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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:da3499da-fb29-415f-9fa2-414e7662aaa8,g:4673dd33-f74f-4756-87fb-ca0833418cdd-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:indv="http://indivior.com/20250930" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://indivior.com/20250930">
  <xs:import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2025" schemaLocation="https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/stpr/2025" schemaLocation="https://xbrl.sec.gov/stpr/2025/stpr-2025.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="indv-20250930_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="indv-20250930_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="indv-20250930_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="indv-20250930_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="CoverPage" roleURI="http://indivior.com/role/CoverPage">
        <link:definition>0000001 - Document - Cover Page</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsofOperations" roleURI="http://indivior.com/role/CondensedConsolidatedStatementsofOperations">
        <link:definition>9952151 - Statement - Condensed Consolidated Statements of Operations</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsofComprehensiveIncomeLoss" roleURI="http://indivior.com/role/CondensedConsolidatedStatementsofComprehensiveIncomeLoss">
        <link:definition>9952152 - Statement - Condensed Consolidated Statements of Comprehensive Income (Loss)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedBalanceSheets" roleURI="http://indivior.com/role/CondensedConsolidatedBalanceSheets">
        <link:definition>9952153 - Statement - Condensed Consolidated Balance Sheets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedBalanceSheetsParenthetical" roleURI="http://indivior.com/role/CondensedConsolidatedBalanceSheetsParenthetical">
        <link:definition>9952154 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsofStockholdersDeficit" roleURI="http://indivior.com/role/CondensedConsolidatedStatementsofStockholdersDeficit">
        <link:definition>9952155 - Statement - Condensed Consolidated Statements of Stockholders&#8217; Deficit</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsofCashFlows" roleURI="http://indivior.com/role/CondensedConsolidatedStatementsofCashFlows">
        <link:definition>9952156 - Statement - Condensed Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessOverviewBasisofPresentationandRecentlyIssuedAccountingStandards" roleURI="http://indivior.com/role/BusinessOverviewBasisofPresentationandRecentlyIssuedAccountingStandards">
        <link:definition>9952157 - Disclosure - Business Overview, Basis of Presentation, and Recently Issued Accounting Standards</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentGeographicandOtherRevenueInformation" roleURI="http://indivior.com/role/SegmentGeographicandOtherRevenueInformation">
        <link:definition>9952158 - Disclosure - Segment, Geographic and Other Revenue Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTax" roleURI="http://indivior.com/role/IncomeTax">
        <link:definition>9952159 - Disclosure - Income Tax</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Inventories" roleURI="http://indivior.com/role/Inventories">
        <link:definition>9952160 - Disclosure - Inventories</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyPlantandEquipmentNet" roleURI="http://indivior.com/role/PropertyPlantandEquipmentNet">
        <link:definition>9952161 - Disclosure - Property, Plant, and Equipment, Net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountsPayableandAccruedExpenses" roleURI="http://indivior.com/role/AccountsPayableandAccruedExpenses">
        <link:definition>9952162 - Disclosure - Accounts Payable and Accrued Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedLitigationSettlementExpenses" roleURI="http://indivior.com/role/AccruedLitigationSettlementExpenses">
        <link:definition>9952163 - Disclosure - Accrued Litigation Settlement Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Debt" roleURI="http://indivior.com/role/Debt">
        <link:definition>9952164 - Disclosure - Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsandFairValueMeasurements" roleURI="http://indivior.com/role/FinancialInstrumentsandFairValueMeasurements">
        <link:definition>9952165 - Disclosure - Financial Instruments and Fair Value Measurements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShare" roleURI="http://indivior.com/role/EarningsPerShare">
        <link:definition>9952166 - Disclosure - Earnings Per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareBasedPayments" roleURI="http://indivior.com/role/ShareBasedPayments">
        <link:definition>9952167 - Disclosure - Share-Based Payments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingencies" roleURI="http://indivior.com/role/CommitmentsandContingencies">
        <link:definition>9952168 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Restructuring" roleURI="http://indivior.com/role/Restructuring">
