6-K

UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUERPURSUANT TO RULE 13a-16 OR 15d-16 UNDERTHE SECURITIES EXCHANGE ACT OF 1934

For the month of March 2026

Commission File Number: 001-42101

SUPER HIINTERNATIONAL HOLDING LTD.

1 Paya Lebar Link, #09-04

PLQ 1 Paya Lebar Quarter

Singapore 408533

+65 6378 1921

(Address of principal executive offices)

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 ¨

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: March 31, 2026

Exhibit 99.1

HongKong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement,make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arisingfrom or in reliance upon the whole or any part of the contents of this announcement.

SUPERHI INTERNATIONAL HOLDING LTD.

特海国际控股有限公司

(Incorporatedin the Cayman Islands with limited liability)

(HKEXStock Code: 9658; NASDAQ Symbol: HDL)

UPDATEON QUALIFICATION OF COMPANY SECRETARY AND

CHANGEOF JOINT COMPANY SECRETARY AND PROCESS AGENT

UPDATEON QUALIFICATION OF COMPANY SECRETARY

References are made to (i) the waiver (the “Waiver”) granted to the SUPER HI INTERNATIONAL HOLDING LTD. (the “Company”) by The Stock Exchange of Hong Kong Limited (the “Stock Exchange”) from strict compliance with the requirements of Rules 3.28 and 8.17 of the Rules Governing the Listing of Securities on the Stock Exchange (the “Listing Rules”) in relation to the qualification of Ms. Qu Cong (“Ms. Qu”) to act as a joint company secretary of the Company (the “Joint Company Secretary”) for the period from December 30, 2022 to December 29, 2025 (the “WaiverPeriod”), on the condition that Ms. Qu would be assisted by Ms. So Shuk Yi Betty (“Ms. So”), who possesses the qualifications required under Rule 3.28 of the Listing Rules, during the Waiver Period; and (ii) the announcement of the Company dated May 30, 2023 in relation to, among other things, the change of Joint Company Secretary and an authorized representative of the Company under Part 16 of the Companies Ordinance (Chapter 622 of the Laws of Hong Kong) for the acceptance of service of process and notices in Hong Kong (the “Process Agent”) from Ms. So to Mr. Cheng Ching Kit (“Mr. Cheng”), and the grant of a new Waiver for the period from May 30, 2023 to December 29, 2025.

The board (the “Board”) of directors (the “Directors”) of the Company is pleased to announce that the Stock Exchange has confirmed that Ms. Qu meets the qualification to act as the company secretary of the Company under Rule 3.28 of the Listing Rules.

CHANGEOF JOINT COMPANY SECRETARY AND PROCESS AGENT

The Board hereby announces that Mr. Cheng has tendered his resignation as a Joint Company Secretary and the Process Agent of the Company, with effect from March 31, 2026. Mr. Cheng has confirmed that he has no disagreement with the Board, and there is no matter relating to his resignation that needs to be brought to the attention of the shareholders of the Company and the Stock Exchange.

The Board further announces that Ms. Oh Sim Yee (“Ms. Oh”) has been appointed as a Joint Company Secretary and the Process Agent of the Company with effect from March 31, 2026.

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The biographical details of Ms. Oh are set out as follows:

Ms. Oh is an assistant manager of SWCS Corporate Services Group (Hong Kong) Limited and has over 12 years of experience in the corporate secretarial field. She has been an associate member of both The Hong Kong Chartered Governance Institute and The Chartered Governance Institute in the United Kingdom since 2017. In addition, she holds a Bachelor of Business Degree in Accounting from the Victoria University, Australia.

The Board would like to take this opportunity to express its gratitude to Mr. Cheng for his contribution to the Company during his tenure of service and welcome Ms. Oh on her new appointments.

Singapore, March 31, 2026

Asof the date of this announcement, the Board comprises Ms. SHU Ping as the chairlady and non-executive Director; Ms. June YANGLijuan, Mr. LI Yu and Ms. LIU Li as executive Directors; and Mr. TAN Kang Uei, Anthony, Mr. TEO Ser Luck and Mr. LIENJown Jing Vincent as independent non-executive Directors.

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