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>0001874308</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001798562</issuerCik>
        <issuerName>TMC the metals Co Inc.</issuerName>
        <secFileNumber>001-39281</secFileNumber>
        <issuerAddress>
          <com:street1>1111 WEST HASTINGS STREET</com:street1>
          <com:street2>15TH FLOOR</com:street2>
          <com:city>VANCOUVER</com:city>
          <com:stateOrCountry>A1</com:stateOrCountry>
          <com:zipCode>V6E 2J3</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>888-458-3420</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Shesky Craig</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Shares</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch</name>
          <address>
            <com:street1>225 Liberty St</com:street1>
            <com:street2>Floor 37</com:street2>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10281</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>353702</noOfUnitsSold>
        <aggregateMarketValue>585508.93</aggregateMarketValue>
        <noOfUnitsOutstanding>347910742</noOfUnitsOutstanding>
        <approxSaleDate>04/01/2025</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Shares</securitiesClassTitle>
        <acquiredDate>03/04/2025</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of restricted stock unit award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>TMC the metals Co Inc.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>140376</amountOfSecuritiesAcquired>
        <paymentDate>03/04/2025</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Shares</securitiesClassTitle>
        <acquiredDate>03/20/2025</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of restricted stock unit award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>TMC the metals Co Inc.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>213326</amountOfSecuritiesAcquired>
        <paymentDate>03/20/2025</paymentDate>
        <natureOfPayment>Granted as part of issuer equity compensation plan</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>The sales reported here were effected to cover tax withholding obligations in connection with the vesting of restricted stock units that were pursuant to an automatic sell to cover transaction and does not represent a discretionary transaction.</remarks>
      <noticeSignature>
        <noticeDate>04/01/2025</noticeDate>
        <signature>Craig Shesky</signature>
      </noticeSignature>
    </formData>
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text: 144
  0001874308
  XXXXXXXX
  LIVE
  0001798562
  TMC the metals Co Inc.
  001-39281
  1111 WEST HASTINGS STREET
  15TH FLOOR
  VANCOUVER
  A1
  V6E 2J3
  888-458-3420
  Shesky Craig
  Officer
  Common Shares
  Merrill Lynch
  225 Liberty St
  Floor 37
  New York
  NY
  10281
  353702
  585508.93
  347910742
  04/01/2025
  NASDAQ
  Common Shares
  03/04/2025
  Vesting of restricted stock unit award
  TMC the metals Co Inc.
  N
  140376
  03/04/2025
  Granted as part of issuer equity compensation plan
  Common Shares
  03/20/2025
  Vesting of restricted stock unit award
  TMC the metals Co Inc.
  N
  213326
  03/20/2025
  Granted as part of issuer equity compensation plan
  Y
  The sales reported here were effected to cover tax withholding obligations in connection with the vesting of restricted stock units that were pursuant to an automatic sell to cover transaction and does not represent a discretionary transaction.
  04/01/2025
  Craig Shesky