        <link:definition>9952169 - Disclosure - Restructuring</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevisionofPreviouslyIssuedFinancialStatements" roleURI="http://indivior.com/role/RevisionofPreviouslyIssuedFinancialStatements">
        <link:definition>9952170 - Disclosure - Revision of Previously Issued Financial Statements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEvents" roleURI="http://indivior.com/role/SubsequentEvents">
        <link:definition>9952171 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessOverviewBasisofPresentationandRecentlyIssuedAccountingStandardsPolicies" roleURI="http://indivior.com/role/BusinessOverviewBasisofPresentationandRecentlyIssuedAccountingStandardsPolicies">
        <link:definition>9955511 - Disclosure - Business Overview, Basis of Presentation, and Recently Issued Accounting Standards (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentGeographicandOtherRevenueInformationTables" roleURI="http://indivior.com/role/SegmentGeographicandOtherRevenueInformationTables">
        <link:definition>9955512 - Disclosure - Segment, Geographic and Other Revenue Information (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxTables" roleURI="http://indivior.com/role/IncomeTaxTables">
        <link:definition>9955513 - Disclosure - Income Tax (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesTables" roleURI="http://indivior.com/role/InventoriesTables">
        <link:definition>9955514 - Disclosure - Inventories (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyPlantandEquipmentNetTables" roleURI="http://indivior.com/role/PropertyPlantandEquipmentNetTables">
        <link:definition>9955515 - Disclosure - Property, Plant, and Equipment, Net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountsPayableandAccruedExpensesTables" roleURI="http://indivior.com/role/AccountsPayableandAccruedExpensesTables">
        <link:definition>9955516 - Disclosure - Accounts Payable and Accrued Expenses (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedLitigationSettlementExpensesTables" roleURI="http://indivior.com/role/AccruedLitigationSettlementExpensesTables">
        <link:definition>9955517 - Disclosure - Accrued Litigation Settlement Expenses (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareTables" roleURI="http://indivior.com/role/EarningsPerShareTables">
        <link:definition>9955518 - Disclosure - Earnings Per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareBasedPaymentsTables" roleURI="http://indivior.com/role/ShareBasedPaymentsTables">
        <link:definition>9955519 - Disclosure - Share-Based Payments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringTables" roleURI="http://indivior.com/role/RestructuringTables">
        <link:definition>9955520 - Disclosure - Restructuring (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevisionofPreviouslyIssuedFinancialStatementsTables" roleURI="http://indivior.com/role/RevisionofPreviouslyIssuedFinancialStatementsTables">
        <link:definition>9955521 - Disclosure - Revision of Previously Issued Financial Statements (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentGeographicandOtherRevenueInformationNarrativeDetails" roleURI="http://indivior.com/role/SegmentGeographicandOtherRevenueInformationNarrativeDetails">
        <link:definition>9955522 - Disclosure - Segment, Geographic and Other Revenue Information - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SegmentGeographicandOtherRevenueInformationFinancialDataProvidedtotheCODMDetails" roleURI="http://indivior.com/role/SegmentGeographicandOtherRevenueInformationFinancialDataProvidedtotheCODMDetails">
        <link:definition>9955523 - Disclosure - Segment, Geographic and Other Revenue Information - Financial Data Provided to the CODM (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxEffectiveIncomeTaxRatesDetails" roleURI="http://indivior.com/role/IncomeTaxEffectiveIncomeTaxRatesDetails">
        <link:definition>9955524 - Disclosure - Income Tax - Effective Income Tax Rates (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxChangesinUnrecognizedTaxBenefitsDetails" roleURI="http://indivior.com/role/IncomeTaxChangesinUnrecognizedTaxBenefitsDetails">
        <link:definition>9955525 - Disclosure - Income Tax - Changes in Unrecognized Tax Benefits (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxNarrativeDetails" roleURI="http://indivior.com/role/IncomeTaxNarrativeDetails">
        <link:definition>9955526 - Disclosure - Income Tax - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesSummaryofInventoriesDetails" roleURI="http://indivior.com/role/InventoriesSummaryofInventoriesDetails">
        <link:definition>9955527 - Disclosure - Inventories - Summary of Inventories (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InventoriesNarrativeDetails" roleURI="http://indivior.com/role/InventoriesNarrativeDetails">
        <link:definition>9955528 - Disclosure - Inventories - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyPlantandEquipmentNetSummaryofPropertyPlantandEquipmentNetDetails" roleURI="http://indivior.com/role/PropertyPlantandEquipmentNetSummaryofPropertyPlantandEquipmentNetDetails">
