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>0001985954</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001329394</issuerCik>
        <issuerName>Silicon Motion Technology CORP</issuerName>
        <secFileNumber>000-51380</secFileNumber>
        <issuerAddress>
          <com:street1>FLAT C, 19/F, WING CHEONG COMMERCIAL BLD</com:street1>
          <com:street2>NOS 19-25 JERVOIS STREET</com:street2>
          <com:city>HONG KONG ISLAND</com:city>
          <com:stateOrCountry>K3</com:stateOrCountry>
          <com:zipCode>000</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>852 2307 4768</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Fan Robert</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>245 Summer Street</com:street1>
            <com:city>Boston</com:city>
            <com:stateOrCountry>MA</com:stateOrCountry>
            <com:zipCode>02110</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>1000</noOfUnitsSold>
        <aggregateMarketValue>60320.00</aggregateMarketValue>
        <noOfUnitsOutstanding>133675940</noOfUnitsOutstanding>
        <approxSaleDate>12/18/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>11/30/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Open market</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>500</amountOfSecuritiesAcquired>
        <paymentDate>11/30/2021</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>08/23/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Open market</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>500</amountOfSecuritiesAcquired>
        <paymentDate>08/23/2021</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>Shares sold for the following trust account(s): Fan Living Trust</remarks>
      <noticeSignature>
        <noticeDate>12/18/2024</noticeDate>
        <signature>/s/ Heather Foxworth as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Fan Robert</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001985954
  XXXXXXXX
  LIVE
  0001329394
  Silicon Motion Technology CORP
  000-51380
  FLAT C, 19/F, WING CHEONG COMMERCIAL BLD
  NOS 19-25 JERVOIS STREET
  HONG KONG ISLAND
  K3
  000
  852 2307 4768
  Fan Robert
  Officer
  Common
  Fidelity Brokerage Services LLC
  245 Summer Street
  Boston
  MA
  02110
  1000
  60320.00
  133675940
  12/18/2024
  NASDAQ
  Common
  11/30/2021
  Open market
  Issuer
  N
  500
  11/30/2021
  N/A
  Common
  08/23/2021
  Open market
  Issuer
  N
  500
  08/23/2021
  N/A
  Y
  Shares sold for the following trust account(s): Fan Living Trust
  12/18/2024
  /s/ Heather Foxworth as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Fan Robert