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 March, 2016

Commission File Number                         

Novogen Limited

(Translation of registrant’s name into English)

16-20 Edgeworth David Ave, Hornsby, NSW 2077, Australia

(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  þ             Form 40-F   ¨

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):  ¨

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

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):  ¨

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant’s security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

Indicate by check mark if 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  þ

If “yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b)

SIGNATURE

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.

Novogen Limited (Registrant)

Lionel Mateo

Lionel Mateo

Company Secretary

Date 11 March 2016

ASX:NRT   NASDAQ:NVGN   Novogen Ltd (Company)   ABN 37 063 259 754     Capital Structure   Ordinary Shares on issue:   429 M     Board of Directors   Mr John O’Connor Chairman Non-Executive Director   Mr Bryce Carmine Deputy Chairman Non-Executive Director   Dr James Garner Chief Executive Officer Executive Director   Mr Ian Phillips MNZM Non-Executive Director   Mr Iain Ross Non-Executive Director   Mr Steve Coffey Non-Executive Director   Prof Peter Gunning Non-Executive Director ASX RELEASE 11 March 2016   NOVOGEN WITHDRAWS RESOLUTION TO INCREASE REMUNERATION CAP FOR NON-EXECUTIVE DIRECTORS   Sydney, 11 March 2016 – US-Australian drug discovery company, Novogen (ASX: NRT; NASDAQ: NVGN) today announced that the Board of Directors has resolved to withdraw Resolution 3 from the extraordinary general meeting of shareholders on Friday, March 18, 2016.   The Company has decided that it is inopportune to propose the resolution at this time. Whilst there had been no intention of using the increased cap, the Board accepts the concern this has caused shareholders.   It does not affect the validity of proxy forms submitted in respect of the remaining resolutions to be put to shareholders for approval.   [ENDS]   About Novogen Limited   Novogen is an oncology-focused, Australian-US drug development company, traded on both the Australian Securities Exchange (NRT) and on NASDAQ (NVGN). Novogen has two proprietary drug discovery platforms, the superbenzopyrans (SBPs) and the anti-tropomyosins (ATMs), which have provided first-in-class agents with potential application across a range of oncology indications. The Company has three lead molecules Cantrixil, Anisina, and Trilexium, which are in advanced preclinical development for various cancer types, with the most advanced molecule, Cantrixil, slated to enter clinical trials in the second half of 2016. For more information, please visit www.novogen.com.

Forward Looking Statement

This press release contains “forward-looking statements” within the meaning of section 27A of the Securities Act of 1933 and section 21E of the Securities Exchange Act of 1934. The Company has tried to identify such forward-looking statements by use of such words as “expects,” “appear,” “intends,” “hopes,” “anticipates,” “believes,” “could,” “should,” “would,” “may,” “target,” “evidences” and “estimates,” and other similar expressions, but these words are not the exclusive means of identifying such statements. Such statements include, but are not limited to any statements relating to the Company’s drug development program, including, but not limited to the initiation, progress and outcomes of clinical trials of the Company’s drug development program, including, but not limited to Cantrixil, Anisina, Trilexium, and any other statements that are not historical facts. Such statements involve risks and uncertainties, including, but not limited to, those risks and uncertainties relating to the difficulties or delays in financing, development, testing, regulatory approval, production and marketing of the Company’s drug components, including, but not limited to, Cantrixil, Anisina, Trilexium, the ability of the Company to procure additional future sources of financing, unexpected adverse side effects or inadequate therapeutic efficacy of the Company’s drug compounds, including, but not limited to, Cantrixil, Anisina, Trilexium, that could slow or prevent products coming to market, the uncertainty of patent protection for the Company’s intellectual property or trade secrets, including, but not limited to, the intellectual property relating to Cantrixil, Anisina, Trilexium, and other risks detailed from time to time in the filings the Company makes with Securities and Exchange Commission including its annual reports on Form 20-F and its reports on Form 6-K. Such statements are based on management’s current expectations, but actual results may differ materially due to various factions including those risks and uncertainties mentioned or referred to in this press release. Accordingly, you should not rely on those forward-looking statements as a prediction of actual future results.

Media Enquiries

Kym Robins

Marketing and Communications Director, Novogen Group

E: kym.robins@novogen.com / +61 (0) 2 9472 4109