<SEC-DOCUMENT>0001654954-18-003269-index.html : 20180328
<SEC-HEADER>0001654954-18-003269.hdr.sgml : 20180328
<ACCEPTANCE-DATETIME>20180328133412
ACCESSION NUMBER:		0001654954-18-003269
CONFORMED SUBMISSION TYPE:	40-F
PUBLIC DOCUMENT COUNT:		28
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180328
DATE AS OF CHANGE:		20180328

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:		40-F
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33414
		FILM NUMBER:		18717874

	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>40-F
<SEQUENCE>1
<FILENAME>denison-form40fye2017v3.htm
<DESCRIPTION>FORM 40-F DATED MARCH 30, 2018
<TEXT>
Document 1 - file: denison-form40fye2017v3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.3
<SEQUENCE>2
<FILENAME>denison-aifedgar.htm
<DESCRIPTION>ANNUAL INFORMATION FORM FOR YEAR ENDED DECEMBER 31, 2017
<TEXT>
Document 2 - file: denison-aifedgar.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.4
<SEQUENCE>3
<FILENAME>ex99-4auditorconsent.htm
<DESCRIPTION>CONSENT - PRICEWATERHOUSECOOPERS LLP
<TEXT>
Document 3 - file: ex99-4auditorconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.5
<SEQUENCE>4
<FILENAME>officers_certificationsco.htm
<DESCRIPTION>OFFICER'S CERTIFICATIONS REQUIRED BY RULE 13A-14(A) OR RULE 15(D)-14(A) OF THE SECURITIES EXCHANGE ACT OF 1934
<TEXT>
Document 4 - file: officers_certificationsco.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.6
<SEQUENCE>5
<FILENAME>officers_certificationsco000.htm
<DESCRIPTION>OFFICER'S CERTIFICATIONS REQUIRED BY RULE 13A-14(B) OR RULE 15(D)-14(B) OF THE SECURITIES EXCHANGE ACT OF 1934
<TEXT>
Document 5 - file: officers_certificationsco000.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.7
<SEQUENCE>6
<FILENAME>ex99-7rpaconsent.htm
<DESCRIPTION>CONSENT - ROSCOE POSTLE ASSOCIATES INC.
<TEXT>
Document 6 - file: ex99-7rpaconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.8
<SEQUENCE>7
<FILENAME>ex99-8mathisenconsent.htm
<DESCRIPTION>CONSENT - MATHISEN
<TEXT>
Document 7 - file: ex99-8mathisenconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.9
<SEQUENCE>8
<FILENAME>ex99-9srkconsent.htm
<DESCRIPTION>CONSENT - SRK CONSULTING (CANADA) INC.
<TEXT>
Document 8 - file: ex99-9srkconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.10
<SEQUENCE>9
<FILENAME>ex99-10reipasconsent.htm
<DESCRIPTION>CONSENT - REIPAS
<TEXT>
Document 9 - file: ex99-10reipasconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.11
<SEQUENCE>10
<FILENAME>ex99-11geovectorconsent.htm
<DESCRIPTION>CONSENT - GEOVECTOR MANAGEMENT INC.
<TEXT>
Document 10 - file: ex99-11geovectorconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.12
<SEQUENCE>11
<FILENAME>ex99-12sextonconsent.htm
<DESCRIPTION>CONSENT - SEXTON
<TEXT>
Document 11 - file: ex99-12sextonconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.13
<SEQUENCE>12
<FILENAME>ex99-13armitageconsent.htm
<DESCRIPTION>CONSENT - ARMITAGE
<TEXT>
Document 12 - file: ex99-13armitageconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.14
<SEQUENCE>13
<FILENAME>ex99-14routledgeconsent.htm
<DESCRIPTION>CONSENT - ROUTLEDGE
<TEXT>
Document 13 - file: ex99-14routledgeconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.15
<SEQUENCE>14
<FILENAME>ex99-15kellerconsent.htm
<DESCRIPTION>CONSENT - KELLER
<TEXT>
Document 14 - file: ex99-15kellerconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.16
<SEQUENCE>15
<FILENAME>ex-9916leuangthongconsent.htm
<DESCRIPTION>CONSENT - LEUANGTHONG
<TEXT>
Document 15 - file: ex-9916leuangthongconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.17
<SEQUENCE>16
<FILENAME>ex99-17verranconsent.htm
<DESCRIPTION>CONSENT - VERRAN
<TEXT>
Document 16 - file: ex99-17verranconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.18
<SEQUENCE>17
<FILENAME>ex99-18sorbaconsent.htm
<DESCRIPTION>CONSENT - SORBA
<TEXT>
Document 17 - file: ex99-18sorbaconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>corpchart.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 18 - file: corpchart.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>denison-aifedgar000.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 19 - file: denison-aifedgar000.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>denison-aifedgar001.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 20 - file: denison-aifedgar001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>denison-aifedgar002.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 21 - file: denison-aifedgar002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>denison-aifedgar003.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 22 - file: denison-aifedgar003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>denison-aifedgar004.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 23 - file: denison-aifedgar004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>denison-aifedgar005.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 24 - file: denison-aifedgar005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>denison-aifedgar006.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 25 - file: denison-aifedgar006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>ex99-4auditorconsent000.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 26 - file: ex99-4auditorconsent000.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>27
<FILENAME>ex99-9srkconsent000.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 27 - file: ex99-9srkconsent000.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>rpa.jpg
<DESCRIPTION>IMAGE
<TEXT>
Document 28 - file: rpa.jpg

</DOCUMENT>
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