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 the month of October 2015.

Commission File Number: 000-30910

O2Micro International Limited
(Translation of registrant's name into English)

Grand Pavilion Commercial Centre, West Bay Road
P.O. Box 32331 SMB, George Town
Grand Cayman, Cayman Islands
(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.

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On October 7, 2015 the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.


(c)     Exhibit 99.1. Press release dated October 7, 2015

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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.

		O2Micro International Limited (Registrant)
Date: October 7, 2015		/s/ STERLING DU Sterling Du Chief Executive Officer

EXHIBIT 99.1

O2Micro to Announce Third Quarter 2015 Results

GEORGE TOWN, Grand Cayman, Oct. 7, 2015 (GLOBE NEWSWIRE) -- O₂Micro^® International Limited, (NASDAQ:OIIM), a global leader in the design, development and marketing of high-performance integrated circuits and solutions, will announce its financial results for the third quarter, ended September 30, 2015, on Wednesday, November 4, 2015.

The press release will be followed by a conference call at 6:00 a.m. (PST), 9:00 a.m. (EST). You may participate using the following dial-in information.

In the US and CANADA:	800-505-9568, pass code #967965
INTERNATIONAL participants:	416-204-9271, pass code #967965

A replay of the call will be available by phone until November 11^th using the following dial-in information.

In the US and CANADA:	888-203-1112, pass code #967965
INTERNATIONAL participants:	719-457-0820, pass code #967965

A live webcast will also be available on the Company's website at http://ir.o2micro.com, and an online replay will be available on the website for one week.

About O₂Micro

Founded in April 1995, O₂Micro develops and markets innovative power management components for the Computer, Consumer, Industrial, Automotive and Communications markets. Products include LED General Lighting, Backlighting, Battery Management and Power Management.

O₂Micro International maintains an extensive portfolio of intellectual property with 29,285 patent claims granted, and over 30,000 more pending. The company maintains offices worldwide. Additional company and product information can be found on the company website at www.o2micro.com.

O₂Micro, the O₂Micro logo, and combinations thereof are registered trademarks of O₂Micro. All other trademarks or registered trademarks are the property of their respective owners.

CONTACT: Scott L. Anderson
         Director of Investor Relations, O2Micro
         Phone: [phone], x8888
         Email: [e-mail]