2021 Conference USA men's basketball tournament

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. In the first round and quarterfinals, two games were played simultaneously within the same arena, with the courts separated by a curtain.

Schedule
Rankings denote tournament seed.

Bracket
* denotes overtime period.