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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019ecbef-966b-7252-ab07-d05d1e6c9c07,g:c4709f90-4d1c-4f4a-a50d-fb399ef67f8a-->
<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://veeva.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="simple" xlink:href="veev-20260731.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME"/>
  <link:definitionLink xlink:role="http://veeva.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019ecbef-97ef-7497-bcf1-f9d86cdfb11f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_StatementTable_019ecbef-97ef-7497-bcf1-f9d86cdfb11f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019ecbef-97ef-70ae-a1f1-8465d2250cac" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019ecbef-97ef-7497-bcf1-f9d86cdfb11f" xlink:to="loc_srt_ProductOrServiceAxis_019ecbef-97ef-70ae-a1f1-8465d2250cac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019ecbef-97ef-70ae-a1f1-8465d2250cac_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019ecbef-97ef-70ae-a1f1-8465d2250cac" xlink:to="loc_srt_ProductsAndServicesDomain_019ecbef-97ef-70ae-a1f1-8465d2250cac_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019ecbef-97ef-7ef6-b2b7-d8c136312cb5" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019ecbef-97ef-70ae-a1f1-8465d2250cac" xlink:to="loc_srt_ProductsAndServicesDomain_019ecbef-97ef-7ef6-b2b7-d8c136312cb5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubscriptionAndCirculationMember_019ecbef-97ef-7f38-8e43-253cc313d88d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubscriptionAndCirculationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019ecbef-97ef-7ef6-b2b7-d8c136312cb5" xlink:to="loc_us-gaap_SubscriptionAndCirculationMember_019ecbef-97ef-7f38-8e43-253cc313d88d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyServiceMember_019ecbef-97ef-7475-b26e-5cc0a016492d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TechnologyServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019ecbef-97ef-7ef6-b2b7-d8c136312cb5" xlink:to="loc_us-gaap_TechnologyServiceMember_019ecbef-97ef-7475-b26e-5cc0a016492d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_019ecbef-97ef-7211-b8b6-ea6ec745cccc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_RevenuesAbstract_019ecbef-97ef-7211-b8b6-ea6ec745cccc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019ecbef-97ef-7505-b48d-fffa39fa0936" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_019ecbef-97ef-7211-b8b6-ea6ec745cccc" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019ecbef-97ef-7505-b48d-fffa39fa0936" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenueAbstract_019ecbef-97ef-79e4-894f-d5be93532eb9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfRevenueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_CostOfRevenueAbstract_019ecbef-97ef-79e4-894f-d5be93532eb9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019ecbef-97ef-7846-aef1-b87dab0b22b8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CostOfRevenueAbstract_019ecbef-97ef-79e4-894f-d5be93532eb9" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019ecbef-97ef-7846-aef1-b87dab0b22b8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019ecbef-97ef-7186-8821-762fb8a6e46f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_GrossProfit_019ecbef-97ef-7186-8821-762fb8a6e46f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_019ecbef-97ef-73c3-91a1-59641d3534ab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_OperatingExpensesAbstract_019ecbef-97ef-73c3-91a1-59641d3534ab" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019ecbef-97ef-75c2-b89f-6cd24e2c0491" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019ecbef-97ef-73c3-91a1-59641d3534ab" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019ecbef-97ef-75c2-b89f-6cd24e2c0491" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_019ecbef-97ef-7784-8dda-5c7747cd4f06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019ecbef-97ef-73c3-91a1-59641d3534ab" xlink:to="loc_us-gaap_SellingAndMarketingExpense_019ecbef-97ef-7784-8dda-5c7747cd4f06" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019ecbef-97ef-7801-a87f-e9cf99d5b3a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019ecbef-97ef-73c3-91a1-59641d3534ab" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_019ecbef-97ef-7801-a87f-e9cf99d5b3a2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_019ecbef-97ef-746b-b530-be68f60301f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_019ecbef-97ef-73c3-91a1-59641d3534ab" xlink:to="loc_us-gaap_OperatingExpenses_019ecbef-97ef-746b-b530-be68f60301f8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019ecbef-97ef-7917-981d-8a75017c27ce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_OperatingIncomeLoss_019ecbef-97ef-7917-981d-8a75017c27ce" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019ecbef-97ef-7446-b629-6508785a7dcb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019ecbef-97ef-7446-b629-6508785a7dcb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019ecbef-97ef-7f3d-9db1-9c7cecec93b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019ecbef-97ef-7f3d-9db1-9c7cecec93b6" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019ecbef-97ef-71df-bae1-3abf8b850ad7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019ecbef-97ef-71df-bae1-3abf8b850ad7" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019ecbef-97ef-7b88-948f-71e5ec50c835" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_NetIncomeLoss_019ecbef-97ef-7b88-948f-71e5ec50c835" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_019ecbef-97ef-7905-ac18-6f51473c0902" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_EarningsPerShareAbstract_019ecbef-97ef-7905-ac18-6f51473c0902" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_019ecbef-97ef-78df-a230-a7db5e111237" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_019ecbef-97ef-7905-ac18-6f51473c0902" xlink:to="loc_us-gaap_EarningsPerShareBasic_019ecbef-97ef-78df-a230-a7db5e111237" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_019ecbef-97ef-7cbc-abf5-4f5ab8170f47" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_019ecbef-97ef-7905-ac18-6f51473c0902" xlink:to="loc_us-gaap_EarningsPerShareDiluted_019ecbef-97ef-7cbc-abf5-4f5ab8170f47" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_019ecbef-97ef-73ca-a356-725a59aeb313" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_019ecbef-97ef-73ca-a356-725a59aeb313" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019ecbef-97ef-7b6e-bf60-f7a5f5776e6a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_019ecbef-97ef-73ca-a356-725a59aeb313" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019ecbef-97ef-7b6e-bf60-f7a5f5776e6a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019ecbef-97ef-7ce7-b2eb-a49de80a260b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_019ecbef-97ef-73ca-a356-725a59aeb313" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019ecbef-97ef-7ce7-b2eb-a49de80a260b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019ecbef-97ef-7ad1-aae9-3ec732e54252" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019ecbef-97ef-7ad1-aae9-3ec732e54252" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_019ecbef-97ef-72a4-99f9-5e8f16fc25ca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019ecbef-97ef-7ad1-aae9-3ec732e54252" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_019ecbef-97ef-72a4-99f9-5e8f16fc25ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_019ecbef-97ef-78d7-af5c-826edaedc5fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_019ecbef-97ef-7ad1-aae9-3ec732e54252" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_019ecbef-97ef-78d7-af5c-826edaedc5fa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019ecbef-97ef-7c4d-bb95-848d3a4d203e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-769e-8424-6306972ba363" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_019ecbef-97ef-7c4d-bb95-848d3a4d203e" xlink:type="arc" order="12"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEParenthetical" xlink:type="simple" xlink:href="veev-20260731.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEParenthetical"/>
  <link:definitionLink xlink:role="http://veeva.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019ecbef-97ef-72c3-97e8-b8cf84df0d87" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019ecbef-97ef-70be-9b2f-7ca124b0b7e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-72c3-97e8-b8cf84df0d87" xlink:to="loc_us-gaap_StatementTable_019ecbef-97ef-70be-9b2f-7ca124b0b7e3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfIncomeLocationBalanceAxis_019ecbef-97ef-70c5-88cb-c3d880c82e75" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementOfIncomeLocationBalanceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019ecbef-97ef-70be-9b2f-7ca124b0b7e3" xlink:to="loc_us-gaap_StatementOfIncomeLocationBalanceAxis_019ecbef-97ef-70c5-88cb-c3d880c82e75" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019efa6e-c077-7fcf-917a-a1e9c7401170" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019ecbef-97ef-70be-9b2f-7ca124b0b7e3" xlink:to="loc_srt_ProductOrServiceAxis_019efa6e-c077-7fcf-917a-a1e9c7401170" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019efa6e-c077-7fcf-917a-a1e9c7401170_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019efa6e-c077-7fcf-917a-a1e9c7401170" xlink:to="loc_srt_ProductsAndServicesDomain_019efa6e-c077-7fcf-917a-a1e9c7401170_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019efa6e-c077-72fc-a885-794df89d0a82" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019efa6e-c077-7fcf-917a-a1e9c7401170" xlink:to="loc_srt_ProductsAndServicesDomain_019efa6e-c077-72fc-a885-794df89d0a82" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubscriptionAndCirculationMember_019efa6e-c077-7016-9f7c-9926edd07c1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubscriptionAndCirculationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019efa6e-c077-72fc-a885-794df89d0a82" xlink:to="loc_us-gaap_SubscriptionAndCirculationMember_019efa6e-c077-7016-9f7c-9926edd07c1c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyServiceMember_019efa6e-c077-7042-97f4-2e6a3e44951d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TechnologyServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019efa6e-c077-72fc-a885-794df89d0a82" xlink:to="loc_us-gaap_TechnologyServiceMember_019efa6e-c077-7042-97f4-2e6a3e44951d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019ecbef-97ef-7ab7-a583-7caece3530a7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-72c3-97e8-b8cf84df0d87" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019ecbef-97ef-7ab7-a583-7caece3530a7" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEParenthetical_1" xlink:type="simple" xlink:href="veev-20260731.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEParenthetical_1"/>
