| Big West Conference|| 6–5 (2–3 Big West)|
| Dirk Koetter (1st year)|
1998 Boise State Broncos football team Wikipedia
The 1998 Boise State Broncos football team represented Boise State University in the 1998 NCAA Division I-A football season. The Broncos competed in the Big West Conference and played their home games on campus at Bronco Stadium in Boise, Idaho. Led by first-year head coach Dirk Koetter, Boise State was 6–5 overall and 2–3 in conference play.
Koetter was previously the offensive coordinator at Oregon in the Pac-10 Conference.