Securities Act Registration No. 333-178833

Investment Company Act Registration No. 811-22655

As filed with the Securities and Exchange Commission on March 27, 2013

SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ý

¨ Pre-Effective Amendment No.

ý Post-Effective Amendment No. 3 7

and/or

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940 ý

ý Amendment No. 3 8

(Check appropriate box or boxes.)

Northern Lights Fund Trust III

(Exact Name of Registrant as Specified in Charter)

17605 Wright Street, Omaha, NE 68130

(Address of Principal Executive Offices)(Zip Code)

Registrant’s Telephone Number, including Area Code: (402) 895-1600

The Corporation Trust Company

1209 Orange Street

Wilmington, DE 19801

(Name and Address of Agent for Service)

With copy to:

JoAnn M. Strasser, Thompson Hine LLP 41 South High Street, 17th Floor Columbus, Ohio 43215 614-469-3265 (phone) 614-469-3361 (fax) James P. Ash, Gemini Fund Services, LLC 80 Arkay Drive, Suite 110 Hauppauge, New York 11788 (631) 470-2619

Approximate date of proposed public offering: As soon as practicable after the effective date of the Registration Statement.

It is proposed that this filing will become effective:

ý Immediately upon filing pursuant to paragraph (b)

¨ On (date) pursuant to paragraph (b)

¨ 60 days after filing pursuant to paragraph (a)(1)

¨ On (date) pursuant to paragraph (a)(1)

¨ 75 days after filing pursuant to paragraph (a)(2)

¨ On (date) pursuant to paragraph (a)(2) of Rule 485.

If appropriate, check the following box:

¨ This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

This filing relates solely to the Marathon Value Portfolio.

Signatures

Pursuant to the requirements of the Securities Act of 1933, as amended, and Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this registration statement under rule 485(b) under the Securities Act and has duly caused this Post-Effective Amendment No. 3 7 to the Registration Statement on Form N-1A to be signed on its behalf by the undersigned, duly authorized in the City of Hauppauge, State of New York on the 27 ^th day of March, 2013.

                                                NORTHERN LIGHTS FUND TRUST III

                             (Registrant)

/s/ Andrew Rogers

By: Andrew Rogers,

President and Principal Executive Officer

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.

Name	Title
Andrew Rogers*	President	March 27 , 2013
/s/ Brian Curley	Treasurer	March 27 , 2013
Mark H. Taylor*	Independent Trustee	March 27 , 2013
Jerry Vincentini*	Independent Trustee	March 27, 2013
Anthony M. Payne*	Independent Trustee	March 27, 2013
James U. Jensen*	Independent Trustee	March 27, 2013
John Palancia*	Independent Trustee	March 27, 2013

By:                                     Date:

/s/ James Ash       

March 27, 2013

James Ash

*Attorney-in-Fact – Pursuant to Powers of Attorney previously filed on April 9, 2012 to the Registrant’s Registration Statement on Form N-1A.

EXHIBIT INDEX

EXHIBIT INDEX

Index No.	Description of Exhibit
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.CAL	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase