The 2021 Conference USA men's basketball tournament was the concluding event of the 2020–21 Conference USA (C-USA) men's basketball season.
It was held from March 10–13, 2021 alongside the C-USA women's tournament in Frisco, Texas, at the Ford Center at The Star.
[1] In the first round and quarterfinals, two games were played simultaneously within the same arena, with the courts separated by a curtain.
[2] [3] Rankings denote tournament seed.
* denotes overtime period.