The 2018–19 CAA men's basketball season marked the 34th season of Colonial Athletic Association basketball, taking place between November 2018 and March 2019.

Practices commenced in October 2018, and the season ended with the 2019 CAA men's basketball tournament.

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

The CAA had one bid to the 2019 NCAA Division I men's basketball tournament, that being the automatic bid of Northeastern by winning the conference tournament.

Hofstra received an automatic bid to the 2019 National Invitation Tournament by winning as regular season conference champions.