7-b20e9a97b294" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e8b-8e24-77ef246955f8" xlink:to="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-79dd-90f7-b20e9a97b294" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-79dd-90f7-b20e9a97b294_default" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-79dd-90f7-b20e9a97b294" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-79dd-90f7-b20e9a97b294_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7300-88c7-71b992f515de" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5357-79dd-90f7-b20e9a97b294" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7300-88c7-71b992f515de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustMember_019e847f-5357-72d0-801f-1a55edf3f004" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5357-7300-88c7-71b992f515de" xlink:to="loc_mo_EBPMasterTrustMember_019e847f-5357-72d0-801f-1a55edf3f004" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-791f-ab43-3ec8810b939d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e8b-8e24-77ef246955f8" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-791f-ab43-3ec8810b939d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-791f-ab43-3ec8810b939d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-791f-ab43-3ec8810b939d" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-791f-ab43-3ec8810b939d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-7ae5-87f7-b51ffa1e3376" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis_019e847f-5357-791f-ab43-3ec8810b939d" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-7ae5-87f7-b51ffa1e3376" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-7a26-a8f6-c87ecf5b85eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain_019e847f-5357-7ae5-87f7-b51ffa1e3376" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember_019e847f-5357-7a26-a8f6-c87ecf5b85eb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-7b59-bed6-58f00f00054b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e8b-8e24-77ef246955f8" xlink:to="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-7b59-bed6-58f00f00054b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7b59-bed6-58f00f00054b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-7b59-bed6-58f00f00054b" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-7b59-bed6-58f00f00054b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-746f-a0ba-cdc3baa3b72c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_019e847f-5357-7b59-bed6-58f00f00054b" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-746f-a0ba-cdc3baa3b72c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019e847f-5357-7980-a99e-8bcd48f8ea05" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-746f-a0ba-cdc3baa3b72c" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember_019e847f-5357-7980-a99e-8bcd48f8ea05" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_019e847f-5357-7c43-810e-692671bc8d25" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019e847f-5357-746f-a0ba-cdc3baa3b72c" xlink:to="loc_us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember_019e847f-5357-7c43-810e-692671bc8d25" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5357-74cf-9801-f34efdd56313" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e8b-8e24-77ef246955f8" xlink:to="loc_dei_LegalEntityAxis_019e847f-5357-74cf-9801-f34efdd56313" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-74cf-9801-f34efdd56313_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-74cf-9801-f34efdd56313" xlink:to="loc_dei_EntityDomain_019e847f-5357-74cf-9801-f34efdd56313_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5357-70ed-b217-d5af6663ab49" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5357-74cf-9801-f34efdd56313" xlink:to="loc_dei_EntityDomain_019e847f-5357-70ed-b217-d5af6663ab49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5357-7aa7-ba59-3ba73ffee6b0" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5357-70ed-b217-d5af6663ab49" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5357-7aa7-ba59-3ba73ffee6b0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis_019e847f-5357-7ade-9f41-a962dff65789" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable_019e847f-5357-7e8b-8e24-77ef246955f8" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis_019e847f-5357-7ade-9f41-a962dff65789" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain_019e847f-5357-7ade-9f41-a962dff65789_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis_019e847f-5357-7ade-9f41-a962dff65789" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain_019e847f-5357-7ade-9f41-a962dff65789_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain_019e847f-5357-793b-a4d4-f6ae08cb416b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestAxis_019e847f-5357-7ade-9f