<?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>0001407047</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>GREEN SUSAN MIRANDA</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab Corp.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>6500</noOfUnitsSold>
      <aggregateMarketValue>133640.00</aggregateMarketValue>
      <noOfUnitsOutstanding>498289476</noOfUnitsOutstanding>
      <approxSaleDate>03/12/2024</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>04/22/2020</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Grants as Part of Board Compensation</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1229</amountOfSecuritiesAcquired>
      <paymentDate>04/22/2020</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>04/26/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Grants as part of Board Compensation</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>5271</amountOfSecuritiesAcquired>
      <paymentDate>04/26/2022</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>Client did not pay for the shares, they were received as stock grants</remarks>
    <noticeSignature>
      <noticeDate>03/12/2024</noticeDate>
      <signature>Susan Green</signature>
    </noticeSignature>
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144
0001407047
XXXXXXXX
LIVE
0000764065
CLEVELAND-CLIFFS INC.
001-08944
200 PUBLIC SQUARE
STE. 3300
CLEVELAND
OH
44114-2315
216-694-5700
GREEN SUSAN MIRANDA
Director
Common
Charles Schwab Corp.
3000 Schwab Way
Westlake
TX
76262
6500
133640.00
498289476
03/12/2024
NYSE
Common
04/22/2020
Stock Grants as Part of Board Compensation
Issuer
N
1229
04/22/2020
Compensation
Common
04/26/2022
Stock Grants as part of Board Compensation
Issuer
N
5271
04/26/2022
Compensation
Y
Client did not pay for the shares, they were received as stock grants
03/12/2024
Susan Green