1989 BYU Cougars football team

The 1989 BYU Cougars football team represented Brigham Young University as a member of the Western Athletic Conference (WAC) during the 1989 NCAA Division I-A football season. Led by 18th-year head coach LaVell Edwards, the Cougars compiled a record of 10–3 overall and 7–1 in conference play, winning the WAC title. BYU was invited to the Holiday Bowl, where the Cougars lost to Penn State.