-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000085535-10-000047.txt : 20101112
<SEC-HEADER>0000085535-10-000047.hdr.sgml : 20101111
<ACCEPTANCE-DATETIME>20101112185101
ACCESSION NUMBER:		0000085535-10-000047
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101110
FILED AS OF DATE:		20101112
DATE AS OF CHANGE:		20101112

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WENGER STEFAN
		CENTRAL INDEX KEY:			0001239679

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13357
		FILM NUMBER:		101188528

	MAIL ADDRESS:	
		STREET 1:		1660 WYNKOOP STREET STE.1000
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ROYAL GOLD INC
		CENTRAL INDEX KEY:			0000085535
		STANDARD INDUSTRIAL CLASSIFICATION:	MINERAL ROYALTY TRADERS [6795]
		IRS NUMBER:				840835164
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		1660 WYNKOOP STREET
		STREET 2:		SUITE 1000
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202-1132
		BUSINESS PHONE:		303-573-1660

	MAIL ADDRESS:	
		STREET 1:		1660 WYNKOOP STREET
		STREET 2:		SUITE 1000
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202-1132

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROYAL GOLD INC /DE/
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROYAL RESOURCES CORP
		DATE OF NAME CHANGE:	19870517

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROYAL RESOURCES EXPLORATION INC
		DATE OF NAME CHANGE:	19810716
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-11-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000085535</issuerCik>
        <issuerName>ROYAL GOLD INC</issuerName>
        <issuerTradingSymbol>RGLD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001239679</rptOwnerCik>
            <rptOwnerName>WENGER STEFAN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1660 WYNKOOP STREET STE.1000</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DENVER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO and Treasurer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-11-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1333</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>51.34</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>71084</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-11-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1333</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>51.34</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>69751</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The range of the weighted average sale price is as follows:  2,010 shares were sold between $50.70 to $51.69, and 656 shares were sold between $51.78 to $52.02.</footnote>
        <footnote id="F2">Includes 42,918 shares of restricted stock that have not yet vested.</footnote>
        <footnote id="F3">Includes 39,585 shares of restricted stock that have not yet vested.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Stefan Wenger, KG for</signatureName>
        <signatureDate>2010-11-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
