| Year: | 2021 |
| Team: | Utah State Aggies |
| Sport: | football |
| Conference: | Mountain West Conference |
| Division: | Mountain Division |
| Short Conf: | MW |
| Coachrank: | 24 |
| Aprank: | 24 |
| Record: | 11–3 |
| Conf Record: | 6–2 |
| Head Coach: | Blake Anderson |
| Hc Year: | 1st |
| Off Coach: | Anthony Tucker |
| Oc Year: | 1st |
| Off Scheme: | Spread |
| Def Coach: | Ephraim Banda |
| Dc Year: | 1st |
| Def Scheme: | 4–3 |
| Stadium: | Maverik Stadium |
| Champion: | Mountain West Champion MW Mountain Division Champion LA Bowl Champion |
| Conf Champ: | MW Championship Game |
| Conf Champ Result: | W 46–13 vs. San Diego State |
| Bowl: | LA Bowl |
| Bowl Result: | W 24–13 vs. Oregon State |
The 2021 Utah State Aggies football team represented Utah State University in the 2021 NCAA Division I FBS football season. The Aggies were led by first-year head coach Blake Anderson and played their home games at Maverik Stadium. They competed as members of the Mountain Division of the Mountain West Conference. The finished the season 11–3, 6–2 in Mountain West play to win West division to earn a bid in the Mountain West Championship game.[1] They defeated San Diego State in the championship game to win the Mountain West championship.[2] They received an invitation to the LA Bowl where they defeated Oregon State.[3]