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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e4282-a9dd-7e20-b7ef-0872df775676,g:7fe537a7-b537-42b2-a4e5-ecfcb4993fb0-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:lrcx="http://www.lamresearch.com/20260628" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.lamresearch.com/20260628">
  <xs:import namespace="http://fasb.org/srt/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2026" schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.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.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2026" schemaLocation="https://xbrl.sec.gov/country/2026/country-2026.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/cyd-af-sub/2026" schemaLocation="https://xbrl.sec.gov/cyd/2026/cyd-af-sub-2026.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2026" schemaLocation="https://xbrl.sec.gov/dei/2026/dei-2026.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/ecd/2026" schemaLocation="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/stpr/2026" schemaLocation="https://xbrl.sec.gov/stpr/2026/stpr-2026.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="lrcx-20260628_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="lrcx-20260628_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="lrcx-20260628_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="lrcx-20260628_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="CoverPage" roleURI="http://www.lamresearch.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="AuditInformation" roleURI="http://www.lamresearch.com/role/AuditInformation">
        <link:definition>0000002 - Document - Audit 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="CONSOLIDATEDSTATEMENTSOFOPERATIONS" roleURI="http://www.lamresearch.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS">
        <link:definition>9952151 - Statement - 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="CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME" roleURI="http://www.lamresearch.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME">
        <link:definition>9952152 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</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="CONSOLIDATEDBALANCESHEETS" roleURI="http://www.lamresearch.com/role/CONSOLIDATEDBALANCESHEETS">
        <link:definition>9952153 - Statement - 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="CONSOLIDATEDBALANCESHEETSParenthetical" roleURI="http://www.lamresearch.com/role/CONSOLIDATEDBALANCESHEETSParenthetical">
        <link:definition>9952154 - Statement - 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="CONSOLIDATEDSTATEMENTSOFCASHFLOWS" roleURI="http://www.lamresearch.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS">
        <link:definition>9952155 - Statement - 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="CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" roleURI="http://www.lamresearch.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY">
        <link:definition>9952156 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS&#8217; EQUITY</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="CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYParenthetical" roleURI="http://www.lamresearch.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYParenthetical">
        <link:definition>9952157 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS&#8217; EQUITY (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="CompanyandIndustryInformation" roleURI="http://www.lamresearch.com/role/CompanyandIndustryInformation">
        <link:definition>9952158 - Disclosure - Company and Industry 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="SummaryofSignificantAccountingPolicies" roleURI="http://www.lamresearch.com/role/SummaryofSignificantAccountingPolicies">
        <link:definition>9952159 - Disclosure - Summary of Significant Accounting 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="RecentAccountingPronouncements" roleURI="http://www.lamresearch.com/role/RecentAccountingPronouncements">
        <link:definition>9952160 - Disclosure - Recent Accounting Pronouncements</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="Revenue" roleURI="http://www.lamresearch.com/role/Revenue">
        <link:definition>9952161 - Disclosure - Revenue</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="EquitybasedCompensationPlan" roleURI="http://www.lamresearch.com/role/EquitybasedCompensationPlan">
        <link:definition>9952162 - Disclosure - Equity-based Compensation Plan</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="OtherIncomeExpenseNet" roleURI="http://www.lamresearch.com/role/OtherIncomeExpenseNet">
        <link:definition>9952163 - Disclosure - Other Income (Expense), 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="IncomeTaxes" roleURI="http://www.lamresearch.com/role/IncomeTaxes">
        <link:definition>9952164 - Disclosure - Income Taxes</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="NetIncomeperShare" roleURI="http://www.lamresearch.com/role/NetIncomeperShare">
        <link:definition>9952165 - Disclosure - Net Income 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="FinancialInstruments" roleURI="http://www.lamresearch.com/role/FinancialInstruments">
