-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 R2H1M5lVMe65/pOawebneQKQ2tx5UV96yRRRHKczyYwt2qVzzUvqtauKsOoAQHpX
 N1i2KkprC4aOnOL3SV1qjw==

<SEC-DOCUMENT>0001179110-10-003309.txt : 20100222
<SEC-HEADER>0001179110-10-003309.hdr.sgml : 20100222
<ACCEPTANCE-DATETIME>20100222170441
ACCESSION NUMBER:		0001179110-10-003309
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100121
FILED AS OF DATE:		20100222
DATE AS OF CHANGE:		20100222

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PENN NATIONAL GAMING INC
		CENTRAL INDEX KEY:			0000921738
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MISCELLANEOUS AMUSEMENT & RECREATION [7990]
		IRS NUMBER:				232234473
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		825 BERKSHIRE BLVD STE 200
		STREET 2:		WYOMISSING PROFESSIONAL CENTER
		CITY:			WYOMISSING
		STATE:			PA
		ZIP:			19610
		BUSINESS PHONE:		6103732400

	MAIL ADDRESS:	
		STREET 1:		825 BERSHIRE BLVD
		STREET 2:		SUITE 200
		CITY:			WYOMISSING
		STATE:			PA
		ZIP:			19610

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carlino Family Trust
		CENTRAL INDEX KEY:			0001441479
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24206
		FILM NUMBER:		10623409

	BUSINESS ADDRESS:	
		STREET 1:		875 BERKSHIRE BLVD.
		STREET 2:		SUITE 102
		CITY:			WYOMISSING
		STATE:			PA
		ZIP:			19610
		BUSINESS PHONE:		(610) 288-8657

	MAIL ADDRESS:	
		STREET 1:		875 BERKSHIRE BLVD.
		STREET 2:		SUITE 102
		CITY:			WYOMISSING
		STATE:			PA
		ZIP:			19610
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4/A -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2010-01-21</periodOfReport>

    <dateOfOriginalSubmission>2010-01-22</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000921738</issuerCik>
        <issuerName>PENN NATIONAL GAMING INC</issuerName>
        <issuerTradingSymbol>PENN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001441479</rptOwnerCik>
            <rptOwnerName>Carlino Family Trust</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>875 BERKSHIRE BLVD, SUITE 102</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WYOMISSING</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19610</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-01-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>356749</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7892101</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Shares distributed to the beneficiaries of the Carlino Family Trust.</footnote>
        <footnote id="F2">The number of shares reported as distributed to the beneficiaries of the Carlino Family Trust on the Form 4 previously filed incorrectly included 3,000 shares that were not distributed.  This amendment is being filed to correct the error and provide the correct number of shares distributed to the beneficiaries of the Carlino Family Trust.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Robert S. Ippolito as Attorney-in-fact for Peter M. Carlino, Trustee</signatureName>
        <signatureDate>2010-02-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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