    <SEC-DOCUMENT>0001047469-21-001079-index.html : 20210504
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    <ACCEPTANCE-DATETIME>20210503200237
    ACCESSION NUMBER:		0001047469-21-001079
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		14
    CONFORMED PERIOD OF REPORT:	20210331
    FILED AS OF DATE:		20210504
    DATE AS OF CHANGE:		20210503

    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:		21885383

    	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
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    Document 1 - file: a2243235z6-k.htm

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    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: a2243235zex-99_1.htm

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    <DESCRIPTION>EX-99.2
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    Document 3 - file: a2243235zex-99_2.htm

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    Document 4 - file: a2243235zex-99_3.htm

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    Document 5 - file: a2243235zex-99_4.htm

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    <FILENAME>a2243235zex-99_5.htm
    <DESCRIPTION>EX-99.5
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    Document 6 - file: a2243235zex-99_5.htm

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    Document 8 - file: g1033261.jpg

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    Document 10 - file: g875883.jpg

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    Document 11 - file: g468001.jpg

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    Document 12 - file: g826021.jpg

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    Document 13 - file: g664728.jpg

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