Basketball at the 2023 SEA Games – Men's tournament

The men's basketball tournament at the 2023 SEA Games will be held at the Morodok Techo Indoor Sports Center in Phnom Penh, Cambodia from 9 to 16 May 2023.

Competition schedule
The following is the competition schedule for the men's basketball competitions:

Competition format

 * The preliminary round was composed of two groups of four teams each. Each team played the teams within their group. The top two teams per group advanced to the knockout round. The other teams qualified to the classification round.
 * Classification round:
 * 5th place: Third place teams played for fifth place.
 * 7th place: Fourth place teams played for seventh place.
 * The knockout round was a single-elimination tournament, with a bronze medal match for the semi-finals losers. The losing team in the final was awarded the silver medal, while the winning team was awarded the gold medal.

Venue
The regular 5-on-5 basketball tournament was held at the Morodok Techo Indoor Sports Center in Phnom Penh.

Results
All times are Cambodia Standard Time (UTC+7)