2019 American Athletic Conference men's basketball tournament

The 2019 American Athletic Conference men's basketball tournament was the postseason men's basketball tournament for the American Athletic Conference.

Cincinnati defeated Houston 69–57 in the championship to earn the American Athletic Conference's automatic bid to the NCAA tournament.

[1] It was the second consecutive tournament championship for Cincinnati.

The top four teams receive a bye into the quarterfinals.

Teams are seeded by record within the conference, with a tiebreaker system to seed teams with identical conference records.