  <link:definitionLink xlink:role="http://veeva.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEParenthetical_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019ecbef-97ef-72c3-97e8-b8cf84df0d87" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019ecbef-97ef-70be-9b2f-7ca124b0b7e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-72c3-97e8-b8cf84df0d87" xlink:to="loc_us-gaap_StatementTable_019ecbef-97ef-70be-9b2f-7ca124b0b7e3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019efa6e-c077-7fcf-917a-a1e9c7401170" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019ecbef-97ef-70be-9b2f-7ca124b0b7e3" xlink:to="loc_srt_ProductOrServiceAxis_019efa6e-c077-7fcf-917a-a1e9c7401170" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019efa6e-c077-7fcf-917a-a1e9c7401170_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019efa6e-c077-7fcf-917a-a1e9c7401170" xlink:to="loc_srt_ProductsAndServicesDomain_019efa6e-c077-7fcf-917a-a1e9c7401170_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019efa6e-c077-72fc-a885-794df89d0a82" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019efa6e-c077-7fcf-917a-a1e9c7401170" xlink:to="loc_srt_ProductsAndServicesDomain_019efa6e-c077-72fc-a885-794df89d0a82" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubscriptionAndCirculationMember_019efa6e-c077-7016-9f7c-9926edd07c1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubscriptionAndCirculationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019efa6e-c077-72fc-a885-794df89d0a82" xlink:to="loc_us-gaap_SubscriptionAndCirculationMember_019efa6e-c077-7016-9f7c-9926edd07c1c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyServiceMember_019efa6e-c077-7042-97f4-2e6a3e44951d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TechnologyServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019efa6e-c077-72fc-a885-794df89d0a82" xlink:to="loc_us-gaap_TechnologyServiceMember_019efa6e-c077-7042-97f4-2e6a3e44951d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019ecbef-97ef-7ab7-a583-7caece3530a7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-72c3-97e8-b8cf84df0d87" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019ecbef-97ef-7ab7-a583-7caece3530a7" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" xlink:type="simple" xlink:href="veev-20260731.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY"/>
  <link:definitionLink xlink:role="http://veeva.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019ecbef-97ef-7217-9d21-09ca6eefca4f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019ecbef-97ef-74dc-88e0-254cbb4632da" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-7217-9d21-09ca6eefca4f" xlink:to="loc_us-gaap_StatementTable_019ecbef-97ef-74dc-88e0-254cbb4632da" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019ecbef-97ef-74aa-bd66-61f3d4c88a01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019ecbef-97ef-74dc-88e0-254cbb4632da" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019ecbef-97ef-74aa-bd66-61f3d4c88a01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019ecbef-97ef-74aa-bd66-61f3d4c88a01_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019ecbef-97ef-74aa-bd66-61f3d4c88a01" xlink:to="loc_us-gaap_EquityComponentDomain_019ecbef-97ef-74aa-bd66-61f3d4c88a01_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019ecbef-97ef-7ec5-8c00-198b9382b038" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019ecbef-97ef-74aa-bd66-61f3d4c88a01" xlink:to="loc_us-gaap_EquityComponentDomain_019ecbef-97ef-7ec5-8c00-198b9382b038" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019ecbef-97ef-7b6e-99b7-fe7f83de00a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019ecbef-97ef-7ec5-8c00-198b9382b038" xlink:to="loc_us-gaap_CommonStockMember_019ecbef-97ef-7b6e-99b7-fe7f83de00a3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_019ecbef-97ef-7ec5-8dc0-6659382acc5f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019ecbef-97ef-7ec5-8c00-198b9382b038" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_019ecbef-97ef-7ec5-8dc0-6659382acc5f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_019ecbef-97ef-7f64-b2e1-3004d3dbf7a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019ecbef-97ef-7ec5-8c00-198b9382b038" xlink:to="loc_us-gaap_RetainedEarningsMember_019ecbef-97ef-7f64-b2e1-3004d3dbf7a5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019ecbef-97ef-7ef8-93be-39124129f23a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019ecbef-97ef-7ec5-8c00-198b9382b038" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019ecbef-97ef-7ef8-93be-39124129f23a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019ecbef-97ef-7217-9d21-09ca6eefca4f" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019ecbef-97ef-7356-b785-a49f08b9ac2d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_019ecbef-97ef-7356-b785-a49f08b9ac2d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019ecbef-97ef-7a4e-a576-cf1881c7c461" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:to="loc_us-gaap_StockholdersEquity_019ecbef-97ef-7a4e-a576-cf1881c7c461" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_019ecbef-97ef-7161-ba6b-3ccc96f503f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_019ecbef-97ef-7161-ba6b-3ccc96f503f2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_019ecbef-97ef-7ca6-aa5b-c1773384801b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_019ecbef-97ef-7ca6-aa5b-c1773384801b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_019ecbef-97ef-7145-a7d2-c8b4eee8de77" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_019ecbef-97ef-7145-a7d2-c8b4eee8de77" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_019ecbef-97ef-7797-9f61-5a9dbca2b32f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:to="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_019ecbef-97ef-7797-9f61-5a9dbca2b32f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_019ecbef-97ef-77fc-8a67-dc80fbc929b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:to="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_019ecbef-97ef-77fc-8a67-dc80fbc929b9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_019ecbef-97ef-746e-906f-da251406bb02" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_019ecbef-97ef-746e-906f-da251406bb02" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_019ecbef-97ef-7691-83d2-eb31989f52f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_019ecbef-97ef-7691-83d2-eb31989f52f2" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019ecbef-97ef-7138-b37f-be1d622e2759" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019ecbef-97ef-7138-b37f-be1d622e2759" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019ecbef-97ef-7d47-86ac-655887a3acca" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019ecbef-97ef-7d47-86ac-655887a3acca" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019ecbef-97ef-790f-8dae-464b92b985f5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019ecbef-97ef-761b-a7a3-dfdd7068cd71" xlink:to="loc_us-gaap_NetIncomeLoss_019ecbef-97ef-790f-8dae-464b92b985f5" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019ecbef-97ef-7272-9975-f3e255f79ee0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019ecbef-97ef-7f18-91f6-dac080c43813" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/AcquisitionsNarrativeDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#AcquisitionsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/AcquisitionsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_019ecbef-97f0-766d-9abc-467c398f6978" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019ecbef-97f0-793d-ba62-a21639be9358" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019ecbef-97f0-766d-9abc-467c398f6978" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019ecbef-97f0-793d-ba62-a21639be9358" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_019ecbef-97f0-73e6-92b3-51adbd87a3db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_019ecbef-97f0-793d-ba62-a21639be9358" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_019ecbef-97f0-73e6-92b3-51adbd87a3db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019ecbef-97f0-73e6-92b3-51adbd87a3db_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019ecbef-97f0-73e6-92b3-51adbd87a3db" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019ecbef-97f0-73e6-92b3-51adbd87a3db_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019ecbef-97f0-71d1-886e-43efd20a1d0a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019ecbef-97f0-73e6-92b3-51adbd87a3db" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019ecbef-97f0-71d1-886e-43efd20a1d0a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_RiseHealthcareTechInc.OstroMember_019ecbef-97f0-7f91-9660-2fd5575e5b50" xlink:href="veev-20260731.xsd#veev_RiseHealthcareTechInc.OstroMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019ecbef-97f0-71d1-886e-43efd20a1d0a" xlink:to="loc_veev_RiseHealthcareTechInc.OstroMember_019ecbef-97f0-7f91-9660-2fd5575e5b50" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_019ecbef-97f0-7cb3-9483-b1ad3de7c25f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019ecbef-97f0-766d-9abc-467c398f6978" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_019ecbef-97f0-7cb3-9483-b1ad3de7c25f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_019ecbef-97f0-7283-9963-1fe30352abe5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_019ecbef-97f0-766d-9abc-467c398f6978" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_019ecbef-97f0-7283-9963-1fe30352abe5" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/AcquisitionsScheduleofIntangibleAssetsAcquiredDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#AcquisitionsScheduleofIntangibleAssetsAcquiredDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/AcquisitionsScheduleofIntangibleAssetsAcquiredDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredIndefiniteLivedIntangibleAssetsLineItems_019ecbef-97f0-7e2a-95f5-96a32570cdf6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AcquiredIndefiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_019ecbef-97f0-71b1-babd-8d86c8e949e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AcquiredIndefiniteLivedIntangibleAssetsLineItems_019ecbef-97f0-7e2a-95f5-96a32570cdf6" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_019ecbef-97f0-71b1-babd-8d86c8e949e8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_019ecbef-97f0-772d-878e-1387babbd7c8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_019ecbef-97f0-71b1-babd-8d86c8e949e8" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_019ecbef-97f0-772d-878e-1387babbd7c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019ecbef-97f0-772d-878e-1387babbd7c8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019ecbef-97f0-772d-878e-1387babbd7c8" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019ecbef-97f0-772d-878e-1387babbd7c8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019ecbef-97f0-7db9-8c84-52420605e3b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_019ecbef-97f0-772d-878e-1387babbd7c8" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019ecbef-97f0-7db9-8c84-52420605e3b6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_RiseHealthcareTechInc.OstroMember_019ecbef-97f0-7635-814c-f20a99b3fab8" xlink:href="veev-20260731.xsd#veev_RiseHealthcareTechInc.OstroMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_019ecbef-97f0-7db9-8c84-52420605e3b6" xlink:to="loc_veev_RiseHealthcareTechInc.OstroMember_019ecbef-97f0-7635-814c-f20a99b3fab8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019ecbef-97f0-7fb7-b66b-3dd8a7b8cf13" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_019ecbef-97f0-71b1-