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, 2017

Commission File Number 001-31236

TSAKOS ENERGY NAVIGATION LIMITED

(Translation of registrant’s name into English)

367 Syngrou Avenue, 175 64 P.

Faliro, Athens, Greece

(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 ☐

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):

TSAKOS ENERGY NAVIGATION LIMITED

FORM 6-K

This report on Form 6-K is hereby incorporated by reference into the following Registration Statements of the Company:

•

Registration Statement on Form F-3 (No. 333-219569) filed with the SEC on July 28, 2017;

•

Registration Statement on Form F-3 (No. 333-206852) filed with the SEC on September 9, 2015;

•

Registration Statement on Form F-3 (No. 333-159218) initially filed with the SEC on May 13, 2009, as amended;

•

Registration Statement on Form F-3 (No. 333-111615) filed with the SEC on December 30, 2003;

•

Registration Statement on Form S-8 (No. 333-183007) initially filed with the SEC on August 2, 2012, as amended;

•

Registration Statement on Form S-8 (No. 333-134306) initially filed with the SEC on May 19, 2006, as amended;

•

Registration Statement on Form S-8 (No. 333-104062) filed with the SEC on March 27, 2003; and

•

Registration Statement on Form S-8 (No. 333-102860) filed with the SEC on January 31, 2003.

EXHIBIT INDEX


99.1		Consolidated Financial Statements (Unaudited), June 30, 2017

99.2		Management’s Discussion and Analysis of Financial Condition and Results of Operations

99.3		Capitalization at June 30, 2017

101.INS		XBRL Instance Document

101.SCH		XBRL Taxonomy Extension Schema

101.CAL		XBRL Taxonomy Extension Calculation Linkbase

101.DEF		XBRL Taxonomy Extension Definition Linkbase

101.LAB		XBRL Taxonomy Extension Label Linkbase

101.PRE		XBRL Taxonomy Extension Presentation Linkbase

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.

Date: October 2, 2017