<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001339076</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001451809</issuerCik>
      <issuerName>SITIME Corp</issuerName>
      <secFileNumber>001-39135</secFileNumber>
      <issuerAddress>
        <com:street1>SITIME CORPORATION</com:street1>
        <com:street2>5451 PATRICK HENRY DRIVE</com:street2>
        <com:city>SANTA CLARA</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>95054</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>408-328-4400</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>VASHIST RAJESH</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Stifel</name>
        <address>
          <com:street1>501 N Broadway</com:street1>
          <com:city>St Louis</com:city>
          <com:stateOrCountry>MO</com:stateOrCountry>
          <com:zipCode>63201</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>12000</noOfUnitsSold>
      <aggregateMarketValue>311017.00</aggregateMarketValue>
      <noOfUnitsOutstanding>22890000</noOfUnitsOutstanding>
      <approxSaleDate>12/12/2024</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>05/20/2021</acquiredDate>
      <natureOfAcquisitionTransaction>RSUs</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>SiTime Corp</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>12000</amountOfSecuritiesAcquired>
      <paymentDate>05/20/2021</paymentDate>
      <natureOfPayment>Net Exercise</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Rajesh Vashist</name>
        <address>
          <com:street1>26970 Orchard Hill Ln</com:street1>
          <com:city>Los Altos</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>09/19/2024</saleDate>
      <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
      <grossProceeds>3401410.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>12/12/2024</noticeDate>
      <signature>Rajesh Vashist</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
