| Mode: | Basketball |
| Year: | 2008–09 |
| Team: | Ball State Cardinals |
| Conference: | Mid-American Conference |
| Division: | West |
| Short Conf: | MAC |
| Record: | 14–17 |
| Conf Record: | 7–9 |
| Head Coach: | Billy Taylor |
| Asst Coach1: | Bob Simmons |
| Asst Coach2: | Jay Newberry |
| Asst Coach3: | Joseph Price |
| Stadium: | John E. Worthen Arena |
| Champion: | MAC West Division Co-Champion |
The 2008–09 Ball State Cardinals men's basketball team was an NCAA Division I college basketball team competing in the Mid-American Conference.
Walk-on players are italicized.