The 2020–21 CAA men's basketball season narked the 35th season of Colonial Athletic Association basketball, taking place between November 2020 and March 2021.

The season began with practices in November 2020, followed by the start of the 2020–21 NCAA Division I men's basketball season in late November, delayed due to the COVID-19 pandemic.

The season ended with the 2021 CAA men's basketball tournament.

Notes: Source[1] () first place votes Source[1] Colonial Athletic Association Preseason Player of the Year: Matt Lewis (James Madison) This table summarizes the head-to-head results between teams in conference play.

The CAA had one bid to the 2021 NCAA Division I men's basketball tournament, that being the automatic bid of Drexel by winning the conference tournament.