41-a962dff65789" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain_019e847f-5357-793b-a4d4-f6ae08cb416b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPAffiliateOfTrusteeMember_019e847f-5357-7bb6-b43e-550274e7cb3e" xlink:href="mo-20260605.xsd#mo_EBPAffiliateOfTrusteeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestDomain_019e847f-5357-793b-a4d4-f6ae08cb416b" xlink:to="loc_mo_EBPAffiliateOfTrusteeMember_019e847f-5357-7bb6-b43e-550274e7cb3e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_019e847f-5357-7c6b-8663-849cf53cc10b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7735-8118-1c8afae1c413" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment_019e847f-5357-7c6b-8663-849cf53cc10b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue_019e847f-5357-748d-8de2-2ecaa0803d74" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems_019e847f-5357-7735-8118-1c8afae1c413" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue_019e847f-5357-748d-8de2-2ecaa0803d74" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofMasterTrustANetAssetsAvailableforBenefitDetails" xlink:type="simple" xlink:href="mo-20260605.xsd#ReconciliationofFinancialStatementstoForm5500ReconciliationofMasterTrustANetAssetsAvailableforBenefitDetails"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofMasterTrustANetAssetsAvailableforBenefitDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-74ce-9372-f0f0ca765bbf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7481-b84d-70d349104f02" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-74ce-9372-f0f0ca765bbf" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7481-b84d-70d349104f02" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameAxis_019e847f-5358-7924-81d1-75abce39c789" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7481-b84d-70d349104f02" xlink:to="loc_mo_EBPMasterTrustNameAxis_019e847f-5358-7924-81d1-75abce39c789" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5358-7924-81d1-75abce39c789_default" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5358-7924-81d1-75abce39c789" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5358-7924-81d1-75abce39c789_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustNameDomain_019e847f-5358-774e-9c90-161f988cf754" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mo_EBPMasterTrustNameAxis_019e847f-5358-7924-81d1-75abce39c789" xlink:to="loc_mo_EBPMasterTrustNameDomain_019e847f-5358-774e-9c90-161f988cf754" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustMember_019e847f-5358-7b3e-85b0-dafec1994f6a" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5358-774e-9c90-161f988cf754" xlink:to="loc_mo_EBPMasterTrustMember_019e847f-5358-7b3e-85b0-dafec1994f6a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPMasterTrustAMember_019e847f-5358-7381-b453-adfd94c02af1" xlink:href="mo-20260605.xsd#mo_EBPMasterTrustAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mo_EBPMasterTrustNameDomain_019e847f-5358-774e-9c90-161f988cf754" xlink:to="loc_mo_EBPMasterTrustAMember_019e847f-5358-7381-b453-adfd94c02af1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5358-780f-ab13-a19a4510ed6b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7481-b84d-70d349104f02" xlink:to="loc_dei_LegalEntityAxis_019e847f-5358-780f-ab13-a19a4510ed6b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-780f-ab13-a19a4510ed6b_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-780f-ab13-a19a4510ed6b" xlink:to="loc_dei_EntityDomain_019e847f-5358-780f-ab13-a19a4510ed6b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-72c5-a7c9-5bc63c8c48b6" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-780f-ab13-a19a4510ed6b" xlink:to="loc_dei_EntityDomain_019e847f-5358-72c5-a7c9-5bc63c8c48b6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5358-74f7-a072-485890213dbe" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5358-72c5-a7c9-5bc63c8c48b6" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5358-74f7-a072-485890213dbe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairValue_019e847f-5358-7ae5-a8d6-07c164df48a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-74ce-9372-f0f0ca765bbf" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairValue_019e847f-5358-7ae5-a8d6-07c164df48a3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustContractValue_019e847f-5358-7306-92c6-8a3d311888a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustContractValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-74ce-9372-f0f0ca765bbf" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustContractValue_019e847f-5358-7306-92c6-8a3d311888a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairAndContractValue_019e847f-5358-79e3-9f14-0edaa2329aff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairAndContractValