The men's football tournament at the 2021 SEA Games was held from 6 – 22 May 2022 in Vietnam.

Ten Southeast Asian nations participated in the men's tournament.

The group stage and semi-finals were played in Việt Trì and Nam Định, while Hanoi hosted the bronze and gold medal matches.

10 teams were seeded into 5 pots based on their performance in the previous two editions.

The host, also the defending champion, Vietnam was automatically assigned into position A1.