        <link:definition>9952166 - Disclosure - Financial Instruments</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://www.lamresearch.com/role/Inventories">
        <link:definition>9952167 - 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="PropertyandEquipment" roleURI="http://www.lamresearch.com/role/PropertyandEquipment">
        <link:definition>9952168 - Disclosure - Property and Equipment</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="GoodwillandIntangibleAssets" roleURI="http://www.lamresearch.com/role/GoodwillandIntangibleAssets">
        <link:definition>9952169 - Disclosure - Goodwill and Intangible Assets</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="AccruedExpensesandOtherCurrentLiabilities" roleURI="http://www.lamresearch.com/role/AccruedExpensesandOtherCurrentLiabilities">
        <link:definition>9952170 - Disclosure - Accrued Expenses and Other Current Liabilities</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="LongTermDebtandOtherBorrowings" roleURI="http://www.lamresearch.com/role/LongTermDebtandOtherBorrowings">
        <link:definition>9952171 - Disclosure - Long Term Debt and Other Borrowings</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="Leases" roleURI="http://www.lamresearch.com/role/Leases">
        <link:definition>9952172 - Disclosure - Leases</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="DeferredCompensationPlans" roleURI="http://www.lamresearch.com/role/DeferredCompensationPlans">
        <link:definition>9952173 - Disclosure - Deferred Compensation Plans</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://www.lamresearch.com/role/CommitmentsandContingencies">
        <link:definition>9952174 - 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="StockRepurchaseProgram" roleURI="http://www.lamresearch.com/role/StockRepurchaseProgram">
        <link:definition>9952175 - Disclosure - Stock Repurchase Program</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="SegmentGeographicInformationandMajorCustomers" roleURI="http://www.lamresearch.com/role/SegmentGeographicInformationandMajorCustomers">
        <link:definition>9952176 - Disclosure - Segment, Geographic Information and Major Customers</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="RestructuringChargesNet" roleURI="http://www.lamresearch.com/role/RestructuringChargesNet">
        <link:definition>9952177 - Disclosure - Restructuring Charges, 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="SummaryofSignificantAccountingPoliciesPolicies" roleURI="http://www.lamresearch.com/role/SummaryofSignificantAccountingPoliciesPolicies">
        <link:definition>9955511 - Disclosure - Summary of Significant Accounting Policies (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="RevenueTables" roleURI="http://www.lamresearch.com/role/RevenueTables">
        <link:definition>9955512 - Disclosure - Revenue (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="EquitybasedCompensationPlanTables" roleURI="http://www.lamresearch.com/role/EquitybasedCompensationPlanTables">
        <link:definition>9955513 - Disclosure - Equity-based Compensation Plan (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="OtherIncomeExpenseNetTables" roleURI="http://www.lamresearch.com/role/OtherIncomeExpenseNetTables">
        <link:definition>9955514 - Disclosure - Other Income (Expense), 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="IncomeTaxesTables" roleURI="http://www.lamresearch.com/role/IncomeTaxesTables">
        <link:definition>9955515 - Disclosure - Income Taxes (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="NetIncomeperShareTables" roleURI="http://www.lamresearch.com/role/NetIncomeperShareTables">
        <link:definition>9955516 - Disclosure - Net Income 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="FinancialInstrumentsTables" roleURI="http://www.lamresearch.com/role/FinancialInstrumentsTables">
        <link:definition>9955517 - Disclosure - Financial Instruments (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://www.lamresearch.com/role/InventoriesTables">
        <link:definition>9955518 - 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="PropertyandEquipmentTables" roleURI="http://www.lamresearch.com/role/PropertyandEquipmentTables">
        <link:definition>9955519 - Disclosure - Property and Equipment (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="AccruedExpensesandOtherCurrentLiabilitiesTables" roleURI="http://www.lamresearch.com/role/AccruedExpensesandOtherCurrentLiabilitiesTables">
        <link:definition>9955520 - Disclosure - Accrued Expenses and Other Current Liabilities (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="LongTermDebtandOtherBorrowingsTables" roleURI="http://www.lamresearch.com/role/LongTermDebtandOtherBorrowingsTables">
        <link:definition>9955521 - Disclosure - Long Term Debt and Other Borrowings (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="LeasesTables" roleURI="http://www.lamresearch.com/role/LeasesTables">
        <link:definition>9955522 - Disclosure - Leases (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="CommitmentsandContingenciesTables" roleURI="http://www.lamresearch.com/role/CommitmentsandContingenciesTables">
