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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:cb4e7192-5b3d-4217-a814-f73c768a0b61,g:2643b410-6cf9-4fdd-963a-3e152df5d096-->
<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.oildri.com/role/CoverStatement" xlink:type="simple" xlink:href="odc-20240416.xsd#CoverStatement"/>
  <link:definitionLink xlink:role="http://www.oildri.com/role/CoverStatement" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitiesTable_c3f09de2-b5af-4ffd-b4a5-d9a795666318" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_EntitiesTable_c3f09de2-b5af-4ffd-b4a5-d9a795666318" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_2c1eb4e2-99cc-4b39-9035-d792b2fe5f8a" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_c3f09de2-b5af-4ffd-b4a5-d9a795666318" xlink:to="loc_dei_LegalEntityAxis_2c1eb4e2-99cc-4b39-9035-d792b2fe5f8a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_2c1eb4e2-99cc-4b39-9035-d792b2fe5f8a_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_2c1eb4e2-99cc-4b39-9035-d792b2fe5f8a" xlink:to="loc_dei_EntityDomain_2c1eb4e2-99cc-4b39-9035-d792b2fe5f8a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_0c766abe-8b62-42fc-ac13-61f938357b93" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_2c1eb4e2-99cc-4b39-9035-d792b2fe5f8a" xlink:to="loc_dei_EntityDomain_0c766abe-8b62-42fc-ac13-61f938357b93" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_2fe3c54b-7612-4cba-88ed-d727a89dc549" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_DocumentType_2fe3c54b-7612-4cba-88ed-d727a89dc549" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_b50280c5-a79a-4004-89f1-b4abcf9b460c" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_DocumentPeriodEndDate_b50280c5-a79a-4004-89f1-b4abcf9b460c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_8ce0e97e-fc11-4118-a4e5-239a8abd86a1" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_EntityRegistrantName_8ce0e97e-fc11-4118-a4e5-239a8abd86a1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_e1ccf409-d45d-4d39-9cf8-2680c7026293" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_EntityIncorporationStateCountryCode_e1ccf409-d45d-4d39-9cf8-2680c7026293" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_b74f8b88-d507-4494-9b95-5155593b8d3f" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_EntityFileNumber_b74f8b88-d507-4494-9b95-5155593b8d3f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_061423ee-fa8b-4e8a-87fb-bb6dc7660dcd" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_EntityTaxIdentificationNumber_061423ee-fa8b-4e8a-87fb-bb6dc7660dcd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_f7c27435-9f99-46e8-b2e0-889c157bda53" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_EntityAddressAddressLine1_f7c27435-9f99-46e8-b2e0-889c157bda53" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_34428bcc-f379-4b1c-a331-0c0cf8763a3c" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressAddressLine2"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_EntityAddressAddressLine2_34428bcc-f379-4b1c-a331-0c0cf8763a3c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_31b87eec-4027-418d-802a-c2755469b847" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_EntityAddressCityOrTown_31b87eec-4027-418d-802a-c2755469b847" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_fdabd432-6555-41e5-8674-2ed8451fafe7" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_EntityAddressStateOrProvince_fdabd432-6555-41e5-8674-2ed8451fafe7" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_09f917fb-eb7e-43c2-8e01-1056affe1bac" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_EntityAddressPostalZipCode_09f917fb-eb7e-43c2-8e01-1056affe1bac" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_7d108035-7a1e-41d3-9547-5260675fcb18" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_CityAreaCode_7d108035-7a1e-41d3-9547-5260675fcb18" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_8f806d05-d1c3-45d8-a270-923a6d828603" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_LocalPhoneNumber_8f806d05-d1c3-45d8-a270-923a6d828603" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_99eec53d-a058-42f1-b526-e0a81af6d2ab" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_WrittenCommunications_99eec53d-a058-42f1-b526-e0a81af6d2ab" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_29c9ed12-ab98-4a35-8223-47649578e64b" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_SolicitingMaterial_29c9ed12-ab98-4a35-8223-47649578e64b" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_96ae3314-d953-4131-8d85-7f3cca15673c" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_PreCommencementTenderOffer_96ae3314-d953-4131-8d85-7f3cca15673c" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_0ffbc16d-cc79-4866-914c-98d5407d73f3" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_0ffbc16d-cc79-4866-914c-98d5407d73f3" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_6017e630-0733-44b0-a5ba-88d375b178d7" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_EntityEmergingGrowthCompany_6017e630-0733-44b0-a5ba-88d375b178d7" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_54c9f9d3-878d-443a-af4f-0e30f4f4f0e5" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_Security12bTitle_54c9f9d3-878d-443a-af4f-0e30f4f4f0e5" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_2b7fae9b-2534-4af8-bebd-f97bb1383ada" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_TradingSymbol_2b7fae9b-2534-4af8-bebd-f97bb1383ada" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_9ffd2de4-e096-4bfd-a506-b20b441b8216" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_SecurityExchangeName_9ffd2de4-e096-4bfd-a506-b20b441b8216" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_3f51f73a-5b0a-413f-a0fc-8492cadeb7a7" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_EntityCentralIndexKey_3f51f73a-5b0a-413f-a0fc-8492cadeb7a7" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_fe6d9a9e-c478-4437-9ee3-3c42dd911c4a" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_9c013ecf-55c6-45dc-904f-f9a8b3a43a7f" xlink:to="loc_dei_AmendmentFlag_fe6d9a9e-c478-4437-9ee3-3c42dd911c4a" xlink:type="arc" order="22"/>
  </link:definitionLink>
</link:linkbase>
