<SEC-DOCUMENT>0001104659-21-107771-index.html : 20210819
<SEC-HEADER>0001104659-21-107771.hdr.sgml : 20210819
<ACCEPTANCE-DATETIME>20210819164141
ACCESSION NUMBER:		0001104659-21-107771
CONFORMED SUBMISSION TYPE:	F-10
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20210819
DATE AS OF CHANGE:		20210819

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:		F-10
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-258939
		FILM NUMBER:		211190553

	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>F-10
<SEQUENCE>1
<FILENAME>tm2124993-3_f10.htm
<DESCRIPTION>F-10
<TEXT>
Document 1 - file: tm2124993-3_f10.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>tm2124993d4_ex5-1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: tm2124993d4_ex5-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.2
<SEQUENCE>3
<FILENAME>tm2124993d4_ex5-2.htm
<DESCRIPTION>EXHIBIT 5.2
<TEXT>
Document 3 - file: tm2124993d4_ex5-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-7.1
<SEQUENCE>4
<FILENAME>tm2124993d4_ex7-1.htm
<DESCRIPTION>EXHIBIT 7.1
<TEXT>
Document 4 - file: tm2124993d4_ex7-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>lg_denison-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: lg_denison-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>tm2124993d3-fc_denison4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tm2124993d3-fc_denison4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>tm2124993d4_ex5-2img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: tm2124993d4_ex5-2img001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>tm2124993d4_ex5-2img002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: tm2124993d4_ex5-2img002.jpg

</DOCUMENT>
</SEC-DOCUMENT>