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 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.

They lost in the quarterfinals of the ACC Tournament to top-seeded Virginia.

Sources: Sources: Roster Florida State was picked to finish sixth in the ACC while Xavier Rathan-Mayes was named to the preseason All-ACC team.