6-K

FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

Report of Foreign Private Issuer

Pursuant to Rule 13a - 16 or 15d - 16 of

the Securities Exchange Act of 1934

For the month of:  May, 2021 Commission File Number:  1-12384

SUNCOR ENERGY INC.

(Name of registrant)

150 – 6th Avenue S.W.

P.O. Box 2844

Calgary, Alberta

Canada, T2P 3E3

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F ¨ Form 40-F x

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ¨

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		SUNCOR ENERGY INC.
Date:	May 20, 2021	By:	“Shawn Poirier
		Shawn Poirier Assistant Corporate Secretary

EXHIBIT INDEX

Exhibit	Description of Exhibit
99.1	News Release dated May 19, 2021, Suncor Energy to hold Investor Day

EX-99.1

EXHIBIT 99.1

News Release dated May 19, 2021, Suncor Energy to hold Investor Day

  Media Advisory

FOR IMMEDIATE RELEASE

Suncor Energy to hold Investor Day

Calgary, Alberta (May 19, 2021) – Suncor will host an Investor Day online at 8:00 a.m. MT (10:00 a.m. ET) on May 26, 2021.

During the presentation, Suncor will share its medium-term corporate outlook, provide an update on the progress to date of its $2B of free funds flow generation as well as discuss other strategic objectives.

Participants will need access to the internet for the full duration of the meeting. The event will consist of a two-hour presentation, followed by a one-hour question and answer session.

To register for the event, visit this link or visit https://www.suncor.com/en-ca/investor-centre/presentations-and-key-dates. The event will be archived for 90 days.

Suncor Energy is Canada's leading integrated energy company, with a global team of over 30,000 people. Suncor's operations include oil sands development, production and upgrading, offshore oil and gas, petroleum refining in Canada and the US, and our national Petro-Canada retail distribution network (now including our Electric Highway network of fast-charging EV stations). A member of Dow Jones Sustainability indexes, FTSE4Good and CDP, Suncor is responsibly developing petroleum resources, while profitably growing a renewable energy portfolio and advancing the transition to a low-emissions future. Suncor is listed on the UN Global Compact 100 stock index. Suncor's common shares (symbol: SU) are listed on the Toronto and New York stock exchanges. For more information about Suncor, visit our web site at suncor.com, follow us on Twitter @Suncor.

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For more information about Suncor, visit our web site at suncor.com, follow us on Twitter @Suncor or Living our Purpose.

Investor inquiries:	Media inquiries:
1-800-558-9071	1-833-296-4570
invest@suncor.com	media@suncor.com

Suncor Energy
150 6 Avenue S.W. Calgary, Alberta T2P 3E3
suncor.com