babd-8d86c8e949e8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019ecbef-97f0-7fb7-b66b-3dd8a7b8cf13" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-7fb7-b66b-3dd8a7b8cf13_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019ecbef-97f0-7fb7-b66b-3dd8a7b8cf13" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-7fb7-b66b-3dd8a7b8cf13_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-74c0-babc-079c9b930a0d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019ecbef-97f0-7fb7-b66b-3dd8a7b8cf13" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-74c0-babc-079c9b930a0d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_019ecbef-97f0-7f1e-9095-8a7786909946" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TrademarksAndTradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-74c0-babc-079c9b930a0d" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_019ecbef-97f0-7f1e-9095-8a7786909946" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_019ecbef-97f0-72af-84af-1b470fed0730" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-74c0-babc-079c9b930a0d" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_019ecbef-97f0-72af-84af-1b470fed0730" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_019ecbef-97f0-7b8b-8bf5-2c24274796df" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-74c0-babc-079c9b930a0d" xlink:to="loc_us-gaap_CustomerRelationshipsMember_019ecbef-97f0-7b8b-8bf5-2c24274796df" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_019ecbef-97f0-7d33-8b2c-5c9ee2a9e98b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredIndefiniteLivedIntangibleAssetsLineItems_019ecbef-97f0-7e2a-95f5-96a32570cdf6" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_019ecbef-97f0-7d33-8b2c-5c9ee2a9e98b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_019ecbef-97f0-78e8-bf3f-64ffb2b4cd4c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredIndefiniteLivedIntangibleAssetsLineItems_019ecbef-97f0-7e2a-95f5-96a32570cdf6" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_019ecbef-97f0-78e8-bf3f-64ffb2b4cd4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019ecbef-97f0-7873-b50d-b42848376ddf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredIndefiniteLivedIntangibleAssetsLineItems_019ecbef-97f0-7e2a-95f5-96a32570cdf6" xlink:to="loc_us-gaap_Goodwill_019ecbef-97f0-7873-b50d-b42848376ddf" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/ShortTermInvestmentsScheduleofShortTermInvestmentsDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#ShortTermInvestmentsScheduleofShortTermInvestmentsDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/ShortTermInvestmentsScheduleofShortTermInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019ecbef-97f0-730f-b08c-df09c6833a50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_019ecbef-97f0-7be4-a849-f780ba8fccab" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019ecbef-97f0-730f-b08c-df09c6833a50" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_019ecbef-97f0-7be4-a849-f780ba8fccab" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_019ecbef-97f0-73aa-b739-9d2bc120fc95" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_019ecbef-97f0-7be4-a849-f780ba8fccab" xlink:to="loc_us-gaap_FinancialInstrumentAxis_019ecbef-97f0-73aa-b739-9d2bc120fc95" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-73aa-b739-9d2bc120fc95_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019ecbef-97f0-73aa-b739-9d2bc120fc95" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-73aa-b739-9d2bc120fc95_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a00-92a5-7752f2ad9fdc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019ecbef-97f0-73aa-b739-9d2bc120fc95" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a00-92a5-7752f2ad9fdc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CertificatesOfDepositMember_019ecbef-97f0-71c0-8fb3-67d3ce12f8fc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CertificatesOfDepositMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a00-92a5-7752f2ad9fdc" xlink:to="loc_us-gaap_CertificatesOfDepositMember_019ecbef-97f0-71c0-8fb3-67d3ce12f8fc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_019ecbef-97f0-7a4d-bd34-1f803ac0042a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetBackedSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a00-92a5-7752f2ad9fdc" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_019ecbef-97f0-7a4d-bd34-1f803ac0042a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_019ecbef-97f0-7a05-9821-68c9c3634bc8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommercialPaperMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a00-92a5-7752f2ad9fdc" xlink:to="loc_us-gaap_CommercialPaperMember_019ecbef-97f0-7a05-9821-68c9c3634bc8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_019ecbef-97f0-7458-a195-a05e2dae5cd5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a00-92a5-7752f2ad9fdc" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_019ecbef-97f0-7458-a195-a05e2dae5cd5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019ecbef-97f0-7613-beee-183621679d49" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a00-92a5-7752f2ad9fdc" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019ecbef-97f0-7613-beee-183621679d49" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MunicipalBondsMember_019ecbef-97f0-7cc1-b9f2-00d2c5af71d7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MunicipalBondsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a00-92a5-7752f2ad9fdc" xlink:to="loc_us-gaap_MunicipalBondsMember_019ecbef-97f0-7cc1-b9f2-00d2c5af71d7" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_019ecbef-97f0-72e4-ae87-b992487f9b01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a00-92a5-7752f2ad9fdc" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_019ecbef-97f0-72e4-ae87-b992487f9b01" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasurySecuritiesMember_019ecbef-97f0-7b9f-b516-c8e9dce84408" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_USTreasurySecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a00-92a5-7752f2ad9fdc" xlink:to="loc_us-gaap_USTreasurySecuritiesMember_019ecbef-97f0-7b9f-b516-c8e9dce84408" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019ecbef-97f0-7020-9f70-27c34aebdc82" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019ecbef-97f0-730f-b08c-df09c6833a50" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_019ecbef-97f0-7020-9f70-27c34aebdc82" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_019ecbef-97f0-773c-b2c0-4365c203891e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019ecbef-97f0-730f-b08c-df09c6833a50" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_019ecbef-97f0-773c-b2c0-4365c203891e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_019ecbef-97f0-7663-89d6-8e646ad11b4b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019ecbef-97f0-730f-b08c-df09c6833a50" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_019ecbef-97f0-7663-89d6-8e646ad11b4b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_019ecbef-97f0-79af-b28c-476974939322" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019ecbef-97f0-730f-b08c-df09c6833a50" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_019ecbef-97f0-79af-b28c-476974939322" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/ShortTermInvestmentsScheduleofFairValuesandGrossUnrealizedLossPositionofAvailableforSaleSecuritiesAggregatedbyInvestmentCategoryDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#ShortTermInvestmentsScheduleofFairValuesandGrossUnrealizedLossPositionofAvailableforSaleSecuritiesAggregatedbyInvestmentCategoryDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/ShortTermInvestmentsScheduleofFairValuesandGrossUnrealizedLossPositionofAvailableforSaleSecuritiesAggregatedbyInvestmentCategoryDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019ecbef-97f0-7c8e-9042-0e46f00cf51e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_019ecbef-97f0-72a6-b502-433ae834f942" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019ecbef-97f0-7c8e-9042-0e46f00cf51e" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_019ecbef-97f0-72a6-b502-433ae834f942" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_019ecbef-97f0-7716-a04a-a0426c47570f" 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_DebtSecuritiesAvailableForSaleTable_019ecbef-97f0-72a6-b502-433ae834f942" xlink:to="loc_us-gaap_InvestmentTypeAxis_019ecbef-97f0-7716-a04a-a0426c47570f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019ecbef-97f0-7716-a04a-a0426c47570f_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_019ecbef-97f0-7716-a04a-a0426c47570f" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019ecbef-97f0-7716-a04a-a0426c47570f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_019ecbef-97f0-752c-98d9-12ed80197c03" 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_019ecbef-97f0-7716-a04a-a0426c47570f" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_019ecbef-97f0-752c-98d9-12ed80197c03" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CertificatesOfDepositMember_019ecbef-97f0-7523-94f0-d39666cfe84e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CertificatesOfDepositMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019ecbef-97f0-752c-98d9-12ed80197c03" xlink:to="loc_us-gaap_CertificatesOfDepositMember_019ecbef-97f0-7523-94f0-d39666cfe84e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_019ecbef-97f0-76aa-bad2-e6c8eb78f2b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetBackedSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019ecbef-97f0-752c-98d9-12ed80197c03" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_019ecbef-97f0-76aa-bad2-e6c8eb78f2b5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_019ecbef-97f0-70e2-a596-6a11ec669379" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommercialPaperMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019ecbef-97f0-752c-98d9-12ed80197c03" xlink:to="loc_us-gaap_CommercialPaperMember_019ecbef-97f0-70e2-a596-6a11ec669379" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_019ecbef-97f0-7717-93a1-e6f511a7eefd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019ecbef-97f0-752c-98d9-12ed80197c03" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_019ecbef-97f0-7717-93a1-e6f511a7eefd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019ecbef-97f0-7db2-bff6-328fb5452269" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019ecbef-97f0-752c-98d9-12ed80197c03" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019ecbef-97f0-7db2-bff6-328fb5452269" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MunicipalBondsMember_019ecbef-97f0-745c-abe5-3c8b211e334e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MunicipalBondsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019ecbef-97f0-752c-98d9-12ed80197c03" xlink:to="loc_us-gaap_MunicipalBondsMember_019ecbef-97f0-745c-abe5-3c8b211e334e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasurySecuritiesMember_019ecbef-97f0-797f-982a-37056ded4517" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_USTreasurySecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_019ecbef-97f0-752c-98d9-12ed80197c03" xlink:to="loc_us-gaap_USTreasurySecuritiesMember_019ecbef-97f0-797f-982a-37056ded4517" