| Mode: | football |
| Year: | 1981 |
| Team: | Utah State Aggies |
| Conference: | Pacific Coast Athletic Association |
| Short Conf: | PCAA |
| Record: | 5–5–1 |
| Conf Record: | 4–1 |
| Head Coach: | Bruce Snyder |
| Hc Year: | 6th |
| Stadium: | Romney Stadium |
The 1981 Utah State Aggies football team represented Utah State University during the 1981 NCAA Division I-A football season as a member of the Pacific Coast Athletic Association (PCAA). The Aggies were led by sixth-year head coach Bruce Snyder and played their home games at Romney Stadium in Logan, Utah. They finished the season with a record of five wins, five losses, and one tie (5–5–1, 4–1 PCAA).