    <SEC-DOCUMENT>0001654954-19-012558-index.html : 20191108
    <SEC-HEADER>0001654954-19-012558.hdr.sgml : 20191108
    <ACCEPTANCE-DATETIME>20191108163810
    ACCESSION NUMBER:		0001654954-19-012558
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		17
    CONFORMED PERIOD OF REPORT:	20191107
    FILED AS OF DATE:		20191108
    DATE AS OF CHANGE:		20191108

    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:		191204558

    	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 8, 2019
    <TEXT>
    Document 1 - file: form6k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>a2019-09dmcfinancialsfili.htm
    <DESCRIPTION>INTERIM CONSOLIDATED FINANCIAL STATEMENTS FOR THE PERIOD ENDED SEPTEMBER 30, 2019
    <TEXT>
    Document 2 - file: a2019-09dmcfinancialsfili.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>edgar-201909dmcmdafiling.htm
    <DESCRIPTION>MANAGEMENT'S DISCUSSION & ANALYSIS FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2019
    <TEXT>
    Document 3 - file: edgar-201909dmcmdafiling.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.3
    <SEQUENCE>4
    <FILENAME>interimceocert.htm
    <DESCRIPTION>INTERIM CERTIFICATION - CEO
    <TEXT>
    Document 4 - file: interimceocert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.4
    <SEQUENCE>5
    <FILENAME>interimcfocert.htm
    <DESCRIPTION>INTERIM CERTIFICATION - CFO
    <TEXT>
    Document 5 - file: interimcfocert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.5
    <SEQUENCE>6
    <FILENAME>edgar2019-09dmcnrfiling.htm
    <DESCRIPTION>PRESS RELEASE DATED NOVEMBER 7, 2019
    <TEXT>
    Document 6 - file: edgar2019-09dmcnrfiling.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>denisonlogo-small.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 7 - file: denisonlogo-small.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>edgar-201909dmcmdafiling000.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 8 - file: edgar-201909dmcmdafiling000.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>edgar2019-09dmcnrfiling000.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 9 - file: edgar2019-09dmcnrfiling000.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>figure1.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 10 - file: figure1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>figure2.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 11 - file: figure2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>figure3.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 12 - file: figure3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>figure4.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 13 - file: figure4.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>figure5.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 14 - file: figure5.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>figure6.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 15 - file: figure6.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>figure7.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 16 - file: figure7.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>map.jpg
    <DESCRIPTION>IMAGE
    <TEXT>
    Document 17 - file: map.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>