<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2022-01-25</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001385849</issuerCik>
        <issuerName>ENERGY FUELS INC</issuerName>
        <issuerTradingSymbol>UUUU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001910320</rptOwnerCik>
            <rptOwnerName>LUKSCH SARAI</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ENERGY FUELS INC.</rptOwnerStreet1>
            <rptOwnerStreet2>225 UNION BLVD., SUITE 600</rptOwnerStreet2>
            <rptOwnerCity>LAKEWOOD</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80228</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Acct Officer/Controller</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21146</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Appreciation Rights (&quot;SARs&quot;)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>6.47</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2023-01-25</value>
            </exerciseDate>
            <expirationDate>
                <value>2027-01-25</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>18222</value>
                    <footnoteId id="F3"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Sarai Luksch was appointed to the role of Chief Accounting Officer and Controller of the Company on January 25, 2022, effective that same date.</footnote>
        <footnote id="F2">Table I reflects three separate grants of restricted stock units (&quot;RSUs&quot;) by the issuer in 2020, 2021 and 2022, respectively, each of which vest as to 50% on January 27 one year after the date of grant; 25% on January 27 two years after the date of grant; and 25% on January 27 three years after the date of grant.  Full details will be made available to the SEC and Issuer shareholders upon request.</footnote>
        <footnote id="F3">Table II reflects a grant of 18,222 stock appreciation rights (&quot;SARs&quot;) by the Issuer on January 25, 2022, which vest as follows:  one-third of SARs automatically vest upon the volume weighted average price (&quot;VWAP&quot;) of the Issuer's common stock on the NYSE American equaling or exceeding US$12.00 for any continuous 90-calendar-day period; another one-third of SARs automatically vest upon the VWAP of the Issuer's common stock on the NYSE American equaling or exceeding US$14.00 for any continuous 90-calendar-day period; and the final one-third vest upon the VWAP of the Issuer's common stock on the NYSE American equaling or exceeding US$16.00 for any continuous 90-calendar-day period.</footnote>
    </footnotes>

    <remarks>Exhibit 24.1  Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Sarai Luksch</signatureName>
        <signatureDate>2022-02-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
