The 1997–98 Illinois State Redbirds men's basketball team represented Illinois State University during the 1997–98 NCAA Division I men's basketball season.
The Redbirds, led by fifth year head coach Kevin Stallings, played their home games at Redbird Arena and were a member of the Missouri Valley Conference.
They were the number one seed for the Missouri Valley Conference tournament.
They won their quarterfinal game versus Southern Illinois University, semifinal game versus the Wichita State University, and final game versus Southwest Missouri State University to earn the championship title.
The Redbirds received the conference automatic bid into the 1998 NCAA Division I men's basketball tournament.