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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-03-22</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001102392</issuerCik>
        <issuerName>Royal Energy Resources, Inc.</issuerName>
        <issuerTradingSymbol>ROYE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
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            <rptOwnerCik>0000868074</rptOwnerCik>
            <rptOwnerName>WASTECH, INC.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>520 FOLLY ROAD, SUITE P285</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHARLESTON</rptOwnerCity>
            <rptOwnerState>SC</rptOwnerState>
            <rptOwnerZipCode>29412</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

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        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person transferred the shares to unrelated third parties in consideration for shares of common stock of an unrelated company. Royal Energy common stock had a market price of $12.15 on the date of the transfers.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Wastech, Inc. /s/ Richard D. Tuorto, Sr., CEO</signatureName>
        <signatureDate>2016-09-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
