Union College competes in NAIA Division II.
| Name | Participants | |
|---|---|---|
| Men | Women | |
| Baseball | 36 | 0 |
| Basketball | 16 | 20 |
| All Track Combined | 47 | 55 |
| Football | 82 | 0 |
| Golf | 17 | 7 |
| Soccer | 28 | 24 |
| Softball | 0 | 29 |
| Swimming | 10 | 7 |
| Tennis | 13 | 7 |
| Volleyball | 0 | 23 |
| Other Sports | 0 | 0 |
| Archery | 3 | 4 |
| Bowling | 6 | 8 |