    <SEC-DOCUMENT>0001193125-17-196845-index.html : 20170607
    <SEC-HEADER>0001193125-17-196845.hdr.sgml : 20170607
    <ACCEPTANCE-DATETIME>20170607134804
    ACCESSION NUMBER:		0001193125-17-196845
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		5
    CONFORMED PERIOD OF REPORT:	20170607
    FILED AS OF DATE:		20170607
    DATE AS OF CHANGE:		20170607

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			DENISON MINES CORP.
    		CENTRAL INDEX KEY:			0001063259
    		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS METAL ORES [1090]
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			A6
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		6-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-33414
    		FILM NUMBER:		17896839

    	BUSINESS ADDRESS:
    		STREET 1:		40 UNIVERSITY AVE., SUITE 1100
    		CITY:			TORONTO
    		STATE:			A6
    		ZIP:			M5J 1T1
    		BUSINESS PHONE:		(416) 979-1991

    	MAIL ADDRESS:
    		STREET 1:		40 UNIVERSITY AVE., SUITE 1100
    		CITY:			TORONTO
    		STATE:			A6
    		ZIP:			M5J 1T1

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	INTERNATIONAL URANIUM CORP
    		DATE OF NAME CHANGE:	19980603
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>6-K
    <SEQUENCE>1
    <FILENAME>d408938d6k.htm
    <DESCRIPTION>6-K
    <TEXT>
    Document 1 - file: d408938d6k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>d408938dex991.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: d408938dex991.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g408938g0330112411939.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g408938g0330112411939.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g408938g19n76.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g408938g19n76.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g408938g42d27.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g408938g42d27.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>