UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

Under the Securities Exchange Act of 1934

For the month of November, 2016.

Commission File Number: 1-31253

PENGROWTH ENERGY CORPORATION

(Exact name of registrant as specified in its charter)

2100, 222 Third Avenue S.W.

Calgary, Alberta T2P 0B4 Canada

(Address of principal executive offices)

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   þ

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):

INCORPORATION BY REFERENCE

Exhibit 99.1 to this report on Form 6-K is hereby incorporated by reference into the registration statements on Form F-3D (File No. 333-180888) and F-10 (File No. 333-204089) of Pengrowth Energy Corporation.

DOCUMENTS FILED AS PART OF THIS FORM 6-K

See the Exhibit Index to this Form 6-K.