The 1990 Utah State Aggies football team represented Utah State University during the 1990 NCAA Division I-A football season as a member of the Big West Conference. The Aggies were led by fifth-year head coach Chuck Shelton 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, 5–1–1 Big West).