Report of Foreign Issuer (6-k)

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 February 20, 2017

Harmony Gold Mining Company Limited

Randfontein Office Park

Corner Main Reef Road and Ward Avenue

Randfontein, 1759

South Africa

(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 ☒

Form 40-F ☐

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

Yes ☐

No ☒

Harmony Gold Mining Company Limited

Registration number 1950/038232/06

Incorporated in the Republic of South Africa

ISIN: ZAE000015228

JSE share code: HAR

(“Harmony” or “the company”)

Fatality at Bambanani

Johannesburg, Monday, 20 February 2017: Harmony Gold Mining Company Limited (“Harmony” and/or the “Company”) regrets to advise that one of our employees was fatally injured in a fall of ground incident at our Bambanani mine in Welkom in the Free State on Friday, 17 February 2017.

The deceased was a winch driver and has been in Harmony’s employ since 2013. An investigation into the accident is underway.

Management expressed their sincere condolences to the family, friends and colleagues of the deceased.

Ends

For more details contact:

Marian van der Walt

Executive: Corporate and Investor Relations

+27 (0) 82 888 1242 (mobile)

20 February 2017

Sponsor:

J.P. Morgan Equities South Africa Proprietary Limited.

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.