Company: DLNG
Filing Date: 2025-09-18
Form Type: 6-K
Source: 0001104659-25-091233
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Company: Dynagas LNG Partners LP
Filing Date: 2025-09-18
Form: 6-K
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<div align='center'>UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 OFTHE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2025

Commission File Number:

(Translation of registrant’s name into English)

Poseidonos Avenue and 2 Foivis Street

166 74 Glyfada, Athens, Greece

(Address of principal executive office)</div>

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

<div align='center'>Form 20-F☒Form 40-F☐

INFORMATION CONTAINED IN THIS REPORT ON FORM 6-K</div>

Attached asExhibit 99.1to this Report on Form 6-K (this “Report”) is management’s discussion and analysis of financial condition and results of operations and interim unaudited consolidated financial statements for the six months ended June 30, 2025 of Dynagas LNG Partners LP (the “Partnership”).

The information contained in this Report is hereby incorporated by reference into the Partnership’s registration statement on Form F-3 (File No. 333-281195) that has an effective date of November 13, 2024.

<div align='center'>FORWARD-LOOKING STATEMENTS</div>

Matters discussed in this Report on Form 6-K may constitute forward-looking statements. The Private Securities Litigation Reform Act of 1995 provides safe harbor protections for forward-looking statements in order to encourage companies to provide prospective information about their business. Forward-looking statements include statements concerning plans, objectives, goals, strategies, future events or performance, and underlying assumptions and other statements, which are other than statements of historical facts.

The Partnership desires to take advantage of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and is including this cautionary statement in connection with this safe harbor legislation. The words “believe,” “anticipate,” “intends,” “estimate,” “forecast,” “project,” “plan,” “potential,” “project,” “will,” “may,” “should,” “expect,” “expected,” “pending” and similar expressions identify forward-looking statements. These forward-looking statements are not intended to give any assurance as to future results and should not be relied upon.

The