6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OFFOREIGN PRIVATE ISSUER

PURSUANT TORULE 13a-16 OR 15d-16

UNDER THESECURITIES EXCHANGE ACT OF 1934

For the month of May 2023

Commission File Number 001-31236

TSAKOS ENERGY NAVIGATION LIMITED

(Translation of registrant’s name into English)

367 SyngrouAvenue, 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  ☐

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<br>Statement (Form F-3 No. 333-240253) filed with the SEC on July 31, 2020;
•	Registration Statement<br>on Form F-3 (No. 333-234279) filed with the SEC on October 21, 2019;
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•	Registration Statement<br>on Form F-3 (No. 333-206852) filed with the SEC on September 9, 2015; and
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•	Registration Statement<br>on Form S-8 (No. 333-183007) initially filed with the SEC on August 2, 2012, as amended.
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The press release issued by Tsakos Energy Navigation Ltd. on May 8, 2023 announcing that it has declared dividends on its Series D and Series E Preferred Shares is attached hereto as Exhibit 99.1.

EXHIBIT INDEX

99.1	Press Release, dated May 8, 2023

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: May 9, 2023

TSAKOS ENERGY NAVIGATION LIMITED
By:	/s/ George Saroglou
	George Saroglou
	Chief Operating Officer

EX-99.1

Exhibit 99.1

TSAKOS ENERGY NAVIGATION LIMITED<br><br><br>(TEN)<br> <br>367 Syngrou Avenue,175 64 P. Faliro, Hellas<br> <br>Tel: *30210 94 07 710-3,*Fax: 30210 94 07 716, e-mail: ten@tenn.gr<br><br><br>Website: http://www.tenn.gr

Press Release

May 8, 2023

TEN Ltd. Declares Dividend on its

Series D and Series E Cumulative Perpetual Preferred Shares

ATHENS, GREECE, May 8, 2023 – TEN Ltd. (“TEN”) (NYSE: TNP) (the “Company”), a leading diversified crude, product and LNG tanker operator, today announced that its Board of Directors declared the regular quarterly cash dividend of $0.546875 per share for its Series D Cumulative Perpetual Preferred Shares (the “Series D Preferred Shares”; NYSE; TNPPRD) and the regular quarterly cash dividend of $0.578125 per share for its Series E Cumulative Perpetual Preferred Shares (the “Series E Preferred Shares”; NYSE; TNPPRE).

The dividend on the Series D and Series E is for the period from the most recent dividend payment date of February 28, 2023 through May 27, 2023.

The dividend on the Series D and E Preferred Shares will be paid on May 30, 2023 to all holders of record of Series D and E Preferred Shares as of May 24, 2023. Dividends on the Series D and E Preferred Shares are payable quarterly in arrears on the 28^th^ day (unless the 28^th^falls on a weekend or public holiday, in which case the payment date is moved to the next business day) of February, May, August and November of each year, when, as and if declared by TEN’s board of directors. This is the 32^nd^ dividend on the Series D and the 25^th^ dividend on the Series E since their commencement of trading on the New York Stock Exchange.

TEN has 3,517,061 Series D and 4,745,947 Series E Preferred Shares outstanding as of the date of this press release.

ABOUT TSAKOS ENERGY NAVIGATION

TEN, founded in 1993 and celebrating this year 30 years as a public company, is one of the first and most established public shipping companies in the world. TEN’s diversified energy fleet currently consists of 67 double-hull vessels including four dual-fuel LNG powered Aframaxes, two scrubber – fitted Suezmaxes and up to three DP2 Shuttle tankers under construction constituting a mix of crude tankers, product tankers and LNG carriers, totaling 8.5 million dwt.

Visit our company website at: http://www.tenn.gr

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ABOUT FORWARD-LOOKING STATEMENTS

Except for the historical information contained herein, the matters discussed in this press release are forward-looking statements that involve risks and uncertainties that could cause actual results to differ materially from those predicted by such forward-looking statements. TEN undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events, or otherwise.

For further information, please contact:

Company

Tsakos Energy Navigation Ltd.

George Saroglou

COO

+30210 94 07 710

gsaroglou@tenn.gr

Investor Relations / Media

Capital Link, Inc.

Nicolas Bornozis

Markella Kara

+212 661 7566

ten@capitallink.com

Visit our company website at: http://www.tenn.gr

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