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 April, 2013

Commission File Number                     

Novogen Limited

(Translation of registrant’s name into English)

1-7 Waterloo Road, Macquarie Park, NSW, 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  x            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  x

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)

Andrew Bursill

Andrew Bursill

Company Secretary

Date 22 April 2013

Appendix 3Z

Final Director’s Interest Notice

Rule 3.19A.3

Appendix 3Z

Final Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/9/2001.

Name of entity	NOVOGEN LIMITED
ABN	37 063 259 754

We (the entity) give ASX the following information under listing rule 3.19A.3 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of director	Josiah Austin
Date of last notice	22 September 2010
Date that director ceased to be director	19 April 2013

Part 1 – Director’s relevant interests in securities of which the director is the registered holder

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Number & class of securities

NIL

+ See chapter 19 for defined terms.

11/3/2002 Appendix 3Z Page 1

Appendix 3Z

Final Director’s Interest Notice

Part 2 – Director’s relevant interests in securities of which the director is not the registered holder

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Name of holder & nature of interest	Number & class of securities
Note: Provide details of the circumstances giving rise to the relevant interest
El Coronado Holdings LLC (Director)	3,148,484 ADRs and 4,531,633 Ordinary Shares
JZ Sylvester Und AZ UNIF (Trustee)	200 ADRs
JZ Sylvester Grandchild Gift Trust (Trustee)	250 ADRs
JA Lowery Grandchild Gift Trust (Trustee)	250 ADRs
MK Lowery Grandchild Gift Trust (Trustee)	250 ADRS
AL Elias Und AZ UNIF (Trustee)	750 ADRS
Al Elias Trust dtd 4/06/06 (Trustee)	1,100 ADRs

Part 3 – Director’s interests in contracts

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
No. and class of securities to which interest relates	N/A

+ See chapter 19 for defined terms.

Appendix 3Z Page 2 11/3/2002