        <link:definition>9955529 - Disclosure - Property, Plant, and Equipment, Net - Summary of Property, Plant, and Equipment, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PropertyPlantandEquipmentNetNarrativeDetails" roleURI="http://indivior.com/role/PropertyPlantandEquipmentNetNarrativeDetails">
        <link:definition>9955530 - Disclosure - Property, Plant, and Equipment, Net - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccountsPayableandAccruedExpensesDetails" roleURI="http://indivior.com/role/AccountsPayableandAccruedExpensesDetails">
        <link:definition>9955531 - Disclosure - Accounts Payable and Accrued Expenses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedLitigationSettlementExpensesSummaryofAccruedLitigationSettlementExpensesDetails" roleURI="http://indivior.com/role/AccruedLitigationSettlementExpensesSummaryofAccruedLitigationSettlementExpensesDetails">
        <link:definition>9955532 - Disclosure - Accrued Litigation Settlement Expenses - Summary of Accrued Litigation Settlement Expenses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccruedLitigationSettlementExpensesNarrativeDetails" roleURI="http://indivior.com/role/AccruedLitigationSettlementExpensesNarrativeDetails">
        <link:definition>9955533 - Disclosure - Accrued Litigation Settlement Expenses - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtDetails" roleURI="http://indivior.com/role/DebtDetails">
        <link:definition>9955534 - Disclosure - Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FinancialInstrumentsandFairValueMeasurementsDetails" roleURI="http://indivior.com/role/FinancialInstrumentsandFairValueMeasurementsDetails">
        <link:definition>9955535 - Disclosure - Financial Instruments and Fair Value Measurements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareCalculationofEarningsLossPerShareDetails" roleURI="http://indivior.com/role/EarningsPerShareCalculationofEarningsLossPerShareDetails">
        <link:definition>9955536 - Disclosure - Earnings Per Share - Calculation of Earnings (Loss) Per Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareNarrativeDetails" roleURI="http://indivior.com/role/EarningsPerShareNarrativeDetails">
        <link:definition>9955537 - Disclosure - Earnings Per Share - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareBasedPaymentsNarrativeDetails" roleURI="http://indivior.com/role/ShareBasedPaymentsNarrativeDetails">
        <link:definition>9955538 - Disclosure - Share-Based Payments - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareBasedPaymentsCompensationExpenseandIncomeTaxBenefitsforShareBasedPaymentsDetails" roleURI="http://indivior.com/role/ShareBasedPaymentsCompensationExpenseandIncomeTaxBenefitsforShareBasedPaymentsDetails">
        <link:definition>9955539 - Disclosure - Share-Based Payments - Compensation Expense and Income Tax Benefits for Share-Based Payments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareBasedPaymentsShareAwardActivityDetails" roleURI="http://indivior.com/role/ShareBasedPaymentsShareAwardActivityDetails">
        <link:definition>9955540 - Disclosure - Share-Based Payments - Share Award Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsandContingenciesDetails" roleURI="http://indivior.com/role/CommitmentsandContingenciesDetails">
        <link:definition>9955541 - Disclosure - Commitments and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringNarrativeDetails" roleURI="http://indivior.com/role/RestructuringNarrativeDetails">
        <link:definition>9955542 - Disclosure - Restructuring - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RestructuringImpairmentChargesProvisionsWriteDownsandOtherChargesDetails" roleURI="http://indivior.com/role/RestructuringImpairmentChargesProvisionsWriteDownsandOtherChargesDetails">
        <link:definition>9955543 - Disclosure - Restructuring - Impairment Charges, Provisions, Write Downs and Other Charges (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevisionofPreviouslyIssuedFinancialStatementsConsolidatedBalanceSheetsDetails" roleURI="http://indivior.com/role/RevisionofPreviouslyIssuedFinancialStatementsConsolidatedBalanceSheetsDetails">
        <link:definition>9955544 - Disclosure - Revision of Previously Issued Financial Statements - Consolidated Balance Sheets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevisionofPreviouslyIssuedFinancialStatementsConsolidatedStatementsofOperationsandSelectedQuarterlyFinancialDataDetails" roleURI="http://indivior.com/role/RevisionofPreviouslyIssuedFinancialStatementsConsolidatedStatementsofOperationsandSelectedQuarterlyFinancialDataDetails">
        <link:definition>9955545 - Disclosure - Revision of Previously Issued Financial Statements - Consolidated Statements of Operations and Selected Quarterly Financial Data (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevisionofPreviouslyIssuedFinancialStatementsConsolidatedStatementsofCashFlowsDetails" roleURI="http://indivior.com/role/RevisionofPreviouslyIssuedFinancialStatementsConsolidatedStatementsofCashFlowsDetails">
        <link:definition>9955546 - Disclosure - Revision of Previously Issued Financial Statements - Consolidated Statements of Cash Flows (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsDetails" roleURI="http://indivior.com/role/SubsequentEventsDetails">