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-74ce-9372-f0f0ca765bbf" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairAndContractValue_019e847f-5358-79e3-9f14-0edaa2329aff" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500NetAssetAvailableForBenefitContractValueToCurrentValueAdjustment_019e847f-5358-7698-8e0e-497e9de73ade" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500NetAssetAvailableForBenefitContractValueToCurrentValueAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-74ce-9372-f0f0ca765bbf" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500NetAssetAvailableForBenefitContractValueToCurrentValueAdjustment_019e847f-5358-7698-8e0e-497e9de73ade" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetAssetAvailableForBenefit_019e847f-5358-723e-86d9-0f45b4627266" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetAssetAvailableForBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-74ce-9372-f0f0ca765bbf" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetAssetAvailableForBenefit_019e847f-5358-723e-86d9-0f45b4627266" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails" xlink:type="simple" xlink:href="mo-20260605.xsd#ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-7633-8638-e18f5427f4eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7805-b8b5-1eff854fc3c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-7633-8638-e18f5427f4eb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7805-b8b5-1eff854fc3c5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5358-7439-a4f6-928f1fa8f83c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7805-b8b5-1eff854fc3c5" xlink:to="loc_dei_LegalEntityAxis_019e847f-5358-7439-a4f6-928f1fa8f83c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-7439-a4f6-928f1fa8f83c_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7439-a4f6-928f1fa8f83c" xlink:to="loc_dei_EntityDomain_019e847f-5358-7439-a4f6-928f1fa8f83c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-7c35-9a5b-4574575a84b0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7439-a4f6-928f1fa8f83c" xlink:to="loc_dei_EntityDomain_019e847f-5358-7c35-9a5b-4574575a84b0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5358-7a7f-8c33-12fda0cbe5ef" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5358-7c35-9a5b-4574575a84b0" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5358-7a7f-8c33-12fda0cbe5ef" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019e847f-5358-7a77-a339-4e547f5d95dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-7633-8638-e18f5427f4eb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit_019e847f-5358-7a77-a339-4e547f5d95dd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500NetAssetAvailableForBenefitContractValueToCurrentValueAdjustment_019e847f-5358-7acc-ba0d-373f04ea5696" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500NetAssetAvailableForBenefitContractValueToCurrentValueAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-7633-8638-e18f5427f4eb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500NetAssetAvailableForBenefitContractValueToCurrentValueAdjustment_019e847f-5358-7acc-ba0d-373f04ea5696" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetAssetAvailableForBenefit_019e847f-5358-7cb4-80c7-31629b8ba4fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetAssetAvailableForBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-7633-8638-e18f5427f4eb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetAssetAvailableForBenefit_019e847f-5358-7cb4-80c7-31629b8ba4fa" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails" xlink:type="simple" xlink:href="mo-20260605.xsd#ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-7d99-943f-d8ad7a061349" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7a26-8f03-0d31d517ccef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-7d99-943f-d8ad7a061349" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7a26-8f03-0d31d517ccef" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5358-7c4d-b93d-15f61c66daac" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table_019e847f-5358-7a26-8f03-0d31d517ccef" xlink:to="loc_dei_LegalEntityAxis_019e847f-5358-7c4d-b93d-15f61c66daac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-7c4d-b93d-15f61c66daac_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7c4d-b93d-15f61c66daac" xlink:to="loc_dei_EntityDomain_019e847f-5358-7c4d-b93d-15f61c66daac_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-74a9-8cf0-89baffbe7b77" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7c4d-b93d-15f61c66daac" xlink:to="loc_dei_EntityDomain_019e847f-5358-74a9-8cf0-89baffbe7b77" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5358-7515-9179-e2dfcd323776" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5358-74a9-8cf0-89baffbe7b77" