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.

The following is the competition schedule for the men's basketball competitions: The regular 5-on-5 basketball tournament was held at the Morodok Techo Indoor Sports Center in Phnom Penh.

All times are Cambodia Standard Time (UTC+7)