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_019ecbef-97f0-7a77-b66b-f35aae130bb5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019ecbef-97f0-7c8e-9042-0e46f00cf51e" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_019ecbef-97f0-7a77-b66b-f35aae130bb5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_019ecbef-97f0-7c98-85d4-0856624c8b0e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019ecbef-97f0-7c8e-9042-0e46f00cf51e" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_019ecbef-97f0-7c98-85d4-0856624c8b0e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_019ecbef-97f0-746d-81f7-f7f6f36e8ba4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019ecbef-97f0-7c8e-9042-0e46f00cf51e" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_019ecbef-97f0-746d-81f7-f7f6f36e8ba4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_019ecbef-97f0-7bb7-832e-6e264f7dd6e9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_019ecbef-97f0-7c8e-9042-0e46f00cf51e" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_019ecbef-97f0-7bb7-832e-6e264f7dd6e9" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/GoodwillandIntangibleAssetsScheduleofDetailsofIntangibleAssetsDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#GoodwillandIntangibleAssetsScheduleofDetailsofIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/GoodwillandIntangibleAssetsScheduleofDetailsofIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019ecbef-97f0-7f76-9e16-45a21bd58b6b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019ecbef-97f0-79e8-b3bd-0b3b044f7c0c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019ecbef-97f0-7f76-9e16-45a21bd58b6b" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019ecbef-97f0-79e8-b3bd-0b3b044f7c0c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019ecbef-97f0-7ae1-a4f2-816bbec1febc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_019ecbef-97f0-79e8-b3bd-0b3b044f7c0c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019ecbef-97f0-7ae1-a4f2-816bbec1febc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-7ae1-a4f2-816bbec1febc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019ecbef-97f0-7ae1-a4f2-816bbec1febc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-7ae1-a4f2-816bbec1febc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-7852-8e7d-429935335ce8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_019ecbef-97f0-7ae1-a4f2-816bbec1febc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-7852-8e7d-429935335ce8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_019ecbef-97f0-7c32-98d4-896ffc8f0fed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-7852-8e7d-429935335ce8" xlink:to="loc_us-gaap_CustomerRelationshipsMember_019ecbef-97f0-7c32-98d4-896ffc8f0fed" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_ExistingTechnologyMember_019ecbef-97f0-7e45-b869-64d1f5c990e3" xlink:href="veev-20260731.xsd#veev_ExistingTechnologyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-7852-8e7d-429935335ce8" xlink:to="loc_veev_ExistingTechnologyMember_019ecbef-97f0-7e45-b869-64d1f5c990e3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_019ecbef-97f0-73df-a19d-93f7dfee697c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TrademarksAndTradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-7852-8e7d-429935335ce8" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_019ecbef-97f0-73df-a19d-93f7dfee697c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_019ecbef-97f0-7975-a266-d0c3da140e01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_019ecbef-97f0-7852-8e7d-429935335ce8" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_019ecbef-97f0-7975-a266-d0c3da140e01" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019ecbef-97f0-74df-a41d-0fc62a9c9404" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019ecbef-97f0-7f76-9e16-45a21bd58b6b" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019ecbef-97f0-74df-a41d-0fc62a9c9404" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019ecbef-97f0-7f6c-a5b2-c2deed63522a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019ecbef-97f0-7f76-9e16-45a21bd58b6b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019ecbef-97f0-7f6c-a5b2-c2deed63522a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019ecbef-97f0-7e89-b737-f0c8b5a46f50" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019ecbef-97f0-7f76-9e16-45a21bd58b6b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019ecbef-97f0-7e89-b737-f0c8b5a46f50" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_019ecbef-97f0-7c99-b735-a3062946a6b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_019ecbef-97f0-7f76-9e16-45a21bd58b6b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_019ecbef-97f0-7c99-b735-a3062946a6b5" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/FairValueMeasurementsScheduleofFairValueHierarchyforFinancialAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#FairValueMeasurementsScheduleofFairValueHierarchyforFinancialAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/FairValueMeasurementsScheduleofFairValueHierarchyforFinancialAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019ecbef-97f0-72b5-8e65-4131a0c1564e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019ecbef-97f0-7d75-b819-cdb84c6ca987" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019ecbef-97f0-72b5-8e65-4131a0c1564e" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019ecbef-97f0-7d75-b819-cdb84c6ca987" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019ecbef-97f0-7b7b-8cab-324eb58a0dd2" 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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019ecbef-97f0-7d75-b819-cdb84c6ca987" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019ecbef-97f0-7b7b-8cab-324eb58a0dd2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019ecbef-97f0-7b7b-8cab-324eb58a0dd2_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_019ecbef-97f0-7b7b-8cab-324eb58a0dd2" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019ecbef-97f0-7b7b-8cab-324eb58a0dd2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019ecbef-97f0-706b-a7f7-9d0372594009" 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_019ecbef-97f0-7b7b-8cab-324eb58a0dd2" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019ecbef-97f0-706b-a7f7-9d0372594009" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019ecbef-97f0-7f37-9bb8-cc9edca5f3a8" 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_FairValueMeasurementsFairValueHierarchyDomain_019ecbef-97f0-706b-a7f7-9d0372594009" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019ecbef-97f0-7f37-9bb8-cc9edca5f3a8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019ecbef-97f0-756c-9a81-b45a18b9c7bf" 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_FairValueMeasurementsFairValueHierarchyDomain_019ecbef-97f0-706b-a7f7-9d0372594009" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019ecbef-97f0-756c-9a81-b45a18b9c7bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_019ecbef-97f0-748c-ac4c-e3405ae66b98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019ecbef-97f0-7d75-b819-cdb84c6ca987" xlink:to="loc_us-gaap_FinancialInstrumentAxis_019ecbef-97f0-748c-ac4c-e3405ae66b98" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-748c-ac4c-e3405ae66b98_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019ecbef-97f0-748c-ac4c-e3405ae66b98" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-748c-ac4c-e3405ae66b98_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a7f-88c1-1ffe59c68146" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019ecbef-97f0-748c-ac4c-e3405ae66b98" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a7f-88c1-1ffe59c68146" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_019ecbef-97f0-709e-a610-4740846bb7f4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a7f-88c1-1ffe59c68146" xlink:to="loc_us-gaap_MoneyMarketFundsMember_019ecbef-97f0-709e-a610-4740846bb7f4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CertificatesOfDepositMember_019ecbef-97f0-783c-94bd-143c046c4600" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CertificatesOfDepositMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a7f-88c1-1ffe59c68146" xlink:to="loc_us-gaap_CertificatesOfDepositMember_019ecbef-97f0-783c-94bd-143c046c4600" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_019ecbef-97f0-7473-8654-8d8d7e5d62d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetBackedSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a7f-88c1-1ffe59c68146" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_019ecbef-97f0-7473-8654-8d8d7e5d62d1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_019ecbef-97f0-7347-bf17-617737fb379a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommercialPaperMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a7f-88c1-1ffe59c68146" xlink:to="loc_us-gaap_CommercialPaperMember_019ecbef-97f0-7347-bf17-617737fb379a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_019ecbef-97f0-7667-9d3d-1fd8d51fa100" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a7f-88c1-1ffe59c68146" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_019ecbef-97f0-7667-9d3d-1fd8d51fa100" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019ecbef-97f0-7eda-8934-0d18653efcf9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a7f-88c1-1ffe59c68146" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_019ecbef-97f0-7eda-8934-0d18653efcf9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MunicipalBondsMember_019ecbef-97f0-7709-8b20-2b0e0b41b86d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MunicipalBondsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a7f-88c1-1ffe59c68146" xlink:to="loc_us-gaap_MunicipalBondsMember_019ecbef-97f0-7709-8b20-2b0e0b41b86d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_019ecbef-97f0-7830-849e-a2d435f0bcb1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a7f-88c1-1ffe59c68146" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_019ecbef-97f0-7830-849e-a2d435f0bcb1" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USTreasurySecuritiesMember_019ecbef-97f0-7ec0-b529-e2550ee29f6d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_USTreasurySecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a7f-88c1-1ffe59c68146" xlink:to="loc_us-gaap_USTreasurySecuritiesMember_019ecbef-97f0-7ec0-b529-e2550ee29f6d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFinancialInstrumentsAssetsMember_019ecbef-97f0-78b2-9ef0-54bb3b9cb1e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFinancialInstrumentsAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a7f-88c1-1ffe59c68146" xlink:to="loc_us-gaap_DerivativeFinancialInstrumentsAssetsMember_019ecbef-97f0-78b2-9ef0-54bb3b9cb1e3" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember_019ecbef-97f0-79e8-81c1-f2212e264601" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7a7f-88c1-1ffe59c68146" xlink:to="loc_us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember_019ecbef-97f0-79e8-81c1-f2212e264601" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_019ecbef-97f0-7b66-886b-03158b8c72dc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019ecbef-97f0-72b5-8e65-4131a0c1564e" xlink:to="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_019ecbef-97f0-7b