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.