Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-8 of our reports dated April 23, 2024, relating to the financial statements of H World Group Limited and the effectiveness of H World Group Limited’s internal control over financial reporting appearing in the Annual Report on Form 20-F for the year ended December 31, 2023.

/s/ Deloitte Touche Tohmatsu Certified Public Accountants LLP

Deloitte Touche Tohmatsu Certified Public Accountants LLP

Shanghai, China
August 20, 2024