The men's basketball tournament at the 2019 Pan American Games was held in Lima, Peru at the Coliseo Eduardo Dibos from 31 July to 4 August.

[1] Argentina won the gold medal, its second gold in Pan American basketball, after defeating Puerto Rico in the championship A total of eight men's teams qualified to compete at the games.

The host nation Peru was barred from participating by FIBA, following sanctions imposed on the Peruvian Basketball Federation.

Following the completion of the pool games, the top two teams from each pool advance to a single elimination round consisting of two semifinal games, and the bronze and gold medal matches.

Losing teams compete in classification matches to determine their ranking in the tournament.