Olivet Nazarene University competes in NAIA Division II.
| Name | Participants | |
|---|---|---|
| Men | Women | |
| Baseball | 30 | 0 |
| Basketball | 27 | 16 |
| All Track Combined | 194 | 172 |
| Football | 109 | 0 |
| Golf | 10 | 13 |
| Soccer | 49 | 24 |
| Softball | 0 | 17 |
| Swimming and Diving | 25 | 25 |
| Tennis | 13 | 12 |
| Volleyball | 0 | 33 |