        <link:definition>9955547 - Disclosure - Subsequent Events (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="indv_EarningsPerShareBasicAndDilutedEPSAbstract" abstract="true" name="EarningsPerShareBasicAndDilutedEPSAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="indv_ShareRepurchaseCommitment" abstract="false" name="ShareRepurchaseCommitment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="indv_ShareRepurchaseCommitmentMember" abstract="true" name="ShareRepurchaseCommitmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_ShareRepurchaseLiabilityIncreaseDecreaseInEquity" abstract="false" name="ShareRepurchaseLiabilityIncreaseDecreaseInEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="indv_IncreaseDecreaseInEstimatedLitigationLiability" abstract="false" name="IncreaseDecreaseInEstimatedLitigationLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="indv_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_SublocadeMember" abstract="true" name="SublocadeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_SublingualAndOtherMember" abstract="true" name="SublingualAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_OPVEEMember" abstract="true" name="OPVEEMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_PerserisMember" abstract="true" name="PerserisMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_InventoryRawMaterialsAndSuppliesNetOfReservesCurrentAndNoncurrent" abstract="false" name="InventoryRawMaterialsAndSuppliesNetOfReservesCurrentAndNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="indv_TotalInventoriesNetCurrentAndNoncurrent" abstract="false" name="TotalInventoriesNetCurrentAndNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="indv_DiscontinuationOfOPVEESalesAndMarketingSupportMember" abstract="true" name="DiscontinuationOfOPVEESalesAndMarketingSupportMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_PlantAndEquipmentMember" abstract="true" name="PlantAndEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_CorporateInitiativesPlanMember" abstract="true" name="CorporateInitiativesPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_DepartmentOfJusticeMember" abstract="true" name="DepartmentOfJusticeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_AntitrustClaimsMember" abstract="true" name="AntitrustClaimsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_OpioidLitigationMember" abstract="true" name="OpioidLitigationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_OtherLitigationMember" abstract="true" name="OtherLitigationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_NotePurchaseAgreementMember" abstract="true" name="NotePurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_RestrictedStockAndPerformanceSharesMember" abstract="true" name="RestrictedStockAndPerformanceSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_ShareBasedPaymentArrangementNumberOfPlans" abstract="false" name="ShareBasedPaymentArrangementNumberOfPlans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="indv_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCanceledForfeitedOrAdjustedInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCanceledForfeitedOrAdjustedInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="indv_CivilOpioidLitigationMDLMember" abstract="true" name="CivilOpioidLitigationMDLMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_CivilOpioidLitigationMDLCitiesAndCountiesMember" abstract="true" name="CivilOpioidLitigationMDLCitiesAndCountiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_CivilOpioidLitigationMDLPrivatePlaintiffsMember" abstract="true" name="CivilOpioidLitigationMDLPrivatePlaintiffsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_CivilOpioidLitigationMember" abstract="true" name="CivilOpioidLitigationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_CivilOpioidLitigationOtherMember" abstract="true" name="CivilOpioidLitigationOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_DentalAllegationsMDLMember" abstract="true" name="DentalAllegationsMDLMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_DentalAllegationsMDLScheduleAMember" abstract="true" name="DentalAllegationsMDLScheduleAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_DentalAllegationsStateCourtMember" abstract="true" name="DentalAllegationsStateCourtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_LossContingencyPendingClaimsPercentage" abstract="false" name="LossContingencyPendingClaimsPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="indv_LossContingencyTolledClaimsNumberOfIndividuals" abstract="false" name="LossContingencyTolledClaimsNumberOfIndividuals" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="indv_HullUKCanadaAustraliaFranceAndGermanyMember" abstract="true" name="HullUKCanadaAustraliaFranceAndGermanyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="indv_RevenueFromContractWithCustomerAnnualForecastNonUSPercentage" abstract="false" name="RevenueFromContractWithCustomerAnnualForecastNonUSPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
</xs:schema>
