The 2003–04 Florida A&M Rattlers men's basketball team represented Florida A&M University during the 2003–04 NCAA Division I men's basketball season.

The Rattlers, led by head coach Mike Gillespie, played their home games at the Teaching Gym as members of the Mid-Eastern Athletic Conference.

They finished the season 15–17, 10–8 in MEAC play to finish in fifth place in the conference regular season standings.

16 seeds in the Midwest region, The Rattlers defeated fellow No.

16 seed Lehigh in the play-in game[2] before losing to No.