The 2001–02 Illinois State Redbirds men's basketball team represented Illinois State University during the 2001–02 NCAA Division I men's basketball season. The Redbirds, led by third year head coach Tom Richardson, played their home games at Redbird Arena and competed as a member of the Missouri Valley Conference.
They finished the season 17–14, 12–6 in conference play to finish in third place. They were the number three seed for the Missouri Valley Conference tournament. They were victorious over Drake University in their quarterfinal game but were defeated by Creighton University in their semifinal game.