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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-04-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001712189</issuerCik>
        <issuerName>Target Hospitality Corp.</issuerName>
        <issuerTradingSymbol>TH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001615015</rptOwnerCik>
            <rptOwnerName>Baker Eli</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2170 BUCKTHORNE PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 440</rptOwnerStreet2>
            <rptOwnerCity>THE WOODLANDS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77380</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-04-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7305</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7305</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18234</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each restricted stock unit represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share (&quot;Common Stock&quot;), or its cash equivalent.</footnote>
        <footnote id="F2">On April 1, 2020, the Compensation Committee approved the Director Retainer Reduction Equity Award Program (the &quot;Retainer Program&quot;).  On April 1, 2020 as contemplated by the Retainer Program, the Reporting Person was granted 7,305 restricted stock units (&quot;RSUs&quot;) pursuant to the Target Hospitality Corp. 2019 Incentive Award Plan (the &quot;Plan&quot;).  The RSUs will ratably vest on June 30, September 30 and December 31, 2020.</footnote>
        <footnote id="F3">In addition to the 7,305 RSUs granted on April 1, 2020, total includes 10,929 RSUs granted on May 21, 2019 that vest in full on the first anniversary of the grant date or, if earlier, the date of the first annual meeting of the stockholders of the Issuer following the grant date, subject to the terms and conditions of the Plan and the Restricted Stock Unit Agreement.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Heidi D. Lewis, as Attorney-in-Fact on behalf of Eli Baker</signatureName>
        <signatureDate>2020-04-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
