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 March, 2026.

Commission File Number: 001-41996

HAFNIA LIMITED

c/o Hafnia SG Pte Ltd

10 Pasir Panjang Road,

#18-01 Mapletree Business City,

Singapore 117438+65 6434 3770

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 ☐

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Attached to this Report on Form 6-K as Exhibit 99.1 is a copy of the press release of Hafnia Limited (the “Company”), announcing that the Company has cancelled a number of its treasury shares.

The information contained in Exhibit 99.1 to this Report on Form 6-K is hereby incorporated by reference into the Company’s registration statement on Form F-3 (File No. 333-287637) that was filed with the U.S. Securities and Exchange Commission effective May 29, 2025.

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.

Exhibit 99.1

HAFNIA LIMITED: Cancellation of treasury shares

Reference is made to the announcement made by Hafnia Limited (“Hafnia”, the “Company”, OSE ticker code: “HAFNI”, NYSE ticker code: “HAFN”) on 27 January 2025 regarding the finalisation of the share buyback program announced on 2 December 2024.

The Company has today cancelled 12,681,253 shares repurchased pursuant to the share buyback program during the period from 2 December 2024 to 27 January 2025. A further 40,000 shares held in the Company’s treasury account with its transfer agent outside the VPS and DTC systems have also been cancelled.

Following these cancellations, the total number of issued shares in the Company is 499,842,279, of which 60,974 shares are held in treasury by the Company.

This information is subject to the disclosure requirements pursuant to section 5-12 of the Norwegian Securities Trading Act.

For further information, please contact:

Mikael Skov

CEO Hafnia Limited

+65 8533 8900

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About Hafnia Limited:

Hafnia is one of the world’s leading tanker owners, transporting oil, oil products and chemicals for major national and international oil companies, chemical companies, as well as trading and utility companies.

As owners and operators of around 200 vessels, we offer a fully integrated shipping platform, including technical management, commercial and chartering services, pool management, and a large-scale bunker procurement desk. Hafnia has offices in Singapore, Copenhagen, Houston, and Dubai and currently employs over 4000 employees onshore and at sea.

Hafnia is part of the BW Group, an international shipping group involved in oil and gas transportation, floating gas infrastructure, environmental technologies, and deep-water production for over 80 years.