    <SEC-DOCUMENT>0001654954-18-012453-index.html : 20181113
    <SEC-HEADER>0001654954-18-012453.hdr.sgml : 20181113
    <ACCEPTANCE-DATETIME>20181113121729
    ACCESSION NUMBER:		0001654954-18-012453
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		14
    CONFORMED PERIOD OF REPORT:	20180930
    FILED AS OF DATE:		20181113
    DATE AS OF CHANGE:		20181113

    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:		181176598

    	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>form6k.htm
    <DESCRIPTION>FORM 6-K DATED NOVEMBER 13, 2018
    <TEXT>
    Document 1 - file: form6k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>a2018-09dmcfinancialsfili.htm
    <DESCRIPTION>CONDENSED INTERIM CONSOLIDATED FINANCIAL STATEMENTS AT SEPTEMBER 30, 2018
    <TEXT>
    Document 2 - file: a2018-09dmcfinancialsfili.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>a2018-09dmcmdafiling.htm
    <DESCRIPTION>MANAGEMENT'S DISCUSSION AND ANALYSIS FOR THE SIX MONTHS ENDED SEPTEMBER 30, 2018
    <TEXT>
    Document 3 - file: a2018-09dmcmdafiling.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.3
    <SEQUENCE>4
    <FILENAME>q3-52109f2ceoconformed.htm
    <DESCRIPTION>CERTIFICATION OF INTERIM FILINGS - CEO
    <TEXT>
    Document 4 - file: q3-52109f2ceoconformed.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.4
    <SEQUENCE>5
    <FILENAME>q3-52109f2cfoconformed.htm
    <DESCRIPTION>CERTIFICATION OF INTERIM FILINGS - CFO
    <TEXT>
    Document 5 - file: q3-52109f2cfoconformed.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.5
    <SEQUENCE>6
    <FILENAME>a2018-09dmcnrfiling.htm
    <DESCRIPTION>PRESS RELEASE DATED NOVEMBER 12, 2018
    <TEXT>
    Document 6 - file: a2018-09dmcnrfiling.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>a2018-09dmcmdafiling000.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 7 - file: a2018-09dmcmdafiling000.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>a2018-09dmcmdafiling001.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 8 - file: a2018-09dmcmdafiling001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>a2018-09dmcmdafiling002.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 9 - file: a2018-09dmcmdafiling002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>a2018-09dmcmdafiling003.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 10 - file: a2018-09dmcmdafiling003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>a2018-09dmcmdafiling004.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 11 - file: a2018-09dmcmdafiling004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>a2018-09dmcmdafiling005.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 12 - file: a2018-09dmcmdafiling005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>a2018-09dmcmdafiling006.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 13 - file: a2018-09dmcmdafiling006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>denisonlogo-med.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 14 - file: denisonlogo-med.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>