The 1990 Boise State Broncos football team represented Boise State University in the 1990 NCAA Division I-AA football season.

The Broncos competed in the Big Sky Conference and played their home games on campus at Bronco Stadium in Boise, Idaho.

Led by fourth-year head coach Skip Hall, they finished the regular season at 8–3 (6–2 in Big Sky, second).

The Broncos returned to the Division I-AA playoffs and advanced to the semifinals, but fell to conference rival Nevada in triple overtime to finish at 10–4.

[1] Three Big Sky teams were selected for the 16-team postseason and all won their openers: Idaho fell in the quarters, BSU in the semis and Nevada in the final.