The 1987–88 Illinois State Redbirds men's basketball team represented Illinois State University during the 1987–88 NCAA Division I men's basketball season.
The Redbirds, led by tenth year head coach Bob Donewald, played their home games at Horton Field House and were a member of the Missouri Valley Conference.
They were the number three seed in the Missouri Valley Conference tournament.
They were victorious in a quarterfinal game versus Drake University and in a semifinal game versus Wichita State University, but defeated beaten in the final game versus Bradley University.
The Redbirds received an at-large bid to the 1988 National Invitation Tournament.