The 2020–21 UMBC Retrievers men's basketball team represented the University of Maryland, Baltimore County in the 2020–21 NCAA Division I men's basketball season.

The Retrievers, led by fifth-year head coach Ryan Odom, played their home games at the UMBC Event Center in Catonsville, Maryland as members of the America East Conference.

They lost to UMass Lowell in the semifinals of the America East tournament.

Following the season, Odom left the school to accept the head coaching position at Utah State.

They defeated New Hampshire in the quarterfinals of the America East tournament before losing in the semifinals to Vermont.