2015–16 Florida State Seminoles men's basketball team

The 2015–16 Florida State Seminoles men's basketball team, variously Florida State or FSU, represented Florida State University during the 2015–16 NCAA Division I men's basketball season. The Seminoles were led by fourteenth year head coach Leonard Hamilton and played their home games at the Donald L. Tucker Center on the university's Tallahassee, Florida campus. They were members of the Atlantic Coast Conference.

The Seminoles finished the season 20–14, 8–10 in ACC play, to finish in a tie for eleventh place. They defeated Boston College in the first round of the ACC tournament to advance to the second round where they lost to Virginia Tech. They received an invitation to the National Invitation Tournament where they defeated Davidson in the first round to advance to the second round where they lost to Valparaiso.