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 2026

Commission File Number: 001-42469

Uni-Fuels Holdings Limited

(Registrant’s Name)

9 Temasek Boulevard, Suntec Tower 2 #19-03

Singapore 038989

(Address of Principal Executive Offices)

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

Form 20-F ☒ Form 40-F ☐

Information Contained in this Form 6-K Report

Press Release

On October 29, 2026, Uni-Fuels Holdings Limited (the “Company”) issued a press release announcing that the Company will effect a share consolidation of its Class A ordinary shares of par value US$0.0001 each and Class B ordinary shares of par value US$0.0001 each at a ratio of 1-for-10, effective on November 3, 2026. Copy of the press release is being furnished as Exhibit 99.1 to this Form 6-K.

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 INDEX