The 2020–21 Marshall Thundering Herd men's basketball team represented Marshall University during the 2020–21 NCAA Division I men's basketball season. The Thundering Herd, led by seventh-year head coach Dan D'Antoni, played their home games at the Cam Henderson Center as members of the East Division of Conference USA. They finished the season 15–7, 9–5 in C-USA play to finish in third place in the East Division. They were defeated in the second round of the C-USA tournament by Rice.
Previous season The Thundering Herd finished the 2019–20 season 17–15, 10–8 in C-USA play to finish in sixth place. They defeated UTEP in the opening round of the C-USA tournament, and they were scheduled to play Louisiana Tech in the quarterfinals. However, the remainder of the tournament was canceled due to the coronavirus pandemic.
Offseason Departures Name Number Pos. Height Weight Year Hometown Notes Cam Brooks-Harris 24 F 6'6" 175 RS Freshman Zanesville, Ohio Transferred to Tallahassee Community College Dajour Rucker 32 F 6'7" 250 Freshman Virginia Beach, Virginia Left team for personal reasons Robby Williams 14 G 5'10" 150 Freshman Charleston, West Virginia Walk-on; transferred to Coastal Alabama Community College
2020 recruiting class
Roster
Schedule and results
!colspan=12 style=| Non-conference regular season
!colspan=9 style=| Conference USA regular season
!colspan=9 style=| Conference USA tournament
Notes
References