66-886b-03158b8c72dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019ecbef-97f0-748d-a64c-61e62be74020" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_019ecbef-97f0-7b66-886b-03158b8c72dc" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019ecbef-97f0-748d-a64c-61e62be74020" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_019ecbef-97f0-7be9-a5a2-0d499a43670b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_019ecbef-97f0-7b66-886b-03158b8c72dc" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_019ecbef-97f0-7be9-a5a2-0d499a43670b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_019ecbef-97f0-7d71-8a3c-931b01fe0d53" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_019ecbef-97f0-7b66-886b-03158b8c72dc" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_019ecbef-97f0-7d71-8a3c-931b01fe0d53" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_019ecbef-97f0-7f47-b78a-35a58553e348" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019ecbef-97f0-72b5-8e65-4131a0c1564e" xlink:to="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_019ecbef-97f0-7f47-b78a-35a58553e348" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_019ecbef-97f0-70a5-a426-979462d8dcb1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_019ecbef-97f0-7f47-b78a-35a58553e348" xlink:to="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_019ecbef-97f0-70a5-a426-979462d8dcb1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_019ecbef-97f0-7fa9-97eb-800faaf3b335" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_019ecbef-97f0-7f47-b78a-35a58553e348" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_019ecbef-97f0-7fa9-97eb-800faaf3b335" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/FairValueMeasurementsScheduleofFairValueofOutstandingDerivativeInstrumentsDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#FairValueMeasurementsScheduleofFairValueofOutstandingDerivativeInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/FairValueMeasurementsScheduleofFairValueofOutstandingDerivativeInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_019ecbef-98a4-7b71-b95e-9b145fa2b255" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativesFairValueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019ecbef-97f0-720e-ab41-f5d3010551a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019ecbef-98a4-7b71-b95e-9b145fa2b255" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019ecbef-97f0-720e-ab41-f5d3010551a5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_019ecbef-97f0-7d93-8f18-d444f89c2bf5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019ecbef-97f0-720e-ab41-f5d3010551a5" xlink:to="loc_us-gaap_FinancialInstrumentAxis_019ecbef-97f0-7d93-8f18-d444f89c2bf5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7d93-8f18-d444f89c2bf5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019ecbef-97f0-7d93-8f18-d444f89c2bf5" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7d93-8f18-d444f89c2bf5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7769-a473-cdda082169ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_019ecbef-97f0-7d93-8f18-d444f89c2bf5" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7769-a473-cdda082169ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_019ecbef-98a4-77a7-a048-88fcc01c3709" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ForeignExchangeForwardMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_019ecbef-97f0-7769-a473-cdda082169ac" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_019ecbef-98a4-77a7-a048-88fcc01c3709" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_019ecbef-98a4-7492-ae07-5dd66ca830ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019ecbef-98a4-7b71-b95e-9b145fa2b255" xlink:to="loc_us-gaap_DerivativeNotionalAmount_019ecbef-98a4-7492-ae07-5dd66ca830ed" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_019ecbef-98a4-79cc-a662-f162e346f28a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DerivativeFairValueOfDerivativeNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019ecbef-98a4-7b71-b95e-9b145fa2b255" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_019ecbef-98a4-79cc-a662-f162e346f28a" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/DeferredRevenuePerformanceObligationsandUnbilledAccountsReceivableDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#DeferredRevenuePerformanceObligationsandUnbilledAccountsReceivableDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/DeferredRevenuePerformanceObligationsandUnbilledAccountsReceivableDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-71d9-95de-a972944b0027" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-7d3d-8068-17f5069f1e21" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-71d9-95de-a972944b0027" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-7d3d-8068-17f5069f1e21" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7ce4-9734-defd0f42952d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-7d3d-8068-17f5069f1e21" xlink:to="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7ce4-9734-defd0f42952d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7ce4-9734-defd0f42952d_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7ce4-9734-defd0f42952d" xlink:to="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7ce4-9734-defd0f42952d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7afe-b5b8-0d119da35181" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7ce4-9734-defd0f42952d" xlink:to="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7afe-b5b8-0d119da35181" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubscriptionAndCirculationMember_019ecbef-98a5-728d-acb9-41782428fd62" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubscriptionAndCirculationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7afe-b5b8-0d119da35181" xlink:to="loc_us-gaap_SubscriptionAndCirculationMember_019ecbef-98a5-728d-acb9-41782428fd62" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyServiceMember_019ecbef-98a5-7bbb-b3cb-1b1b8a428b3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TechnologyServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7afe-b5b8-0d119da35181" xlink:to="loc_us-gaap_TechnologyServiceMember_019ecbef-98a5-7bbb-b3cb-1b1b8a428b3e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_019ecbef-98a5-7868-89ac-8321b5a4779e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-7d3d-8068-17f5069f1e21" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_019ecbef-98a5-7868-89ac-8321b5a4779e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_019ecbef-98a5-761f-8480-a35e3995ef4a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-71d9-95de-a972944b0027" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_019ecbef-98a5-761f-8480-a35e3995ef4a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019ecbef-98a5-750b-ad80-0f16ec88c657" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-71d9-95de-a972944b0027" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019ecbef-98a5-750b-ad80-0f16ec88c657" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnbilledReceivablesCurrent_019ecbef-98a5-7c07-8c8b-45a48c014085" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnbilledReceivablesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-71d9-95de-a972944b0027" xlink:to="loc_us-gaap_UnbilledReceivablesCurrent_019ecbef-98a5-7c07-8c8b-45a48c014085" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/DeferredRevenuePerformanceObligationsandUnbilledAccountsReceivableDetails_1" xlink:type="simple" xlink:href="veev-20260731.xsd#DeferredRevenuePerformanceObligationsandUnbilledAccountsReceivableDetails_1"/>
  <link:definitionLink xlink:role="http://veeva.com/role/DeferredRevenuePerformanceObligationsandUnbilledAccountsReceivableDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-71d9-95de-a972944b0027" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-7d3d-8068-17f5069f1e21" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-71d9-95de-a972944b0027" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-7d3d-8068-17f5069f1e21" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7ce4-9734-defd0f42952d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-7d3d-8068-17f5069f1e21" xlink:to="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7ce4-9734-defd0f42952d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7ce4-9734-defd0f42952d_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7ce4-9734-defd0f42952d" xlink:to="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7ce4-9734-defd0f42952d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7afe-b5b8-0d119da35181" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7ce4-9734-defd0f42952d" xlink:to="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7afe-b5b8-0d119da35181" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubscriptionAndCirculationMember_019ecbef-98a5-728d-acb9-41782428fd62" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubscriptionAndCirculationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7afe-b5b8-0d119da35181" xlink:to="loc_us-gaap_SubscriptionAndCirculationMember_019ecbef-98a5-728d-acb9-41782428fd62" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyServiceMember_019ecbef-98a5-7bbb-b3cb-1b1b8a428b3e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TechnologyServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7afe-b5b8-0d119da35181" xlink:to="loc_us-gaap_TechnologyServiceMember_019ecbef-98a5-7bbb-b3cb-1b1b8a428b3e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_019ecbef-98a5-761f-8480-a35e3995ef4a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-71d9-95de-a972944b0027" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_019ecbef-98a5-761f-8480-a35e3995ef4a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019ecbef-98a5-750b-ad80-0f16ec88c657" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-71d9-95de-a972944b0027" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_019ecbef-98a5-750b-ad80-0f16ec88c657" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnbilledReceivablesCurrent_019ecbef-98a5-7c07-8c8b-45a48c014085" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnbilledReceivablesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-71d9-95de-a972944b0027" xlink:to="loc_us-gaap_UnbilledReceivablesCurrent_019ecbef-98a5-7c07-8c8b-45a48c014085" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/LeasesNarrativeDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#LeasesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/LeasesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_veev_LeasesLineItems_019ecbef-98a5-7903-a219-4db6f3e554a7" xlink:href="veev-20260731.xsd#veev_LeasesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_LeasesTable_019ecbef-98a5-748c-8d41-1b8a44356842" xlink:href="veev-20260731.xsd#veev_LeasesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_veev_LeasesLineItems_019ecbef-98a5-7903-a219-4db6f3e554a7" xlink:to="loc_veev_LeasesTable_019ecbef-98a5-748c-8d41-1b8a44356842" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019ecbef-98a5-73c0-8848-3c17cc4519cb" 