<SEC-DOCUMENT>0001186747-16-000111.txt : 20161109
<SEC-HEADER>0001186747-16-000111.hdr.sgml : 20161109
<ACCEPTANCE-DATETIME>20161109185931
ACCESSION NUMBER:		0001186747-16-000111
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20161107
FILED AS OF DATE:		20161109
DATE AS OF CHANGE:		20161109

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BOYD GAMING CORP
		CENTRAL INDEX KEY:			0000906553
		STANDARD INDUSTRIAL CLASSIFICATION:	HOTELS & MOTELS [7011]
		IRS NUMBER:				880242733
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3883 HOWARD HUGHES PARKWAY
		STREET 2:		NINTH FLOOR
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89169
		BUSINESS PHONE:		7027927200

	MAIL ADDRESS:	
		STREET 1:		3883 HOWARD HUGHES PARKWAY
		STREET 2:		NINTH FLOOR
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89169

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BOYD GROUP
		DATE OF NAME CHANGE:	19941130

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MCDUFFIE ANTHONY D
		CENTRAL INDEX KEY:			0001200744

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12882
		FILM NUMBER:		161985546

	MAIL ADDRESS:	
		STREET 1:		C/O BOYD GAMING CORPORATION
		STREET 2:		6465 SOUTH RAINBOW BLVD
		CITY:			LAS VEGAS
		STATE:			NV
		ZIP:			89118
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-11-07</periodOfReport>

    <issuer>
        <issuerCik>0000906553</issuerCik>
        <issuerName>BOYD GAMING CORP</issuerName>
        <issuerTradingSymbol>BYD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001200744</rptOwnerCik>
            <rptOwnerName>MCDUFFIE ANTHONY D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3883 HOWARD HUGHES PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2>9TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LAS VEGAS</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89169</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP &amp; Chief Accounting Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-11-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1025</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.59</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13332</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-11-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1950</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15282</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The Reporting Person was awarded 1,950 Restricted Stock Units for no consideration pursuant to the Issuer's 2012 Stock Incentive Plan.  Each Restricted Stock Unit represents a contingent right to receive one share of Issuer common stock upon vesting.  The Restricted Stock Units will vest in full upon the third anniversary of the date of award.  The Restricted Stock Units are subject to the forfeiture and other terms and conditions contained in the award agreement and the 2012 Stock Incentive Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Brian A. Larson, Attorney-in-Fact for Anthony McDuffie</signatureName>
        <signatureDate>2016-11-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
