<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001862894</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001801368</issuerCik>
            <issuerName>MP Materials Corp.</issuerName>
            <secFileNumber>001-39277</secFileNumber>
            <issuerAddress>
                <ns2:street1>1700 S. Pavilion Center Drive</ns2:street1>
                <ns2:street2>Suite 800</ns2:street2>
                <ns2:city>Las Vegas</ns2:city>
                <ns2:stateOrCountry>NV</ns2:stateOrCountry>
                <ns2:zipCode>89119</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(702) 844-6111</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>HOOPS FAMILY TRUST</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Class A Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>30000</noOfUnitsSold>
            <aggregateMarketValue>540921.00</aggregateMarketValue>
            <noOfUnitsOutstanding>163207224</noOfUnitsOutstanding>
            <approxSaleDate>11/15/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Class A Common</securitiesClassTitle>
            <acquiredDate>01/14/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Employee stock unit award(s)</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>563</amountOfSecuritiesAcquired>
            <paymentDate>01/14/2023</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Class A Common</securitiesClassTitle>
            <acquiredDate>05/17/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Employee stock unit award(s)</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>5251</amountOfSecuritiesAcquired>
            <paymentDate>05/17/2023</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Class A Common</securitiesClassTitle>
            <acquiredDate>05/17/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Employee stock unit award(s)</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>5341</amountOfSecuritiesAcquired>
            <paymentDate>05/17/2022</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Class A Common</securitiesClassTitle>
            <acquiredDate>01/14/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Employee stock unit award(s)</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>1758</amountOfSecuritiesAcquired>
            <paymentDate>01/14/2023</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Class A Common</securitiesClassTitle>
            <acquiredDate>05/17/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Employee stock unit award(s)</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>3429</amountOfSecuritiesAcquired>
            <paymentDate>11/14/2024</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Class A Common</securitiesClassTitle>
            <acquiredDate>03/11/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Open Market Purchase</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Open market</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>4000</amountOfSecuritiesAcquired>
            <paymentDate>03/11/2022</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Class A Common</securitiesClassTitle>
            <acquiredDate>05/17/2021</acquiredDate>
            <natureOfAcquisitionTransaction>Employee stock unit award(s)</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>6632</amountOfSecuritiesAcquired>
            <paymentDate>05/17/2021</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <securitiesToBeSold>
            <securitiesClassTitle>Class A Common</securitiesClassTitle>
            <acquiredDate>01/14/2022</acquiredDate>
            <natureOfAcquisitionTransaction>Employee stock unit award(s)</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>3026</amountOfSecuritiesAcquired>
            <paymentDate>01/14/2022</paymentDate>
            <natureOfPayment>Services Rendered</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>11/15/2024</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Elliot Dean Hoops, Trustee</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
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144
0001862894
XXXXXXXX
LIVE
0001801368
MP Materials Corp.
001-39277
1700 S. Pavilion Center Drive
Suite 800
Las Vegas
NV
89119
(702) 844-6111
HOOPS FAMILY TRUST
Officer
Class A Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
30000
540921.00
163207224
11/15/2024
NYSE
Class A Common
01/14/2023
Employee stock unit award(s)
Issuer
N
563
01/14/2023
Services Rendered
Class A Common
05/17/2024
Employee stock unit award(s)
Issuer
N
5251
05/17/2023
Services Rendered
Class A Common
05/17/2022
Employee stock unit award(s)
Issuer
N
5341
05/17/2022
Services Rendered
Class A Common
01/14/2023
Employee stock unit award(s)
Issuer
N
1758
01/14/2023
Services Rendered
Class A Common
05/17/2023
Employee stock unit award(s)
Issuer
N
3429
11/14/2024
Services Rendered
Class A Common
03/11/2022
Open Market Purchase
Open market
N
4000
03/11/2022
Cash
Class A Common
05/17/2021
Employee stock unit award(s)
Issuer
N
6632
05/17/2021
Services Rendered
Class A Common
01/14/2022
Employee stock unit award(s)
Issuer
N
3026
01/14/2022
Services Rendered
Y
11/15/2024
/s/ Elliot Dean Hoops, Trustee