    <SEC-DOCUMENT>0001104659-21-097123-index.html : 20210729
    <SEC-HEADER>0001104659-21-097123.hdr.sgml : 20210729
    <ACCEPTANCE-DATETIME>20210728200431
    ACCESSION NUMBER:		0001104659-21-097123
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		13
    CONFORMED PERIOD OF REPORT:	20210630
    FILED AS OF DATE:		20210729
    DATE AS OF CHANGE:		20210728

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SUNCOR ENERGY INC
    		CENTRAL INDEX KEY:			0000311337
    		STANDARD INDUSTRIAL CLASSIFICATION:	PETROLEUM REFINING [2911]
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			A0
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		6-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-12384
    		FILM NUMBER:		211124352

    	BUSINESS ADDRESS:
    		STREET 1:		P.O. BOX 2844
    		STREET 2:		150 - 6TH AVENUE S.W.
    		CITY:			CALGARY
    		STATE:			A0
    		ZIP:			T2P 3E3
    		BUSINESS PHONE:		403-296-8000

    	MAIL ADDRESS:
    		STREET 1:		P.O. BOX 2844
    		STREET 2:		150 - 6TH AVENUE S.W.
    		CITY:			CALGARY
    		STATE:			A0
    		ZIP:			T2P 3E3

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	SUNCOR INC
    		DATE OF NAME CHANGE:	19970430

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	GREAT CANADIAN OIL SANDS & SUN OIL CO LTD
    		DATE OF NAME CHANGE:	19791129
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>6-K
    <SEQUENCE>1
    <FILENAME>tm2115121d4_6k.htm
    <DESCRIPTION>FORM 6-K
    <TEXT>
    Document 1 - file: tm2115121d4_6k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>tm2115121d5_ex99-1.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: tm2115121d5_ex99-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>tm2115121d5_ex99-2.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: tm2115121d5_ex99-2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.3
    <SEQUENCE>4
    <FILENAME>tm2115121d5_ex99-3.htm
    <DESCRIPTION>EXHIBIT 99.3
    <TEXT>
    Document 4 - file: tm2115121d5_ex99-3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.4
    <SEQUENCE>5
    <FILENAME>tm2115121d4_ex99-4.htm
    <DESCRIPTION>EXHIBIT 99.4
    <TEXT>
    Document 5 - file: tm2115121d4_ex99-4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.5
    <SEQUENCE>6
    <FILENAME>tm2115121d4_ex99-5.htm
    <DESCRIPTION>EXHIBIT 99.5
    <TEXT>
    Document 6 - file: tm2115121d4_ex99-5.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>tm2115121d5-bc_consolidpn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: tm2115121d5-bc_consolidpn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>tm2115121d5-bc_financialpn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: tm2115121d5-bc_financialpn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>tm2115121d5-bc_forestpn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: tm2115121d5-bc_forestpn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>tm2115121d5-bc_oilsandpn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: tm2115121d5-bc_oilsandpn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>tm2115121d5-bc_refiningpn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: tm2115121d5-bc_refiningpn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>tm2115121d5-ifc_bannerpn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: tm2115121d5-ifc_bannerpn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>tm2115121d5-ofc_bannerpn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: tm2115121d5-ofc_bannerpn.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>