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    ACCESSION NUMBER:		0001654954-23-003611
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		56
    CONFORMED PERIOD OF REPORT:	20230328
    FILED AS OF DATE:		20230327
    DATE AS OF CHANGE:		20230327

    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:		23765339

    	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
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    <TYPE>EX-99.1
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    <FILENAME>ex991.htm
    <DESCRIPTION>TECHNICAL REPORT FOR THE CHRISTIE LAKE URANIUM PROJECT, SASKATCHEWAN, CANADA DATED JUNE 7, 2022
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    <FILENAME>letter_enclosingchristiel.htm
    <DESCRIPTION>COVER LETTER DATED MARCH 27, 2023 RE VOLUNTARY FILING OF REPORT
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