The 2020–21 UC Davis Aggies men's basketball team represented the University of California, Davis in the 2020–21 NCAA Division I men's basketball season.

The Aggies, led by Jim Les in his tenth season with the program, played their games at The Pavilion in Davis, California as members of the Big West Conference.

The Aggies finished the 2019–20 season 14–18 overall, 8–8 in Big West play, to finish tied for fourth in the Big West standings.

Initially set to play Hawaii in the first round of the Big West Conference tournament, the tournament was cancelled due to the COVID-19 pandemic, ending the Aggies' season.

[1] Roster Last update: December 3, 2020 Source:[2]