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_veev_LeasesTable_019ecbef-98a5-748c-8d41-1b8a44356842" xlink:to="loc_srt_RangeAxis_019ecbef-98a5-73c0-8848-3c17cc4519cb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019ecbef-98a5-73c0-8848-3c17cc4519cb_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_019ecbef-98a5-73c0-8848-3c17cc4519cb" xlink:to="loc_srt_RangeMember_019ecbef-98a5-73c0-8848-3c17cc4519cb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019ecbef-98a5-7c62-9fea-9e60f1810748" 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_019ecbef-98a5-73c0-8848-3c17cc4519cb" xlink:to="loc_srt_RangeMember_019ecbef-98a5-7c62-9fea-9e60f1810748" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019ecbef-98a5-7e7d-a6df-ebaf070d42dc" 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_019ecbef-98a5-7c62-9fea-9e60f1810748" xlink:to="loc_srt_MaximumMember_019ecbef-98a5-7e7d-a6df-ebaf070d42dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_019ecbef-98a5-707e-bc43-680ea1af9d98" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_veev_LeasesLineItems_019ecbef-98a5-7903-a219-4db6f3e554a7" xlink:to="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_019ecbef-98a5-707e-bc43-680ea1af9d98" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseExpense_019ecbef-98a5-7fda-bd11-1ac5362e52b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_veev_LeasesLineItems_019ecbef-98a5-7903-a219-4db6f3e554a7" xlink:to="loc_us-gaap_OperatingLeaseExpense_019ecbef-98a5-7fda-bd11-1ac5362e52b3" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/StockholdersEquityNarrativeDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#StockholdersEquityNarrativeDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/StockholdersEquityNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019ecbef-98a5-75f8-be94-63f4b482681a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019ecbef-98a5-75f8-be94-63f4b482681a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019ecbef-98a5-72ad-8f69-9e23312807e0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019ecbef-98a5-75f8-be94-63f4b482681a" xlink:to="loc_us-gaap_AwardTypeAxis_019ecbef-98a5-72ad-8f69-9e23312807e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-72ad-8f69-9e23312807e0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019ecbef-98a5-72ad-8f69-9e23312807e0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-72ad-8f69-9e23312807e0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-7d55-bda4-ff81d42660c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019ecbef-98a5-72ad-8f69-9e23312807e0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-7d55-bda4-ff81d42660c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_019ecbef-98a5-7c34-838f-404b87196652" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-7d55-bda4-ff81d42660c2" xlink:to="loc_us-gaap_EmployeeStockOptionMember_019ecbef-98a5-7c34-838f-404b87196652" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_019ecbef-98a5-7e03-97bd-40b2485c4f11" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-7d55-bda4-ff81d42660c2" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_019ecbef-98a5-7e03-97bd-40b2485c4f11" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_LongTermGrantMember_019ecbef-98a5-7a49-953d-d273800fa93e" xlink:href="veev-20260731.xsd#veev_LongTermGrantMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-7d55-bda4-ff81d42660c2" xlink:to="loc_veev_LongTermGrantMember_019ecbef-98a5-7a49-953d-d273800fa93e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_019ecbef-98a5-7911-9736-294a283f6a4a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019ecbef-98a5-75f8-be94-63f4b482681a" xlink:to="loc_us-gaap_VestingAxis_019ecbef-98a5-7911-9736-294a283f6a4a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_019ecbef-98a5-7911-9736-294a283f6a4a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_019ecbef-98a5-7911-9736-294a283f6a4a" xlink:to="loc_us-gaap_VestingDomain_019ecbef-98a5-7911-9736-294a283f6a4a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_019ecbef-98a5-74d2-b78a-0d4749881884" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_019ecbef-98a5-7911-9736-294a283f6a4a" xlink:to="loc_us-gaap_VestingDomain_019ecbef-98a5-74d2-b78a-0d4749881884" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_019ecbef-98a5-76ba-ae60-5a2d0c116fb1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_019ecbef-98a5-74d2-b78a-0d4749881884" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_019ecbef-98a5-76ba-ae60-5a2d0c116fb1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_019ecbef-98a5-7175-b16b-4aa4725bdec5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_019ecbef-98a5-74d2-b78a-0d4749881884" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_019ecbef-98a5-7175-b16b-4aa4725bdec5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019ecbef-98a5-7ff9-bac8-a2695fe99be2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_019ecbef-98a5-7ff9-bac8-a2695fe99be2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_NumberOfAuthorizedSharesNotDisclosed_019ecbef-98a5-7265-b8c1-452f6ee5f352" xlink:href="veev-20260731.xsd#veev_NumberOfAuthorizedSharesNotDisclosed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_veev_NumberOfAuthorizedSharesNotDisclosed_019ecbef-98a5-7265-b8c1-452f6ee5f352" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_CommonStockSharesIssuedNotDisclosed_019ecbef-98a5-73b3-8133-704a1a55997e" xlink:href="veev-20260731.xsd#veev_CommonStockSharesIssuedNotDisclosed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_veev_CommonStockSharesIssuedNotDisclosed_019ecbef-98a5-73b3-8133-704a1a55997e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_019ecbef-98a5-7e32-9a36-af8bad5a52dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_019ecbef-98a5-7e32-9a36-af8bad5a52dd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_019ecbef-98a5-74a4-a801-21cfcca35b51" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_019ecbef-98a5-74a4-a801-21cfcca35b51" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_019ecbef-98a5-705d-ba13-72e11b3390bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1_019ecbef-98a5-705d-ba13-72e11b3390bf" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019ecbef-98a5-74de-9f76-d49cc21af0dd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019ecbef-98a5-74de-9f76-d49cc21af0dd" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_019ecbef-98a5-7eaa-93f2-4972386c74f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_019ecbef-98a5-7eaa-93f2-4972386c74f2" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_019ecbef-98a5-71fc-b838-413ab6f1f60e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_019ecbef-98a5-71fc-b838-413ab6f1f60e" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodGrantDateFairValue_019ecbef-98a5-7e1c-93b3-9122f3b436e4" xlink:href="veev-20260731.xsd#veev_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_veev_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodGrantDateFairValue_019ecbef-98a5-7e1c-93b3-9122f3b436e4" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramAuthorizedAmount1_019ecbef-98a5-7292-9109-e0e242a5af74" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_srt_StockRepurchaseProgramAuthorizedAmount1_019ecbef-98a5-7292-9109-e0e242a5af74" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramPeriodInForce1_019ecbef-98a5-7db4-adab-12646fb1c637" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchaseProgramPeriodInForce1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_us-gaap_StockRepurchaseProgramPeriodInForce1_019ecbef-98a5-7db4-adab-12646fb1c637" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_019ecbef-98a5-79b6-8fd0-96cff5592c87" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_019ecbef-98a5-79b6-8fd0-96cff5592c87" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_019ecbef-98a5-7361-aa16-b8352e205c0b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7225-8ca6-f37248380ecb" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_019ecbef-98a5-7361-aa16-b8352e205c0b" xlink:type="arc" order="13"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/StockholdersEquityScheduleofWeightedAverageAssumptionsUsedtoEstimateGrantDateFairValueofOptionsGrantedDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#StockholdersEquityScheduleofWeightedAverageAssumptionsUsedtoEstimateGrantDateFairValueofOptionsGrantedDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/StockholdersEquityScheduleofWeightedAverageAssumptionsUsedtoEstimateGrantDateFairValueofOptionsGrantedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7cf1-93aa-c2f25748cd83" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019ecbef-98a5-7d2b-aeb4-f5f127d412e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7cf1-93aa-c2f25748cd83" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019ecbef-98a5-7d2b-aeb4-f5f127d412e8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019ecbef-98a5-7716-bf54-1b55548f4efd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019ecbef-98a5-7d2b-aeb4-f5f127d412e8" xlink:to="loc_us-gaap_AwardTypeAxis_019ecbef-98a5-7716-bf54-1b55548f4efd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-7716-bf54-1b55548f4efd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019ecbef-98a5-7716-bf54-1b55548f4efd" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-7716-bf54-1b55548f4efd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-7396-8e30-d90c1377724a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019ecbef-98a5-7716-bf54-1b55548f4efd" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-7396-8e30-d90c1377724a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_019ecbef-98a5-78c2-bb9d-8e92e8984b12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-7396-8e30-d90c1377724a" xlink:to="loc_us-gaap_EmployeeStockOptionMember_019ecbef-98a5-78c2-bb9d-8e92e8984b12" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_019ecbef-98a5-7daa-b63a-83b45509a5b4" 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_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019ecbef-98a5-7d2b-aeb4-f5f127d412e8" xlink:to="loc_srt_RangeAxis_019ecbef-98a5-7daa-b63a-83b45509a5b4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019ecbef-98a5-7daa-b63a-83b45509a5b4_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_019ecbef-98a5-7daa-b63a-83b45509a5b4" xlink:to="loc_srt_RangeMember_019ecbef-98a5-7daa-b63a-83b45509a5b4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_019ecbef-98a5-7e48-a5d9-7621975d71ab" 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_019ecbef-98a5-7daa-b63a-83b45509a5b4" xlink:to="loc_srt_RangeMember_019ecbef-98a5-7e48-a5d9-7621975d71ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_019ecbef-98a5-74ef-94ce-fa8fad3e0a26" 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_019ecbef-98a5-7e48-a5d9-7621975d71ab" xlink:to="loc_srt_MinimumMember_019ecbef-98a5-74ef-94ce-fa8fad3e0a26" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_019ecbef-98a5-79ca-be44-ca648f071055" 