<SEC-DOCUMENT>0001174922-18-000115.txt : 20180517
<SEC-HEADER>0001174922-18-000115.hdr.sgml : 20180517
<ACCEPTANCE-DATETIME>20180517200238
ACCESSION NUMBER:		0001174922-18-000115
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180515
FILED AS OF DATE:		20180517
DATE AS OF CHANGE:		20180517

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WAYSON DANIEL BOONE
		CENTRAL INDEX KEY:			0001182252

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50028
		FILM NUMBER:		18844763

	MAIL ADDRESS:	
		STREET 1:		C/O WYNN RESORTS, LIMITED
		STREET 2:		3145 LAS VEGAS BOULEVARD SOUTH
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89109

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WYNN RESORTS LTD
		CENTRAL INDEX KEY:			0001174922
		STANDARD INDUSTRIAL CLASSIFICATION:	HOTELS & MOTELS [7011]
		IRS NUMBER:				460484987
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3131 LAS VEGAS BOULEVARD SOUTH
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89109
		BUSINESS PHONE:		7027707555

	MAIL ADDRESS:	
		STREET 1:		3131 LAS VEGAS BOULEVARD SOUTH
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89109
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_152660169971867.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-05-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001174922</issuerCik>
        <issuerName>WYNN RESORTS LTD</issuerName>
        <issuerTradingSymbol>WYNN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001182252</rptOwnerCik>
            <rptOwnerName>WAYSON DANIEL BOONE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WYNN RESORTS, LIMITED</rptOwnerStreet1>
            <rptOwnerStreet2>3131 LAS VEGAS BOULEVARD SOUTH</rptOwnerStreet2>
            <rptOwnerCity>LAS VEGAS</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89109</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, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2018-05-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1309</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>95471</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Restricted shares of common stock, par value $0.01 per share, of Wynn Resorts, Limited (the &quot;Company&quot;) granted pursuant to the Company's 2014 Omnibus Incentive Plan. Shares will vest pro rata, 25% per year on each anniversary of the date of grant, provided that if the reporting person's service with the Company is terminated for any reason, all restricted shares that are subject to restrictions upon the date of termination shall be forfeited.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kathleen Tam, attorney-in-fact for Daniel Boone Wayson</signatureName>
        <signatureDate>2018-05-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
