<SEC-DOCUMENT>0001654954-20-011179-index.html : 20201015
<SEC-HEADER>0001654954-20-011179.hdr.sgml : 20201015
<ACCEPTANCE-DATETIME>20201015141659
ACCESSION NUMBER:		0001654954-20-011179
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20201015
FILED AS OF DATE:		20201015
DATE AS OF CHANGE:		20201015

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:		201241279

	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>form6-k.htm
<DESCRIPTION>FORM 6-K DATED OCTOBER 15, 2020
<TEXT>
Document 1 - file: form6-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>denison_-closingpressrele.htm
<DESCRIPTION>PRESS RELEASE DATED OCTOBER 14, 2020
<TEXT>
Document 2 - file: denison_-closingpressrele.htm

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

</DOCUMENT>
</SEC-DOCUMENT>