content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001316065</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000707549</issuerCik>
        <issuerName>LAM RESEARCH CORP</issuerName>
        <secFileNumber>000-12933</secFileNumber>
        <issuerAddress>
          <com:street1>4650 CUSHING BLVD</com:street1>
          <com:city>FREMONT</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94538</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>5106590200</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>TALWALKAR ABHIJIT Y</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>882</noOfUnitsSold>
        <aggregateMarketValue>553675.50</aggregateMarketValue>
        <noOfUnitsOutstanding>132511701</noOfUnitsOutstanding>
        <approxSaleDate>10/02/2023</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/18/2014</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>438</amountOfSecuritiesAcquired>
        <paymentDate>05/18/2014</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>10/31/2018</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>4</amountOfSecuritiesAcquired>
        <paymentDate>10/31/2018</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>10/31/2019</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>103</amountOfSecuritiesAcquired>
        <paymentDate>10/31/2019</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>10/31/2020</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>337</amountOfSecuritiesAcquired>
        <paymentDate>10/31/2020</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Abhijit Talwalker</name>
          <address>
            <com:street1>4650 Cushing Parkway</com:street1>
            <com:city>Fremont</com:city>
            <com:stateOrCountry>CA</com:stateOrCountry>
            <com:zipCode>94538</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>07/03/2023</saleDate>
        <amountOfSecuritiesSold>882</amountOfSecuritiesSold>
        <grossProceeds>567002.52</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>10/02/2023</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>10/25/2022</planAdoptionDate>
        </planAdoptionDates>
        <signature>/s/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Abhi Talwalkar</signature>
      </noticeSignature>
    </formData>
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text: 144
  0001316065
  XXXXXXXX
  LIVE
  0000707549
  LAM RESEARCH CORP
  000-12933
  4650 CUSHING BLVD
  FREMONT
  CA
  94538
  5106590200
  TALWALKAR ABHIJIT Y
  Director
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  882
  553675.50
  132511701
  10/02/2023
  NASDAQ
  Common
  05/18/2014
  Restricted Stock Vesting
  Issuer
  N
  438
  05/18/2014
  Compensation
  Common
  10/31/2018
  Restricted Stock Vesting
  Issuer
  N
  4
  10/31/2018
  Compensation
  Common
  10/31/2019
  Restricted Stock Vesting
  Issuer
  N
  103
  10/31/2019
  Compensation
  Common
  10/31/2020
  Restricted Stock Vesting
  Issuer
  N
  337
  10/31/2020
  Compensation
  N
  Abhijit Talwalker
  4650 Cushing Parkway
  Fremont
  CA
  94538
  Common
  07/03/2023
  882
  567002.52
  10/02/2023
  10/25/2022
  /s/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Abhi Talwalkar