        <link:definition>9955523 - Disclosure - Commitments and Contingencies (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="StockRepurchaseProgramTables" roleURI="http://www.lamresearch.com/role/StockRepurchaseProgramTables">
        <link:definition>9955524 - Disclosure - Stock Repurchase Program (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="SegmentGeographicInformationandMajorCustomersTables" roleURI="http://www.lamresearch.com/role/SegmentGeographicInformationandMajorCustomersTables">
        <link:definition>9955525 - Disclosure - Segment, Geographic Information and Major Customers (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="SummaryofSignificantAccountingPoliciesDetails" roleURI="http://www.lamresearch.com/role/SummaryofSignificantAccountingPoliciesDetails">
        <link:definition>9955526 - Disclosure - Summary of Significant Accounting Policies (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="RevenueRevenuesDisaggregatedbyGeographicRegionandPrimaryMarketsDetails" roleURI="http://www.lamresearch.com/role/RevenueRevenuesDisaggregatedbyGeographicRegionandPrimaryMarketsDetails">
        <link:definition>9955527 - Disclosure - Revenue - Revenues Disaggregated by Geographic Region and Primary Markets (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="RevenueAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/RevenueAdditionalInformationDetails">
        <link:definition>9955528 - Disclosure - Revenue - Additional Information (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="RevenueScheduleofSystemRevenuesofPrimaryMarketsDetails" roleURI="http://www.lamresearch.com/role/RevenueScheduleofSystemRevenuesofPrimaryMarketsDetails">
        <link:definition>9955529 - Disclosure - Revenue - Schedule of System Revenues of Primary Markets (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="RevenueScheduleofContractTransactionPricenotyetRecognizedasRevenueDetails" roleURI="http://www.lamresearch.com/role/RevenueScheduleofContractTransactionPricenotyetRecognizedasRevenueDetails">
        <link:definition>9955530 - Disclosure - Revenue - Schedule of Contract Transaction Price not yet Recognized as Revenue (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="RevenueScheduleofContractTransactionPricenotyetRecognizedasRevenueDetails_1" roleURI="http://www.lamresearch.com/role/RevenueScheduleofContractTransactionPricenotyetRecognizedasRevenueDetails_1">
        <link:definition>9955530 - Disclosure - Revenue - Schedule of Contract Transaction Price not yet Recognized as Revenue (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="EquitybasedCompensationPlanAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/EquitybasedCompensationPlanAdditionalInformationDetails">
        <link:definition>9955531 - Disclosure - Equity-based Compensation Plan - Additional Information (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="EquitybasedCompensationPlanRecognizedEquityBasedCompensationExpensesandBenefitsDetails" roleURI="http://www.lamresearch.com/role/EquitybasedCompensationPlanRecognizedEquityBasedCompensationExpensesandBenefitsDetails">
        <link:definition>9955532 - Disclosure - Equity-based Compensation Plan - Recognized Equity Based Compensation Expenses and 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="EquitybasedCompensationPlanScheduleofStockPlanActivityDetails" roleURI="http://www.lamresearch.com/role/EquitybasedCompensationPlanScheduleofStockPlanActivityDetails">
        <link:definition>9955533 - Disclosure - Equity-based Compensation Plan - Schedule of Stock Plan 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="OtherIncomeExpenseNetSignificantComponentsofIncomeExpenseNetDetails" roleURI="http://www.lamresearch.com/role/OtherIncomeExpenseNetSignificantComponentsofIncomeExpenseNetDetails">
        <link:definition>9955534 - Disclosure - Other Income (Expense), Net - Significant Components of Income (Expense), 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="OtherIncomeExpenseNetAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/OtherIncomeExpenseNetAdditionalInformationDetails">
        <link:definition>9955535 - Disclosure - Other Income (Expense), Net - Additional Information (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="IncomeTaxesIncomeLossBeforeIncomeTaxesDetails" roleURI="http://www.lamresearch.com/role/IncomeTaxesIncomeLossBeforeIncomeTaxesDetails">
        <link:definition>9955536 - Disclosure - Income Taxes - Income (Loss) Before Income Taxes (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="IncomeTaxesProvisionBenefitforIncomeTaxesDetails" roleURI="http://www.lamresearch.com/role/IncomeTaxesProvisionBenefitforIncomeTaxesDetails">
        <link:definition>9955537 - Disclosure - Income Taxes - Provision (Benefit) for Income Taxes (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="IncomeTaxesComponentsofNetDeferredTaxAssetsDetails" roleURI="http://www.lamresearch.com/role/IncomeTaxesComponentsofNetDeferredTaxAssetsDetails">
        <link:definition>9955538 - Disclosure - Income Taxes - Components of Net Deferred Tax Assets (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="IncomeTaxesAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/IncomeTaxesAdditionalInformationDetails">