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5358-7515-9179-e2dfcd323776" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPChangeInNetAssetAvailableForBenefitIncreaseDecreaseAfterTransfersToFromPlan_019e847f-5358-7787-8e29-596e6f44b0df" xlink:href="mo-20260605.xsd#mo_EBPChangeInNetAssetAvailableForBenefitIncreaseDecreaseAfterTransfersToFromPlan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-7d99-943f-d8ad7a061349" xlink:to="loc_mo_EBPChangeInNetAssetAvailableForBenefitIncreaseDecreaseAfterTransfersToFromPlan_019e847f-5358-7787-8e29-596e6f44b0df" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500ChangeInNetAssetAvailableForBenefitIncreaseDecreaseForContractValueToCurrentValue_019e847f-5358-7d5d-b676-6986af91c282" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500ChangeInNetAssetAvailableForBenefitIncreaseDecreaseForContractValueToCurrentValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-7d99-943f-d8ad7a061349" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500ChangeInNetAssetAvailableForBenefitIncreaseDecreaseForContractValueToCurrentValue_019e847f-5358-7d5d-b676-6986af91c282" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetIncomeLoss_019e847f-5358-77c3-a3c6-467f8139beb2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems_019e847f-5358-7d99-943f-d8ad7a061349" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetIncomeLoss_019e847f-5358-77c3-a3c6-467f8139beb2" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" xlink:type="simple" xlink:href="mo-20260605.xsd#ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019e847f-5358-7eb1-a1e4-626654cb62bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019e847f-5358-7cb0-9748-8df6f9d7282d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019e847f-5358-7eb1-a1e4-626654cb62bb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019e847f-5358-7cb0-9748-8df6f9d7282d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5358-7f24-add5-2dea49d6116e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019e847f-5358-7cb0-9748-8df6f9d7282d" xlink:to="loc_dei_LegalEntityAxis_019e847f-5358-7f24-add5-2dea49d6116e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-7f24-add5-2dea49d6116e_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7f24-add5-2dea49d6116e" xlink:to="loc_dei_EntityDomain_019e847f-5358-7f24-add5-2dea49d6116e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-741e-91a3-d0066473ab20" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7f24-add5-2dea49d6116e" xlink:to="loc_dei_EntityDomain_019e847f-5358-741e-91a3-d0066473ab20" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5358-713d-ad43-449c841c846a" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5358-741e-91a3-d0066473ab20" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5358-713d-ad43-449c841c846a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIdentifierAxis_019e847f-5358-7e67-9181-9d5142c88c2d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentIdentifierAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019e847f-5358-7cb0-9748-8df6f9d7282d" xlink:to="loc_us-gaap_InvestmentIdentifierAxis_019e847f-5358-7e67-9181-9d5142c88c2d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019e847f-5358-789c-b0b2-ca3afb7e7813" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019e847f-5358-7cb0-9748-8df6f9d7282d" xlink:to="loc_srt_RangeAxis_019e847f-5358-789c-b0b2-ca3afb7e7813" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e847f-5358-789c-b0b2-ca3afb7e7813_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019e847f-5358-789c-b0b2-ca3afb7e7813" xlink:to="loc_srt_RangeMember_019e847f-5358-789c-b0b2-ca3afb7e7813_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e847f-5358-7be2-9a0f-58e60bd878b9" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019e847f-5358-789c-b0b2-ca3afb7e7813" xlink:to="loc_srt_RangeMember_019e847f-5358-7be2-9a0f-58e60bd878b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019e847f-5358-70c5-879b-10e6220ddb17" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019e847f-5358-7be2-9a0f-58e60bd878b9" xlink:to="loc_srt_MinimumMember_019e847f-5358-70c5-879b-10e6220ddb17" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019e847f-5358-77a8-8458-672aa2ec7bad" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019e847f-5358-7be2-9a0f-58e60bd878b9" xlink:to="loc_srt_MaximumMember_019e847f-5358-77a8-8458-672aa2ec7bad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentInterestRate_019e847f-5358-7e72-bb4e-946fb5012230" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019e847f-5358-7eb1-a1e4-626654cb62bb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentInterestRate_019e847f-5358-7e72-bb4e-946fb5012230" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentPlanInterestInMasterTrustCurrentValue_019e847f-5358-7c66-844d-0780bcf61fb8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentPlanInterestInMasterTrustCurrentValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019e847f-5358-7eb1-a1e4-626654cb62bb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentPlanInterestInMasterTrustCurrentValue_019e847f-5358-7c66-844d-0780bcf61fb8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution_019e847f-5358-7513-96f2-61a7ef8a8b73" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019e847f-5358-7eb1-a1e4-626654cb62bb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution_019e847f-5358-7513-96f2-61a7ef8a8b73" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.altria.