Western Michigan University competes in NCAA Division I-A.
| Name | Participants | |
|---|---|---|
| Men | Women | |
| Baseball | 34 | 0 |
| Basketball | 14 | 16 |
| All Track Combined | 0 | 98 |
| Football | 102 | 0 |
| Golf | 0 | 8 |
| Gymnastics | 0 | 16 |
| Ice Hockey | 28 | 0 |
| Soccer | 29 | 28 |
| Softball | 0 | 20 |
| Tennis | 12 | 8 |
| Volleyball | 0 | 13 |