        <link:definition>9955539 - Disclosure - Income Taxes - Additional Information (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="IncomeTaxesReconciliationofIncomeTaxExpenseProvidedatFederalStatutoryRatetoActualIncomeExpense2026Details" roleURI="http://www.lamresearch.com/role/IncomeTaxesReconciliationofIncomeTaxExpenseProvidedatFederalStatutoryRatetoActualIncomeExpense2026Details">
        <link:definition>9955540 - Disclosure - Income Taxes - Reconciliation of Income Tax Expense Provided at Federal Statutory Rate to Actual Income Expense 2026 (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="IncomeTaxesReconciliationofIncomeTaxExpenseProvidedatFederalStatutoryRatetoActualIncomeExpense2025and2024Details" roleURI="http://www.lamresearch.com/role/IncomeTaxesReconciliationofIncomeTaxExpenseProvidedatFederalStatutoryRatetoActualIncomeExpense2025and2024Details">
        <link:definition>9955541 - Disclosure - Income Taxes - Reconciliation of Income Tax Expense Provided at Federal Statutory Rate to Actual Income Expense 2025 and 2024 (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="IncomeTaxesChangesinBalanceofGrossUnrecognizedTaxBenefitsDetails" roleURI="http://www.lamresearch.com/role/IncomeTaxesChangesinBalanceofGrossUnrecognizedTaxBenefitsDetails">
        <link:definition>9955542 - Disclosure - Income Taxes - Changes in Balance of Gross 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="IncomeTaxesScheduleofReconciliationOfIncomeTaxesPaidNetOfRefundsReceivedDetails" roleURI="http://www.lamresearch.com/role/IncomeTaxesScheduleofReconciliationOfIncomeTaxesPaidNetOfRefundsReceivedDetails">
        <link:definition>9955543 - Disclosure - Income Taxes - Schedule of Reconciliation Of Income Taxes Paid (Net Of Refunds Received) (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="NetIncomeperShareDetails" roleURI="http://www.lamresearch.com/role/NetIncomeperShareDetails">
        <link:definition>9955544 - Disclosure - Net Income 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="FinancialInstrumentsScheduleofCashCashEquivalentsInvestmentsandOtherAssetsMeasuredatFairValueonRecurringBasisDetails" roleURI="http://www.lamresearch.com/role/FinancialInstrumentsScheduleofCashCashEquivalentsInvestmentsandOtherAssetsMeasuredatFairValueonRecurringBasisDetails">
        <link:definition>9955545 - Disclosure - Financial Instruments - Schedule of Cash, Cash Equivalents, Investments, and Other Assets Measured at Fair Value on Recurring Basis (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="FinancialInstrumentsAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/FinancialInstrumentsAdditionalInformationDetails">
        <link:definition>9955546 - Disclosure - Financial Instruments - Additional Information (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="InventoriesDetails" roleURI="http://www.lamresearch.com/role/InventoriesDetails">
        <link:definition>9955547 - Disclosure - 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="PropertyandEquipmentScheduleofPropertyandEquipmentNetDetails" roleURI="http://www.lamresearch.com/role/PropertyandEquipmentScheduleofPropertyandEquipmentNetDetails">
        <link:definition>9955548 - Disclosure - Property and Equipment - Schedule of Property 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="PropertyandEquipmentAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/PropertyandEquipmentAdditionalInformationDetails">
        <link:definition>9955549 - Disclosure - Property and Equipment - Additional Information (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="GoodwillandIntangibleAssetsDetails" roleURI="http://www.lamresearch.com/role/GoodwillandIntangibleAssetsDetails">
        <link:definition>9955550 - Disclosure - Goodwill and Intangible Assets (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="AccruedExpensesandOtherCurrentLiabilitiesDetails" roleURI="http://www.lamresearch.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails">
        <link:definition>9955551 - Disclosure - Accrued Expenses and Other Current Liabilities (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="LongTermDebtandOtherBorrowingsScheduleofOutstandingDebtDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtandOtherBorrowingsScheduleofOutstandingDebtDetails">
        <link:definition>9955552 - Disclosure - Long Term Debt and Other Borrowings - Schedule of Outstanding 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="LongTermDebtandOtherBorrowingsScheduleofOutstandingDebtDetails_1" roleURI="http://www.lamresearch.com/role/LongTermDebtandOtherBorrowingsScheduleofOutstandingDebtDetails_1">
        <link:definition>9955552 - Disclosure - Long Term Debt and Other Borrowings - Schedule of Outstanding 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="LongTermDebtandOtherBorrowingsScheduleofContractualCashObligationsDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtandOtherBorrowingsScheduleofContractualCashObligationsDetails">
        <link:definition>9955553 - Disclosure - Long Term Debt and Other Borrowings - Schedule of Contractual Cash Obligations (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="LongTermDebtandOtherBorrowingsSeniorNotesAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtandOtherBorrowingsSeniorNotesAdditionalInformationDetails">
