Report of Foreign Issuer (6-k)

TURQUOISE HILL RESOURCES LTD.

Date: September 16, 2015

/s/ Dustin S. Isaacs

Dustin S. Isaacs

General Counsel & Corporate Secretary

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

September 16, 2015

Commission File Number: 001-32403

TURQUOISE HILL RESOURCES LTD.

(Translation of Registrant’s Name into English)

Suite 354 – 200 GRANVILLE STREET, VANCOUVER, BRITISH COLUMBIA V6C 1S4

(Address of Principal Executive Office)

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, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

EXHIBIT INDEX

99.1	Press Release

Exhibit 99.1

LOGO

September 16, 2015

Press release

Turquoise Hill announces management change

VANCOUVER, CANADA – Turquoise Hill Resources today announced the resignation of Stewart Beckman, Senior Vice President, Operations and Technical Development, effective October 1, 2015. Mr. Beckman has accepted a new position within Rio Tinto.

Jeff Tygesen, Turquoise Hill Chief Executive Officer, said, “I would like to thank Stewart for his significant contribution to Turquoise Hill, where he has been an integral part of the management team since May 2012. He has been a driving force behind the operational advancement of Oyu Tolgoi and led the preparation for underground development.”

The Company is currently conducting a search for Mr. Beckman’s replacement, which will be announced in due course. Mr. Beckman will provide support in the interim to ensure a smooth transition.

About Turquoise Hill Resources

Turquoise Hill Resources (NYSE, NASDAQ & TSX: TRQ) is an international mining company whose primary operation is its 66% interest in the Oyu Tolgoi copper-gold-silver mine in southern Mongolia.

Contact

Investors and Media

Tony Shaffer

Office: +1 604 648 3934

Email: tony.shaffer@turquoisehill.com

Forward-looking statements

Certain statements made herein, including statements relating to matters that are not historical facts and statements of the Company’s beliefs, intentions and expectations about developments, results and events which will or may occur in the future, constitute “forward-looking information” within the meaning of applicable Canadian securities legislation and “forward-looking statements” within the meaning of the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. Forward-looking information and statements relate to future events or future performance, reflect current expectations or beliefs regarding future events and are typically identified by words such as “anticipate”, “could”, “should”, “expect”, “seek”, “may”, “intend”, “likely”, “plan”, “estimate”, “will”, “believe” and similar expressions suggesting future outcomes or statements regarding an outlook. These include, but are not limited to, statements respecting anticipated business activities, planned expenditures, corporate strategies and other statements that are not historical facts.

Forward-looking statements and information are made based upon certain assumptions and other important factors that, if untrue, could cause the actual results, performance or achievements of the Company to be materially different from future results, performance or achievements expressed or implied by such statements or information. There can be no assurances that such statements or information will prove accurate. Such statements and information contained herein represent the Company’s best judgment as of the date hereof based on information currently available. The Company does not assume any obligation to update any forward-looking statements or information or to conform these forward-looking statements or information to actual results, except as required by law.

Important factors that could cause actual results to differ from these forward-looking statements and information are included in the “Risk Factors” section of the Annual Information Form dated as of March 20, 2015 in respect of the year ended December 31, 2014.