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_019ecbef-98a5-7e48-a5d9-7621975d71ab" xlink:to="loc_srt_MaximumMember_019ecbef-98a5-79ca-be44-ca648f071055" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_019ecbef-98a5-7a58-b067-5722b463011d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7cf1-93aa-c2f25748cd83" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_019ecbef-98a5-7a58-b067-5722b463011d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_019ecbef-98a5-749e-a01b-6aa521d8b930" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7cf1-93aa-c2f25748cd83" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_019ecbef-98a5-749e-a01b-6aa521d8b930" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_019ecbef-98a5-739e-a9ca-3e19f900afc7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7cf1-93aa-c2f25748cd83" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_019ecbef-98a5-739e-a9ca-3e19f900afc7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_019ecbef-98a5-7957-824a-884f731d6fba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7cf1-93aa-c2f25748cd83" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_019ecbef-98a5-7957-824a-884f731d6fba" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_019ecbef-98a5-7b4d-8f4b-9197e28e42d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7cf1-93aa-c2f25748cd83" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_019ecbef-98a5-7b4d-8f4b-9197e28e42d5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_019ecbef-98a5-74be-9521-9c04b0c1e2e5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7cf1-93aa-c2f25748cd83" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_019ecbef-98a5-74be-9521-9c04b0c1e2e5" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/StockholdersEquityScheduleofRestrictedStockUnitRSUActivityDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#StockholdersEquityScheduleofRestrictedStockUnitRSUActivityDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/StockholdersEquityScheduleofRestrictedStockUnitRSUActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7ce3-8ace-8c2ad1a0fc2e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019ecbef-98a5-745e-b9a6-3f4d69eb7e12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7ce3-8ace-8c2ad1a0fc2e" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019ecbef-98a5-745e-b9a6-3f4d69eb7e12" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_019ecbef-98a5-749a-bdca-b00e907294c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_019ecbef-98a5-745e-b9a6-3f4d69eb7e12" xlink:to="loc_us-gaap_AwardTypeAxis_019ecbef-98a5-749a-bdca-b00e907294c0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-749a-bdca-b00e907294c0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_019ecbef-98a5-749a-bdca-b00e907294c0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-749a-bdca-b00e907294c0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-7ece-a4dd-5a2d183cffe3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_019ecbef-98a5-749a-bdca-b00e907294c0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-7ece-a4dd-5a2d183cffe3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_019ecbef-98a5-716b-8ec0-26cf16a2ca85" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_019ecbef-98a5-7ece-a4dd-5a2d183cffe3" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_019ecbef-98a5-716b-8ec0-26cf16a2ca85" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019ecbef-98a5-7835-9408-2a8aa351125a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7ce3-8ace-8c2ad1a0fc2e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019ecbef-98a5-7835-9408-2a8aa351125a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019ecbef-98a5-70c1-8090-1ff70301459c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019ecbef-98a5-7835-9408-2a8aa351125a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019ecbef-98a5-70c1-8090-1ff70301459c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_019ecbef-98a5-7725-81cc-766893f25a95" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019ecbef-98a5-7835-9408-2a8aa351125a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_019ecbef-98a5-7725-81cc-766893f25a95" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_019ecbef-98a5-72e1-856f-b8d52c15bcce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019ecbef-98a5-7835-9408-2a8aa351125a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_019ecbef-98a5-72e1-856f-b8d52c15bcce" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_019ecbef-98a5-79ab-b3de-8393e47baacd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_019ecbef-98a5-7835-9408-2a8aa351125a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_019ecbef-98a5-79ab-b3de-8393e47baacd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_019ecbef-98a5-7e22-a391-52f2f99c943c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_019ecbef-98a5-73ee-ae6c-3d140cdf8175" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_019ecbef-98a5-7ce3-8ace-8c2ad1a0fc2e" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_019ecbef-98a5-73ee-ae6c-3d140cdf8175" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019ecbef-98a5-7fba-bf64-a901e29baf1d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_019ecbef-98a5-73ee-ae6c-3d140cdf8175" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019ecbef-98a5-7fba-bf64-a901e29baf1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019ecbef-98a5-7399-8f24-b17c730598f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_019ecbef-98a5-73ee-ae6c-3d140cdf8175" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_019ecbef-98a5-7399-8f24-b17c730598f7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_019ecbef-98a5-7d18-b9cf-e3dbed767f14" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_019ecbef-98a5-73ee-ae6c-3d140cdf8175" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_019ecbef-98a5-7d18-b9cf-e3dbed767f14" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_019ecbef-98a5-790d-91fa-8993dba1e8af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValueAbstract_019ecbef-98a5-73ee-ae6c-3d140cdf8175" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_019ecbef-98a5-790d-91fa-8993dba1e8af" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_019ecbef-98a5-7b0d-a7c5-fd752fa440d5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/SegmentReportingScheduleofSegmentReportingInformationbySegmentDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#SegmentReportingScheduleofSegmentReportingInformationbySegmentDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/SegmentReportingScheduleofSegmentReportingInformationbySegmentDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019ecbef-98a5-7dac-b82b-0c97c2540478" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019ecbef-98a5-71bd-aa94-b02ef1572218" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019ecbef-98a5-7dac-b82b-0c97c2540478" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019ecbef-98a5-71bd-aa94-b02ef1572218" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019ecbef-98a5-777a-83d1-1ffd55deb883" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019ecbef-98a5-71bd-aa94-b02ef1572218" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019ecbef-98a5-777a-83d1-1ffd55deb883" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019ecbef-98a5-777a-83d1-1ffd55deb883_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019ecbef-98a5-777a-83d1-1ffd55deb883" xlink:to="loc_us-gaap_SegmentDomain_019ecbef-98a5-777a-83d1-1ffd55deb883_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019ecbef-98a5-7b38-8595-7453b61d66c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019ecbef-98a5-777a-83d1-1ffd55deb883" xlink:to="loc_us-gaap_SegmentDomain_019ecbef-98a5-7b38-8595-7453b61d66c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_ReportableSegmentMember_019ecbef-98a5-75b5-9a89-77568f20eeab" xlink:href="veev-20260731.xsd#veev_ReportableSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019ecbef-98a5-7b38-8595-7453b61d66c3" xlink:to="loc_veev_ReportableSegmentMember_019ecbef-98a5-75b5-9a89-77568f20eeab" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7a3f-8cb5-53e42209ccce" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_019ecbef-98a5-71bd-aa94-b02ef1572218" xlink:to="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7a3f-8cb5-53e42209ccce" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7a3f-8cb5-53e42209ccce_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7a3f-8cb5-53e42209ccce" xlink:to="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7a3f-8cb5-53e42209ccce_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-718c-a048-d71aac711653" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7a3f-8cb5-53e42209ccce" xlink:to="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-718c-a048-d71aac711653" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubscriptionAndCirculationMember_019ecbef-98a5-788e-bc24-bee6fd81c7eb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubscriptionAndCirculationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-718c-a048-d71aac711653" xlink:to="loc_us-gaap_SubscriptionAndCirculationMember_019ecbef-98a5-788e-bc24-bee6fd81c7eb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyServiceMember_019ecbef-98a5-762e-a721-76fa6f424170" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TechnologyServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-718c-a048-d71aac711653" xlink:to="loc_us-gaap_TechnologyServiceMember_019ecbef-98a5-762e-a721-76fa6f424170" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019ecbef-98a5-7017-b86e-adea7fea9154" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019ecbef-98a5-7dac-b82b-0c97c2540478" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019ecbef-98a5-7017-b86e-adea7fea9154" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019ecbef-98a5-7d78-b21d-3f0b8d2e3de7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019ecbef-98a5-7dac-b82b-0c97c2540478" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019ecbef-98a5-7d78-b21d-3f0b8d2e3de7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019ecbef-98a5-76fc-9e3e-394470b48e3b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019ecbef-98a5-7dac-b82b-0c97c2540478" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019ecbef-98a5-76fc-9e3e-394470b48e3b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_019ecbef-98a5-784d-8f8f-d10d3df617ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019ecbef-98a5-7dac-b82b-0c97c2540478" xlink:to="loc_us-gaap_SellingAndMarketingExpense_019ecbef-98a5-784d-8f8f-d10d3df617ac" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019ecbef-98a5-760e-859c-a5ee8322eba9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019ecbef-98a5-7dac-b82b-0c97c2540478" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_019ecbef-98a5-760e-859c-a5ee8322eba9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_OperatingIncomeLossAdjusted_019ecbef-98a5-743f-ba9a-be3149494e9d" xlink:href="veev-20260731.xsd#veev_OperatingIncomeLossAdjusted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019ecbef-98a5-7dac-b82b-0c97c2540478" xlink:to="loc_veev_OperatingIncomeLossAdjusted_019ecbef-98a5-743f-ba9a-be3149494e9d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_019ecbef-98a5-725c-9186-1ce9a3aedc04" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019ecbef-98a5-7dac-b82b-0c97c2540478" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_019ecbef-98a5-725c-9186-1ce9a3aedc04" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019ecbef-98a5-75fc-902e-00aad7786aa8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019ecbef-98a5-7dac-b82b-0c97c2540478" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019ecbef-98a5-75fc-902e-00aad7786aa8" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019ecbef-98a5-7f7d-9a