        <link:definition>9955554 - Disclosure - Long Term Debt and Other Borrowings - Senior Notes Additional Information (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="LongTermDebtandOtherBorrowingsScheduleofAdditionalSeniorNotesInformationDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtandOtherBorrowingsScheduleofAdditionalSeniorNotesInformationDetails">
        <link:definition>9955555 - Disclosure - Long Term Debt and Other Borrowings - Schedule of Additional Senior Notes Information (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="LongTermDebtandOtherBorrowingsRevolvingCreditFacilityAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtandOtherBorrowingsRevolvingCreditFacilityAdditionalInformationDetails">
        <link:definition>9955556 - Disclosure - Long Term Debt and Other Borrowings - Revolving Credit Facility Additional Information (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="LongTermDebtandOtherBorrowingsCommercialPaperProgramAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtandOtherBorrowingsCommercialPaperProgramAdditionalInformationDetails">
        <link:definition>9955557 - Disclosure - Long Term Debt and Other Borrowings - Commercial Paper Program Additional Information (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="LongTermDebtandOtherBorrowingsScheduleofRecognizedInterestCostDetails" roleURI="http://www.lamresearch.com/role/LongTermDebtandOtherBorrowingsScheduleofRecognizedInterestCostDetails">
        <link:definition>9955558 - Disclosure - Long Term Debt and Other Borrowings - Schedule of Recognized Interest Cost (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="LeasesAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/LeasesAdditionalInformationDetails">
        <link:definition>9955559 - Disclosure - Leases - Additional Information (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="LeasesSupplementalCashFlowsDetails" roleURI="http://www.lamresearch.com/role/LeasesSupplementalCashFlowsDetails">
        <link:definition>9955560 - Disclosure - Leases - Supplemental 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="LeasesSupplementalBalanceSheetDetails" roleURI="http://www.lamresearch.com/role/LeasesSupplementalBalanceSheetDetails">
        <link:definition>9955561 - Disclosure - Leases - Supplemental Balance Sheet (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="LeasesWeightedAverageRemainingLeaseTermandDiscountRateDetails" roleURI="http://www.lamresearch.com/role/LeasesWeightedAverageRemainingLeaseTermandDiscountRateDetails">
        <link:definition>9955562 - Disclosure - Leases - Weighted-Average Remaining Lease Term and Discount Rate (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="LeasesOperatingLeaseLiabilityDetails" roleURI="http://www.lamresearch.com/role/LeasesOperatingLeaseLiabilityDetails">
        <link:definition>9955563 - Disclosure - Leases - Operating Lease Liability (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="LeasesOperatingLeaseLiabilityDetails_1" roleURI="http://www.lamresearch.com/role/LeasesOperatingLeaseLiabilityDetails_1">
        <link:definition>9955563 - Disclosure - Leases - Operating Lease Liability (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="DeferredCompensationPlansDetails" roleURI="http://www.lamresearch.com/role/DeferredCompensationPlansDetails">
        <link:definition>9955564 - Disclosure - Deferred Compensation Plans (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="CommitmentsandContingenciesAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/CommitmentsandContingenciesAdditionalInformationDetails">
        <link:definition>9955565 - Disclosure - Commitments and Contingencies -Additional Information (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="CommitmentsandContingenciesAdditionalInformationDetails_1" roleURI="http://www.lamresearch.com/role/CommitmentsandContingenciesAdditionalInformationDetails_1">
        <link:definition>9955565 - Disclosure - Commitments and Contingencies -Additional Information (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="CommitmentsandContingenciesPurchaseCommitmentsDetails" roleURI="http://www.lamresearch.com/role/CommitmentsandContingenciesPurchaseCommitmentsDetails">
        <link:definition>9955566 - Disclosure - Commitments and Contingencies - Purchase Commitments (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="CommitmentsandContingenciesScheduleofChangesinProductWarrantyReservesDetails" roleURI="http://www.lamresearch.com/role/CommitmentsandContingenciesScheduleofChangesinProductWarrantyReservesDetails">
        <link:definition>9955567 - Disclosure - Commitments and Contingencies - Schedule of Changes in Product Warranty Reserves (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="StockRepurchaseProgramAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/StockRepurchaseProgramAdditionalInformationDetails">
        <link:definition>9955568 - Disclosure - Stock Repurchase Program - Additional Information (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="StockRepurchaseProgramScheduleofRepurchasesunderRepurchaseProgramDetails" roleURI="http://www.lamresearch.com/role/StockRepurchaseProgramScheduleofRepurchasesunderRepurchaseProgramDetails">
