LIU Post competes in NCAA Division II (with football).
| Name | Participants | |
|---|---|---|
| Men | Women | |
| Baseball | 41 | 0 |
| Basketball | 18 | 15 |
| All Track Combined | 35 | 34 |
| Fencing | 0 | 9 |
| Field Hockey | 0 | 24 |
| Football | 96 | 0 |
| Golf | 0 | 6 |
| Lacrosse | 47 | 26 |
| Soccer | 31 | 25 |
| Softball | 0 | 17 |
| Swimming | 0 | 15 |
| Tennis | 0 | 9 |
| Volleyball | 0 | 14 |
| Wrestling | 21 | 0 |