| Year: | 2020–21 |
| Team: | Florida Gulf Coast Eagles |
| Sport: | Basketball |
| Conference: | Atlantic Sun Conference |
| Short Conf: | ASUN |
| Record: | 10–8 |
| Conf Record: | 4–5 |
| Hc Year: | 3rd |
| Assoc Coach: | Donnie Marsh (3rd season) |
| Asst Coach1: | Justin Furr |
| Ac1 Year: | 3rd |
| Ac2 Year: | 3rd |
The 2020–21 Florida Gulf Coast Eagles men's basketball team represented Florida Gulf Coast University in the 2020–21 NCAA Division I men's basketball season. The Eagles, led by third-year head coach Michael Fly, played their home games at Alico Arena in Fort Myers, Florida as members of the Atlantic Sun Conference. They finished the season 10-8, 4-5 in ASUN Play to finish in 6th place. They defeated Lipscomb in the quarterfinals of the ASUN tournament before losing in the semifinals to North Alabama.
The Eagles finished the 2019–20 season 10–22, 7–9 in ASUN Play to finish in a tie for sixth place. They lost in the quarterfinals of the ASUN tournament to Lipscomb.[1]
|-!colspan=9 style=| Non-conference regular season|-!colspan=9 style=| Atlantic Sun Conference regular season|-!colspan=12 style=| Atlantic Sun tournamentSource[2]