        <link:definition>9955569 - Disclosure - Stock Repurchase Program - Schedule of Repurchases under Repurchase Program (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="SegmentGeographicInformationandMajorCustomersAdditionalInformationDetails" roleURI="http://www.lamresearch.com/role/SegmentGeographicInformationandMajorCustomersAdditionalInformationDetails">
        <link:definition>9955570 - Disclosure - Segment, Geographic Information and Major Customers - Additional Information (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="SegmentGeographicInformationandMajorCustomersScheduleofReportableSegmenttoIncomeBeforeIncomeTaxesDetails" roleURI="http://www.lamresearch.com/role/SegmentGeographicInformationandMajorCustomersScheduleofReportableSegmenttoIncomeBeforeIncomeTaxesDetails">
        <link:definition>9955571 - Disclosure - Segment, Geographic Information and Major Customers - Schedule of Reportable Segment to Income Before Income Taxes (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="SegmentGeographicInformationandMajorCustomersScheduleofRevenuesandLonglivedAssetsbyGeographicRegionDetails" roleURI="http://www.lamresearch.com/role/SegmentGeographicInformationandMajorCustomersScheduleofRevenuesandLonglivedAssetsbyGeographicRegionDetails">
        <link:definition>9955572 - Disclosure - Segment, Geographic Information and Major Customers - Schedule of Revenues and Long-lived Assets by Geographic Region (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="RestructuringChargesNetDetails" roleURI="http://www.lamresearch.com/role/RestructuringChargesNetDetails">
        <link:definition>9955573 - Disclosure - Restructuring Charges, Net (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="lrcx_AuditorInformationAbstract" abstract="true" name="AuditorInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lrcx_CostOfGoodsAndServicesSoldExcludingRestructuringCharges" abstract="false" name="CostOfGoodsAndServicesSoldExcludingRestructuringCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_RestructuringChargesCostOfGoodsNet" abstract="false" name="RestructuringChargesCostOfGoodsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_RestructuringChargesOperatingExpenseNet" abstract="false" name="RestructuringChargesOperatingExpenseNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_TransferOfInventoryToPropertyAndEquipment" abstract="false" name="TransferOfInventoryToPropertyAndEquipment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_TreasuryStockReissuedShares" abstract="false" name="TreasuryStockReissuedShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lrcx_TreasuryStockReissuedValue" abstract="false" name="TreasuryStockReissuedValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_ScheduleOfInterestCostRecognizedRelatingToBothContractualInterestCouponAndAmortizationOfDiscountTableTableTextBlock" abstract="false" name="ScheduleOfInterestCostRecognizedRelatingToBothContractualInterestCouponAndAmortizationOfDiscountTableTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="lrcx_AssetsAndLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="lrcx_SystemMember" abstract="true" name="SystemMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_CustomerSupportandOtherMember" abstract="true" name="CustomerSupportandOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_NumberOfPrimaryMarkets" abstract="false" name="NumberOfPrimaryMarkets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lrcx_ContractWithCustomerLiabilityRevenueRecognizedPercentage" abstract="false" name="ContractWithCustomerLiabilityRevenueRecognizedPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lrcx_FoundryMember" abstract="true" name="FoundryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_MemoryMember" abstract="true" name="MemoryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_LogicIntegratedDeviceManufacturingMember" abstract="true" name="LogicIntegratedDeviceManufacturingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_A2015StockIncentivePlanAnd2025StockIncentivePlanStockPlansMember" abstract="true" name="A2015StockIncentivePlanAnd2025StockIncentivePlanStockPlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_ServicebasedRestrictedStockUnitsMember" abstract="true" name="ServicebasedRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_MarketBasedPerformanceRestrictedStockUnitsPRSuMember" abstract="true" name="MarketBasedPerformanceRestrictedStockUnitsPRSuMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_TotalShareholderReturnTypeAxis" abstract="true" name="TotalShareholderReturnTypeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="lrcx_TotalShareholderReturnTypeDomain" abstract="true" name="TotalShareholderReturnTypeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_NegativeTotalShareholderReturnMember" abstract="true" name="NegativeTotalShareholderReturnMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfValuationTradingDays" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfValuationTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lrcx_ChangeInPercentageOfTargetShares" abstract="false" name="ChangeInPercentageOfTargetShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lrcx_ChangeInPercentageOfCommonStockPriceOverMarketPricePerformance" abstract="false" name="ChangeInPercentageOfCommonStockPriceOverMarketPricePerformance" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lrcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOfferingPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOfferingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lrcx_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfInterimPurchaseDates" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfInterimPurchaseDates" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lrcx_GainLossOnDeferredCompensationPlanAssets" abstract="false" name="GainLossOnDeferredCompensationPlanAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_OtherNonOperatingIncomeExpenseOtherNet" abstract="false" name="OtherNonOperatingIncomeExpenseOtherNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_ThreePointEightZeroPercentSeniorNotesDueTwoThousandTwentyFiveMember" abstract="true" name="ThreePointEightZeroPercentSeniorNotesDueTwoThousandTwentyFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_DeferredTaxAssetsOperatingLeaseLiabilities" abstract="false" name="DeferredTaxAssetsOperatingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_DeferredTaxLiabilitiesCapitalAssets" abstract="false" name="DeferredTaxLiabilitiesCapitalAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_DeferredTaxLiabilitiesRightOfUseAssets" abstract="false" name="DeferredTaxLiabilitiesRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_IncomeTaxesTable" abstract="true" name="IncomeTaxesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="lrcx_IncomeTaxesLineItems" abstract="true" name="IncomeTaxesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lrcx_TaxIncentiveTerm" abstract="false" name="TaxIncentiveTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lrcx_TaxIncentiveIncomeTaxImpact" abstract="false" name="TaxIncentiveIncomeTaxImpact" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_DilutedEarningsPerShareTaxIncentiveBenefit" abstract="false" name="DilutedEarningsPerShareTaxIncentiveBenefit" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="lrcx_EffectiveIncomeTaxRateReconciliationIncentiveAgreementAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationIncentiveAgreementAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_EffectiveIncomeTaxRateReconciliationSubpartFIncomeAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationSubpartFIncomeAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_EffectiveIncomeTaxRateReconciliationIncentiveAgreementPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationIncentiveAgreementPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="lrcx_EffectiveIncomeTaxRateReconciliationSubpartFIncomePercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationSubpartFIncomePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="lrcx_FinancialInstrumentsTable" abstract="true" name="FinancialInstrumentsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="lrcx_CustomerOneMember" abstract="true" name="CustomerOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_CustomerTwoMember" abstract="true" name="CustomerTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_CustomerThreeMember" abstract="true" name="CustomerThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_CustomerFourMember" abstract="true" name="CustomerFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_Customer5Member" abstract="true" name="Customer5Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_FinancialInstrumentsLineItems" abstract="true" name="FinancialInstrumentsLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lrcx_ThreePointOneTwoFivePercentSeniorNotesDueTwoThousandSixtyMember" abstract="true" name="ThreePointOneTwoFivePercentSeniorNotesDueTwoThousandSixtyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_TwoPointEightSevenFivePercentSeniorNotesDueTwoThousandFiftyMember" abstract="true" name="TwoPointEightSevenFivePercentSeniorNotesDueTwoThousandFiftyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_FourPointEightSevenFivePercentSeniorNotesDueTwoThousandFortyNineMember" abstract="true" name="FourPointEightSevenFivePercentSeniorNotesDueTwoThousandFortyNineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_OnePointNineZeroPercentSeniorNotesDueTwoThousandThirtyMember" abstract="true" name="OnePointNineZeroPercentSeniorNotesDueTwoThousandThirtyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_FourPointZeroPercentSeniorNotesDueTwoThousandTwentyNineMember" abstract="true" name="FourPointZeroPercentSeniorNotesDueTwoThousandTwentyNineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_ThreePointSevenFivePercentSeniorNotesDueTwoThousandTwentySixMember" abstract="true" name="ThreePointSevenFivePercentSeniorNotesDueTwoThousandTwentySixMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_DebtLongtermGrossAndShorttermCombinedAmount" abstract="false" name="DebtLongtermGrossAndShorttermCombinedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_LongTermDebtMaturitiesRepaymentsOfInterestAbstract" abstract="true" name="LongTermDebtMaturitiesRepaymentsOfInterestAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lrcx_LongTermDebtInterestYearOne" abstract="false" name="LongTermDebtInterestYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_LongTermDebtInterestYearTwo" abstract="false" name="LongTermDebtInterestYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_LongTermDebtInterestYearThree" abstract="false" name="LongTermDebtInterestYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_LongTermDebtInterestYearFour" abstract="false" name="LongTermDebtInterestYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_LongTermDebtInterestYearFive" abstract="false" name="LongTermDebtInterestYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_LongTermDebtInterestAfterYearFive" abstract="false" name="LongTermDebtInterestAfterYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_LongTermDebtInterest" abstract="false" name="LongTermDebtInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_LineofCreditFacilityAdditionalBorrowingCapacityExpansion" abstract="false" name="LineofCreditFacilityAdditionalBorrowingCapacityExpansion" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_LineOfCreditFacilityMaximumBorrowingCapacityIncludingExpansionOption" abstract="false" name="LineOfCreditFacilityMaximumBorrowingCapacityIncludingExpansionOption" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_ContractualInterestCoupon" abstract="false" name="ContractualInterestCoupon" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_AmortizationOfFairValueOfInterestRateCashFlowHedgeDuringPeriod" abstract="false" name="AmortizationOfFairValueOfInterestRateCashFlowHedgeDuringPeriod" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_CashFlowLesseeAbstract" abstract="true" name="CashFlowLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lrcx_RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract" abstract="true" name="RightOfUseAssetsObtainedInExchangeForLeaseObligationsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lrcx_DeferredCompensationPaymentWaitingPeriod" abstract="false" name="DeferredCompensationPaymentWaitingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lrcx_DeferredCompensationArrangementMaximumDistributionPeriod" abstract="false" name="DeferredCompensationArrangementMaximumDistributionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lrcx_AssetsCorrelatedToDeferredCompensationObligation" abstract="false" name="AssetsCorrelatedToDeferredCompensationObligation" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_TaxCutsAndJobsActTransitionTaxAdjustment" abstract="false" name="TaxCutsAndJobsActTransitionTaxAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_AcceleratedShareRepurchaseAgreementMember" abstract="true" name="AcceleratedShareRepurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_April2025AcceleratedShareRepurchaseAgreementMember" abstract="true" name="April2025AcceleratedShareRepurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_StockRepurchaseProgramIncreaseInAuthorizedAmount" abstract="false" name="StockRepurchaseProgramIncreaseInAuthorizedAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_AcceleratedShareRepurchasesRatioOfPrepaymentAmountToClosingStockPrice" abstract="false" name="AcceleratedShareRepurchasesRatioOfPrepaymentAmountToClosingStockPrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lrcx_NumberOfFinancialInstitutions" abstract="false" name="NumberOfFinancialInstitutions" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lrcx_AcceleratedShareRepurchasesAuthorizedAmount" abstract="false" name="AcceleratedShareRepurchasesAuthorizedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_StockRepurchaseProgramMember" abstract="true" name="StockRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_SharesAcquiredAverageCostPerShareExcludingAcceleratedShareRepurchases" abstract="false" name="SharesAcquiredAverageCostPerShareExcludingAcceleratedShareRepurchases" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="lrcx_NumberOfOperatingGeographicRegions" abstract="false" name="NumberOfOperatingGeographicRegions" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lrcx_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_EliminationsAndReconcilingItemsMember" abstract="true" name="EliminationsAndReconcilingItemsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_InstallationAndWarrantyExpense" abstract="false" name="InstallationAndWarrantyExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_CostOfProductAndServiceSoldOther" abstract="false" name="CostOfProductAndServiceSoldOther" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_SegmentReportingCostOfProductAndServiceSold" abstract="false" name="SegmentReportingCostOfProductAndServiceSold" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_SegmentReportingGrossProfit" abstract="false" name="SegmentReportingGrossProfit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lrcx_SouthEastAsiaMember" abstract="true" name="SouthEastAsiaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_AvaA.HarterMember" abstract="true" name="AvaA.HarterMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lrcx_SeshasayeeSeshaVaradarajanMember" abstract="true" name="SeshasayeeSeshaVaradarajanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
