<SEC-DOCUMENT>0001654954-18-010136-index.html : 20180913
<SEC-HEADER>0001654954-18-010136.hdr.sgml : 20180913
<ACCEPTANCE-DATETIME>20180913131954
ACCESSION NUMBER:		0001654954-18-010136
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20180913
FILED AS OF DATE:		20180913
DATE AS OF CHANGE:		20180913

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:		181068523

	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 SEPTEMBER 13, 2018
<TEXT>
Document 1 - file: form6k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex991materialchange.htm
<DESCRIPTION>MATERIAL CHANGE REPORT DATED SEPTEMBER 12, 2018
<TEXT>
Document 2 - file: ex991materialchange.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>ex992purchaseagreement.htm
<DESCRIPTION>MATERIAL DOCUMENT - PURCHASE AGREEMENT DATED SEPTEMBER 4, 2018
<TEXT>
Document 3 - file: ex992purchaseagreement.htm

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

</DOCUMENT>
</SEC-DOCUMENT>