6-K

UNITED STATESSECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TORULE 13a-16 OR 15d-16 UNDER THESECURITIES EXCHANGE ACT OF 1934

For the month of November 2023

Commission File Number: 001-34656

H World Group Limited

(Registrant’s name)

No. 1299 Fenghua Road

Jiading District

ShanghaiPeople’s Republic of China(86) 21 6195-2011(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 x Form 40-F o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b) (1): o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b) (7): o

EXHIBIT INDEX

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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.

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Exhibit 99.1

Hong Kong Exchanges and Clearing Limited andThe Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to itsaccuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the wholeor any part of the contents of this announcement.

H World Group Limited

華住集團有限公司

(Formerly known as HuazhuGroup Limited)

(Incorporated in theCayman Islands with limited liability)

(Stock Code: 1179)

DATE OF BOARDRESOLUTION IN RELATION TO CASH DIVIDEND

H World Group Limited (the “Company”) announces that the board of directors of the Company (the “Board”) is considering the declaration and payment of a dividend in cash. If the Board decides to proceed, the declaration of dividend will be adopted by Board resolution on or around Wednesday, November 29, 2023 (Hong Kong time).

Hong Kong, November 17, 2023

As at the date of this announcement, the Boardcomprises Mr. JI Qi, the Executive Chairman, and Mr. ZHANG Shangzhi as directors; Mr. John WU Jiong, Ms. ZHAO TongTong, Mr. SHANG Jian, Mr. HEE Theng Fong and Ms. CAO Lei as independent directors.