<SEC-DOCUMENT>0001654954-25-008246-index.html : 20250721
<SEC-HEADER>0001654954-25-008246.hdr.sgml : 20250721
<ACCEPTANCE-DATETIME>20250721135010
ACCESSION NUMBER:		0001654954-25-008246
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20250721
FILED AS OF DATE:		20250721
DATE AS OF CHANGE:		20250721

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DENISON MINES CORP.
		CENTRAL INDEX KEY:			0001063259
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS METAL ORES [1090]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				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:		251136754

	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 JULY 21, 2025
<TEXT>
Document 1 - file: form6-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>pr-20250721mccleanlakesou.htm
<DESCRIPTION>PRESS RELEASE DATED JULY 21, 2025
<TEXT>
Document 2 - file: pr-20250721mccleanlakesou.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>denison70logo.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 3 - file: denison70logo.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>pr-20250721mccleanlakesou001.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 4 - file: pr-20250721mccleanlakesou001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>pr-20250721mccleanlakesou002.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 5 - file: pr-20250721mccleanlakesou002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>pr-20250721mccleanlakesou003.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 6 - file: pr-20250721mccleanlakesou003.jpg

</DOCUMENT>
</SEC-DOCUMENT>