51-96e779450b39" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019ecbef-98a5-7dac-b82b-0c97c2540478" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019ecbef-98a5-7f7d-9a51-96e779450b39" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019ecbef-98a5-7b12-b303-549eb89284d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_019ecbef-98a5-7dac-b82b-0c97c2540478" xlink:to="loc_us-gaap_NetIncomeLoss_019ecbef-98a5-7b12-b303-549eb89284d8" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/InformationaboutGeographicAreasandProductsScheduleofRevenuebyGeographicAreaDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#InformationaboutGeographicAreasandProductsScheduleofRevenuebyGeographicAreaDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/InformationaboutGeographicAreasandProductsScheduleofRevenuebyGeographicAreaDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-7f5c-89ee-6ad038941580" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-717d-942d-2bc44b371f14" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-7f5c-89ee-6ad038941580" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-717d-942d-2bc44b371f14" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019ecbef-98a5-7a25-ad71-9e5ae0814f7a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-717d-942d-2bc44b371f14" xlink:to="loc_srt_StatementGeographicalAxis_019ecbef-98a5-7a25-ad71-9e5ae0814f7a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7a25-ad71-9e5ae0814f7a_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019ecbef-98a5-7a25-ad71-9e5ae0814f7a" xlink:to="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7a25-ad71-9e5ae0814f7a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7900-a380-be014f0f52c7" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019ecbef-98a5-7a25-ad71-9e5ae0814f7a" xlink:to="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7900-a380-be014f0f52c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NorthAmericaMember_019ecbef-98a5-7a87-b3df-74aed52c719d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_NorthAmericaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7900-a380-be014f0f52c7" xlink:to="loc_srt_NorthAmericaMember_019ecbef-98a5-7a87-b3df-74aed52c719d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EuropeMember_019ecbef-98a5-7c4a-bf6a-01119fcb5d78" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EuropeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7900-a380-be014f0f52c7" xlink:to="loc_srt_EuropeMember_019ecbef-98a5-7c4a-bf6a-01119fcb5d78" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AsiaPacificMember_019ecbef-98a5-7488-a5e9-a4e211c8d74a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_AsiaPacificMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7900-a380-be014f0f52c7" xlink:to="loc_srt_AsiaPacificMember_019ecbef-98a5-7488-a5e9-a4e211c8d74a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_OtherInternationalMember_019ecbef-98a5-76a5-b0d0-a75f9ac31c2c" xlink:href="veev-20260731.xsd#veev_OtherInternationalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7900-a380-be014f0f52c7" xlink:to="loc_veev_OtherInternationalMember_019ecbef-98a5-76a5-b0d0-a75f9ac31c2c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019ecbef-98a5-7dc7-be13-a1d51a19caac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-7f5c-89ee-6ad038941580" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019ecbef-98a5-7dc7-be13-a1d51a19caac" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/InformationaboutGeographicAreasandProductsScheduleofLongLivedAssetsbyGeographyDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#InformationaboutGeographicAreasandProductsScheduleofLongLivedAssetsbyGeographyDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/InformationaboutGeographicAreasandProductsScheduleofLongLivedAssetsbyGeographyDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-7f6f-817d-f85c7f60e7fa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-74a2-b067-edbb90b4a635" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-7f6f-817d-f85c7f60e7fa" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-74a2-b067-edbb90b4a635" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_019ecbef-98a5-74eb-ad6a-4fd98a237513" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-74a2-b067-edbb90b4a635" xlink:to="loc_srt_StatementGeographicalAxis_019ecbef-98a5-74eb-ad6a-4fd98a237513" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-74eb-ad6a-4fd98a237513_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_019ecbef-98a5-74eb-ad6a-4fd98a237513" xlink:to="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-74eb-ad6a-4fd98a237513_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7735-b57c-8f79b862feb8" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_019ecbef-98a5-74eb-ad6a-4fd98a237513" xlink:to="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7735-b57c-8f79b862feb8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NorthAmericaMember_019ecbef-98a5-7e7d-8520-c0d833aeff3d" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_NorthAmericaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7735-b57c-8f79b862feb8" xlink:to="loc_srt_NorthAmericaMember_019ecbef-98a5-7e7d-8520-c0d833aeff3d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EuropeMember_019ecbef-98a5-7407-a7c2-80ad20e55bd7" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_EuropeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7735-b57c-8f79b862feb8" xlink:to="loc_srt_EuropeMember_019ecbef-98a5-7407-a7c2-80ad20e55bd7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AsiaPacificMember_019ecbef-98a5-7d32-a936-484974316095" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_AsiaPacificMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7735-b57c-8f79b862feb8" xlink:to="loc_srt_AsiaPacificMember_019ecbef-98a5-7d32-a936-484974316095" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_OtherInternationalMember_019ecbef-98a5-78c3-ae8e-752929823a62" xlink:href="veev-20260731.xsd#veev_OtherInternationalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_019ecbef-98a5-7735-b57c-8f79b862feb8" xlink:to="loc_veev_OtherInternationalMember_019ecbef-98a5-78c3-ae8e-752929823a62" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019ecbef-98a5-7c8f-af56-92fec006ab6f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-7f6f-817d-f85c7f60e7fa" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019ecbef-98a5-7c8f-af56-92fec006ab6f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://veeva.com/role/InformationaboutGeographicAreasandProductsScheduleofTotalRevenuesDetails" xlink:type="simple" xlink:href="veev-20260731.xsd#InformationaboutGeographicAreasandProductsScheduleofTotalRevenuesDetails"/>
  <link:definitionLink xlink:role="http://veeva.com/role/InformationaboutGeographicAreasandProductsScheduleofTotalRevenuesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-7394-9d06-a61e9dd3ecc8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-7bd2-8d17-2533debc0285" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-7394-9d06-a61e9dd3ecc8" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-7bd2-8d17-2533debc0285" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7328-970d-011c4b4d3780" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019ecbef-98a5-7bd2-8d17-2533debc0285" xlink:to="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7328-970d-011c4b4d3780" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7328-970d-011c4b4d3780_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7328-970d-011c4b4d3780" xlink:to="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7328-970d-011c4b4d3780_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7f3f-b54b-a84c94f54b14" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019ecbef-98a5-7328-970d-011c4b4d3780" xlink:to="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7f3f-b54b-a84c94f54b14" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubscriptionAndCirculationMember_019ecbef-98a5-7636-b491-e2cbff927123" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubscriptionAndCirculationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7f3f-b54b-a84c94f54b14" xlink:to="loc_us-gaap_SubscriptionAndCirculationMember_019ecbef-98a5-7636-b491-e2cbff927123" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_SubscriptionServicesVeevaCommercialCloudMember_019ecbef-98a5-73ad-b96c-cb25e38e2b09" xlink:href="veev-20260731.xsd#veev_SubscriptionServicesVeevaCommercialCloudMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubscriptionAndCirculationMember_019ecbef-98a5-7636-b491-e2cbff927123" xlink:to="loc_veev_SubscriptionServicesVeevaCommercialCloudMember_019ecbef-98a5-73ad-b96c-cb25e38e2b09" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_SubscriptionServicesVeevaResearchAndDevelopmentAndQualitySolutionsMember_019ecbef-98a5-7e9b-983a-0e36839cbe21" xlink:href="veev-20260731.xsd#veev_SubscriptionServicesVeevaResearchAndDevelopmentAndQualitySolutionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubscriptionAndCirculationMember_019ecbef-98a5-7636-b491-e2cbff927123" xlink:to="loc_veev_SubscriptionServicesVeevaResearchAndDevelopmentAndQualitySolutionsMember_019ecbef-98a5-7e9b-983a-0e36839cbe21" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyServiceMember_019ecbef-98a5-778e-bb2a-d33391ccc576" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TechnologyServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019ecbef-98a5-7f3f-b54b-a84c94f54b14" xlink:to="loc_us-gaap_TechnologyServiceMember_019ecbef-98a5-778e-bb2a-d33391ccc576" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_ProfessionalServicesVeevaCommercialCloudMember_019ecbef-98a5-78bc-8cb0-3f7aac0e4b64" xlink:href="veev-20260731.xsd#veev_ProfessionalServicesVeevaCommercialCloudMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TechnologyServiceMember_019ecbef-98a5-778e-bb2a-d33391ccc576" xlink:to="loc_veev_ProfessionalServicesVeevaCommercialCloudMember_019ecbef-98a5-78bc-8cb0-3f7aac0e4b64" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_ProfessionalServicesVeevaResearchAndDevelopmentAndQualitySolutionsMember_019ecbef-98a5-7421-8e4d-0bf432d38389" xlink:href="veev-20260731.xsd#veev_ProfessionalServicesVeevaResearchAndDevelopmentAndQualitySolutionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TechnologyServiceMember_019ecbef-98a5-778e-bb2a-d33391ccc576" xlink:to="loc_veev_ProfessionalServicesVeevaResearchAndDevelopmentAndQualitySolutionsMember_019ecbef-98a5-7421-8e4d-0bf432d38389" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019ecbef-98a5-7597-b701-1bc93dc99c68" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_019ecbef-98a5-7394-9d06-a61e9dd3ecc8" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019ecbef-98a5-7597-b701-1bc93dc99c68" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd#IndividualsOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd#ecd_AllIndividualsMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_veev_JoshFaddisMember_019ecbef-966b-77f1-a11b-d91a81f6d168" xlink:href="veev-20260731.xsd#veev_JoshFaddisMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_ecd_AllIndividualsMember" xlink:to="loc_veev_JoshFaddisMember_019ecbef-966b-77f1-a11b-d91a81f6d168" xlink:type="arc" order="2"/>
  </link:definitionLink>
</link:linkbase>
