Malaysia participated at the 2023 Southeast Asian Games in Phnom Penh, Cambodia from 5 to 17 May 2023. The Malaysian contingent consisted of 677 athletes, 403 being men and 274 women - competing in 33 sports. The contingent also included 237 officials.
The third Olympic Council of Malaysia (OCM) executive board meeting for the 2021/ 2025 session on 11 January 2023 has agreed to appoint OCM assistant treasurer Datuk Mohd Nasir Ali as the chef de mission (CDM) for the 32nd SEA Games in Cambodia. On 17 February, OCM appointed bowling legend Datuk Shalin Zulkifli and former squash champion Sharon Wee as the deputy CDM.
On 27 April 2023, it was announced that karate exponent, Sharmendran Raghonathan will be the flag bearer at the Opening Ceremony. In a statement, OCM president Tan Sri Mohamad Norza Zakaria said after reviewing the list that included seven other nominees, Sharmendran was selected based on his medal prospects and experience. Sharmendran now becomes the second karate athlete to be the Jalur Gemilang flag bearer at the SEA Games, after Puvaneswaran Ramasamy in Hanoi at the 2003 Southeast Asian Games.
During the flag handover ceremony at Bukit Jalil, Kuala Lumpur on 30 April 2023, Malaysian Youth and Sports Minister Hannah Yeoh announced the 141-medal target for the delegation, which consists of 40 gold, 37 silver and 64 bronze medals. Several factors were taken into consideration when setting the target, such as the lack of events which the national delegation is capable of winning medals, and several engagement sessions as well as latest data on the capabilities of athletes from other competing countries.
65 athletes were sent by the contingent with 38 being men, 27 women.
Men
Women
Mixed
Men
Women
Malaysia sent a total of 20 badminton players with 10 players per gender. Originally, Justin Hoh was called up to participate in the games, however, he was replaced with Kok Jing Hong after rupturing his achilles tendon during training.
Men
Malaysia will be sending 3 breakdancers, 2 male and 1 female.
Malaysia sent a total of 8 divers, 4 per gender.
The Olympic Council of Malaysia (OCM) Esports Selection Taskforce revealed the full lineup of Mobile Legends: Bang Bang Women's Category players who will be competing at the 32nd SEA Games on 13 March 2023. The selection process for the women's category followed a similar format to the open category, where 18 teams duked it out in a closed qualifiers for a chance to represent Malaysia.
Men
Women
Mixed
The following is the Malaysia roster in the men's indoor hockey tournament.
As well as the roster in the women's indoor hockey tournament.
Men's
Malaysia sent 24 athletes (12 from each gender) to compete in the sport of pétanque.
Men's
Women's
Chinlone
18 athletes were sent by the contingent with 10 being men and 8 women.
Men
Women
Mixed
As a demonstration sport, medals won in teqball will not count towards Malaysia's official medal tally.
Malaysia initially sent five weightlifters (three male and two female) to participate in the games. However, Hafiz Shamsuddin had to withdraw due to a left shoulder injury.