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 September 2026

Commission file number: 001-39109

Fangdd Network Group Ltd.

Room 1501, Shangmei Technology Building

No. 15 Dachong Road

Nanshan District, Shenzhen, 518072

People’s Republic of China

Phone: +86 755 2699 8968

(Address and Telephone Number 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 ☐

EXPLANATORY NOTE

This current report on Form 6-K is hereby incorporated by reference into the registration statement of Fangdd Network Group Ltd. on Form F-3 (No. 333-289070) and shall be a part thereof from the date on which this current report is furnished, to the extent not superseded by documents or reports subsequently filed.

EXHIBIT INDEX

Signature

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: September 29, 2026

ATTACHMENTS / EXHIBITS

UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS FOR THE SIX MONTHS ENDED JUNE 30, 2026

XBRL SCHEMA FILE

XBRL CALCULATION FILE

XBRL DEFINITION FILE

XBRL LABEL FILE

XBRL PRESENTATION FILE

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