<SEC-DOCUMENT>0001747079-20-000077.txt : 20200521
<SEC-HEADER>0001747079-20-000077.hdr.sgml : 20200521
<ACCEPTANCE-DATETIME>20200521160443
ACCESSION NUMBER:		0001747079-20-000077
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200519
FILED AS OF DATE:		20200521
DATE AS OF CHANGE:		20200521

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROLLINS JEFFREY W
		CENTRAL INDEX KEY:			0001180826

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38850
		FILM NUMBER:		20901869

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Twin River Worldwide Holdings, Inc.
		CENTRAL INDEX KEY:			0001747079
		STANDARD INDUSTRIAL CLASSIFICATION:	HOTELS & MOTELS [7011]
		IRS NUMBER:				200904604
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		100 TWIN RIVER ROAD
		CITY:			LINCOLN
		STATE:			RI
		ZIP:			02865
		BUSINESS PHONE:		(401) 475-8474

	MAIL ADDRESS:	
		STREET 1:		100 TWIN RIVER ROAD
		CITY:			LINCOLN
		STATE:			RI
		ZIP:			02865
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_159009146558992.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-05-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001747079</issuerCik>
        <issuerName>Twin River Worldwide Holdings, Inc.</issuerName>
        <issuerTradingSymbol>TRWH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001180826</rptOwnerCik>
            <rptOwnerName>ROLLINS JEFFREY W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TWIN RIVER WORLDWIDE HOLDINGS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>100 TWIN RIVER RD.</rptOwnerStreet2>
            <rptOwnerCity>LINCOLN</rptOwnerCity>
            <rptOwnerState>RI</rptOwnerState>
            <rptOwnerZipCode>02865</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-05-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3413</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>88695</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">These shares reflect a grant of restricted stock that will vest on the earlier of the first anniversary of the date of grant or the 2021 annual meeting of shareholders, subject to the reporting person's continued service through such date and shall be subject to an additional one-year holding period thereafter.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Joseph McGrail - Attorney-in-Fact</signatureName>
        <signatureDate>2020-05-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
