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 19, 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)

DATEOF BOARD MEETING

The board (the “Board”) of directors (the “Directors”) of SUPER HI INTERNATIONAL HOLDING LTD. (the “Company”, and together with its subsidiaries, the “Group”) hereby announces that a meeting of the Board will be held on Tuesday, March 31, 2026, for the purposes of, among other matters, considering and approving (i) the unaudited financial results of the Group for the three months ended December 31, 2025 (the “Q4 Results”) and its publication; (ii) the annual results of the Group for the year ended December 31, 2025 (the “Annual Results”) and its publication; and (iii) the recommendation of a final dividend, if any.

The Group will announce the Q4 Results and the Annual Results on the website of The Stock Exchange of Hong Kong Limited (the “StockExchange”) at www.hkexnews.hk after the trading hours of the Stock Exchange on the same day.

Following the announcement of the Q4 Results and the Annual Results, the Company’s management will host a Chinese language earnings conference call on Tuesday, March 31, 2026, at 8:00 p.m., Hong Kong Time (i.e. March 31, 2026, at 8:00 a.m., U.S. Eastern Time).

To join the conference call, please register in advance of the conference call through the link provided below. Upon registration, you will be provided with participant dial-in numbers and a personal passcode.

Conference call registration link (Chinese session): https://register-conf.media-server.com/register/BI99c81d895661433c9e8fead1cb365edf

A live webcast of the conference call will be available in both English and Chinese. Participants may access the webcast using the following links:

Chinese:   https://edge.media-server.com/mmc/p/zj835tum/lan/zhs

English:   https://edge.media-server.com/mmc/p/zj835tum

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Additionally, an archived webcast of this conference call will be available at the Company’s investor relations website at https://ir.superhiinternational.com.

Singapore, March 19, 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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