The 1984 Boise State Broncos football team represented Boise State University in the 1984 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. The Broncos were led by second–year head coach Lyle Setencich, Boise State finished the season 6–5 overall and 4–3 in conference.