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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: April 2009

  Commission File Number: 1-12384

SUNCOR ENERGY INC.
(Name of registrant)

112 Fourth Avenue S.W.
P.O. Box 38
Calgary, Alberta
Canada, T2P 2V5

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   o   Form 40-F   ý

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the SEC pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:

Yes   o   No   ý

If "Yes" is marked, indicate the number assigned to the registrant in connection with Rule 12g3-2(b): N/A



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: April 30, 2009

 

By:

 

/s/ Arlene J. Strom
       
ARLENE J. STROM
Assistant Corporate
Secretary


EXHIBIT INDEX

Exhibit
  Description of Exhibit
  99.1   Notice of Annual General and Special Meetings, Letters to Shareholders, Notice of Joint Petition and Joint Information Circular and Proxy Statement, dated April 29, 2009
  99.2   Form of Proxy



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SIGNATURES
EXHIBIT INDEX