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails_1" xlink:type="simple" xlink:href="mo-20260605.xsd#ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails_1"/>
  <link:definitionLink xlink:role="http://www.altria.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019e847f-5358-7eb1-a1e4-626654cb62bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019e847f-5358-7cb0-9748-8df6f9d7282d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019e847f-5358-7eb1-a1e4-626654cb62bb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019e847f-5358-7cb0-9748-8df6f9d7282d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019e847f-5358-7f24-add5-2dea49d6116e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019e847f-5358-7cb0-9748-8df6f9d7282d" xlink:to="loc_dei_LegalEntityAxis_019e847f-5358-7f24-add5-2dea49d6116e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-7f24-add5-2dea49d6116e_default" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7f24-add5-2dea49d6116e" xlink:to="loc_dei_EntityDomain_019e847f-5358-7f24-add5-2dea49d6116e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019e847f-5358-741e-91a3-d0066473ab20" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019e847f-5358-7f24-add5-2dea49d6116e" xlink:to="loc_dei_EntityDomain_019e847f-5358-741e-91a3-d0066473ab20" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mo_EBPHDPSPlanMember_019e847f-5358-713d-ad43-449c841c846a" xlink:href="mo-20260605.xsd#mo_EBPHDPSPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019e847f-5358-741e-91a3-d0066473ab20" xlink:to="loc_mo_EBPHDPSPlanMember_019e847f-5358-713d-ad43-449c841c846a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019e847f-5358-789c-b0b2-ca3afb7e7813" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable_019e847f-5358-7cb0-9748-8df6f9d7282d" xlink:to="loc_srt_RangeAxis_019e847f-5358-789c-b0b2-ca3afb7e7813" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e847f-5358-789c-b0b2-ca3afb7e7813_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_019e847f-5358-789c-b0b2-ca3afb7e7813" xlink:to="loc_srt_RangeMember_019e847f-5358-789c-b0b2-ca3afb7e7813_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019e847f-5358-7be2-9a0f-58e60bd878b9" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_019e847f-5358-789c-b0b2-ca3afb7e7813" xlink:to="loc_srt_RangeMember_019e847f-5358-7be2-9a0f-58e60bd878b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019e847f-5358-70c5-879b-10e6220ddb17" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019e847f-5358-7be2-9a0f-58e60bd878b9" xlink:to="loc_srt_MinimumMember_019e847f-5358-70c5-879b-10e6220ddb17" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019e847f-5358-77a8-8458-672aa2ec7bad" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_019e847f-5358-7be2-9a0f-58e60bd878b9" xlink:to="loc_srt_MaximumMember_019e847f-5358-77a8-8458-672aa2ec7bad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentInterestRate_019e847f-5358-7e72-bb4e-946fb5012230" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanInvestmentInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019e847f-5358-7eb1-a1e4-626654cb62bb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanInvestmentInterestRate_019e847f-5358-7e72-bb4e-946fb5012230" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentPlanInterestInMasterTrustCurrentValue_019e847f-5358-7c66-844d-0780bcf61fb8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentPlanInterestInMasterTrustCurrentValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019e847f-5358-7eb1-a1e4-626654cb62bb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentPlanInterestInMasterTrustCurrentValue_019e847f-5358-7c66-844d-0780bcf61fb8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution_019e847f-5358-7513-96f2-61a7ef8a8b73" xlink:href="https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd#us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems_019e847f-5358-7eb1-a1e4-626654cb62bb" xlink:to="loc_us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution_019e847f-5358-7513-96f2-61a7ef8a8b73" xlink:type="arc" order="2"/>
  </link:definitionLink>
</link:linkbase>
