<?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>0001834988</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001315098</issuerCik>
      <issuerName>Roblox Corp</issuerName>
      <secFileNumber>001-39763</secFileNumber>
      <issuerAddress>
        <com:street1>3150 SOUTH DELAWARE STREET</com:street1>
        <com:city>SAN MATEO</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>94403</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>(888) 858-2569</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Lee Anthony P</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</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>66000</noOfUnitsSold>
      <aggregateMarketValue>5803927.80</aggregateMarketValue>
      <noOfUnitsOutstanding>629990658</noOfUnitsOutstanding>
      <approxSaleDate>06/02/2025</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>01/31/2025</acquiredDate>
      <natureOfAcquisitionTransaction>Fund Distribution</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Altos Ventures</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>66000</amountOfSecuritiesAcquired>
      <paymentDate>01/31/2025</paymentDate>
      <natureOfPayment>n/a</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Anthony Patrick Lee</name>
        <address>
          <com:street1>970 PARK PLACE,</com:street1>
          <com:city>SAN MATEO</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94403</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>04/01/2025</saleDate>
      <amountOfSecuritiesSold>21200</amountOfSecuritiesSold>
      <grossProceeds>1300963.44</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Anthony Patrick Lee</name>
        <address>
          <com:street1>970 PARK PLACE</com:street1>
          <com:city>SAN MATEO</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94403</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>05/06/2025</saleDate>
      <amountOfSecuritiesSold>57200</amountOfSecuritiesSold>
      <grossProceeds>4004406.12</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Anthony Patrick Lee</name>
        <address>
          <com:street1>970 PARK PLACE</com:street1>
          <com:city>SAN MATEO</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94403</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>05/12/2025</saleDate>
      <amountOfSecuritiesSold>12800</amountOfSecuritiesSold>
      <grossProceeds>940328.96</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Anthony Patrick Lee</name>
        <address>
          <com:street1>970 PARK PLACE</com:street1>
          <com:city>SAN MATEO</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94403</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>05/13/2025</saleDate>
      <amountOfSecuritiesSold>13200</amountOfSecuritiesSold>
      <grossProceeds>1009349.88</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Anthony Patrick Lee</name>
        <address>
          <com:street1>970 PARK PLACE,</com:street1>
          <com:city>SAN MATEO</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94403</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>05/14/2025</saleDate>
      <amountOfSecuritiesSold>13600</amountOfSecuritiesSold>
      <grossProceeds>1080571.68</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Anthony Patrick Lee</name>
        <address>
          <com:street1>970 PARK PLACE</com:street1>
          <com:city>San MAteo</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94403</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock	</securitiesClassTitle>
      <saleDate>05/21/2025</saleDate>
      <amountOfSecuritiesSold>14000</amountOfSecuritiesSold>
      <grossProceeds>1154354.60</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>12,040 shares are being sold from THE FALLEN LEAF REVOCABLE TRUST U/A 8/13/20. 980 shares are being sold from THE FALLEN LEAF NG TRUST FBO Catherine Tyler Lee. 980 shares are being sold from THE FALLEN LEAF NG TRUST FBO James Patrick Lee.</remarks>
    <noticeSignature>
      <noticeDate>06/02/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>11/15/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Audrey Skillern as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Anthony P Lee</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
