The 1991 BYU Cougars football team represented Brigham Young University as a member of the Western Athletic Conference (WAC) during the 1991 NCAA Division I-A football season. Led by 20th-year head coach LaVell Edwards, the Cougars compiled a record of 8âÂÂ3âÂÂ2 overall and 7âÂÂ0âÂÂ1 in conference play, winning the WAC title for the third consecutive season. BYU was invited to the Holiday Bowl, where the Cougars tied Iowa.