content: <?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>0001236128</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000764065</issuerCik>
        <issuerName>CLEVELAND-CLIFFS INC.</issuerName>
        <secFileNumber>001-08944</secFileNumber>
        <issuerAddress>
          <com:street1>200 PUBLIC SQUARE</com:street1>
          <com:street2>STE. 3300</com:street2>
          <com:city>CLEVELAND</com:city>
          <com:stateOrCountry>OH</com:stateOrCountry>
          <com:zipCode>44114-2315</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>216-694-5700</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>GONCALVES LOURENCO</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
          <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>187136</noOfUnitsSold>
        <aggregateMarketValue>3778687.24</aggregateMarketValue>
        <noOfUnitsOutstanding>498289476</noOfUnitsOutstanding>
        <approxSaleDate>03/06/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/06/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Option Granted - 01/12/2015</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>187136</amountOfSecuritiesAcquired>
        <paymentDate>03/06/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>This form 144 amends and supersedes the prior form 144 filed on March 6, 2024 for Celso Lourenco Goncalves Jr. Celso Lourenco Goncalves and Celso Lourenco Goncalves Jr. are father and son. Today's trades were placed in the Celso Lourenco Goncalves Revocable Trust account, of which Celso Lourenco Goncalves (father) is a Trustee. The trades disclosed in the 144 filed under ascension number, 0001959173-24-002015, was not executed by Celso Lourenco Goncalves Jr.</remarks>
      <noticeSignature>
        <noticeDate>03/06/2024</noticeDate>
        <signature>/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Lourenco Goncalves</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3436}]
text: 144
  0001236128
  XXXXXXXX
  LIVE
  0000764065
  CLEVELAND-CLIFFS INC.
  001-08944
  200 PUBLIC SQUARE
  STE. 3300
  CLEVELAND
  OH
  44114-2315
  216-694-5700
  GONCALVES LOURENCO
  Officer
  Director
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  187136
  3778687.24
  498289476
  03/06/2024
  NYSE
  Common
  03/06/2024
  Option Granted - 01/12/2015
  Issuer
  N
  187136
  03/06/2024
  Cash
  Y
  This form 144 amends and supersedes the prior form 144 filed on March 6, 2024 for Celso Lourenco Goncalves Jr. Celso Lourenco Goncalves and Celso Lourenco Goncalves Jr. are father and son. Today's trades were placed in the Celso Lourenco Goncalves Revocable Trust account, of which Celso Lourenco Goncalves (father) is a Trustee. The trades disclosed in the 144 filed under ascension number, 0001959173-24-002015, was not executed by Celso Lourenco Goncalves Jr.
  03/06/2024
  /s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Lourenco Goncalves