The 1991 Air Force Falcons football team represented the United States Air Force Academy as a member of the Western Athletic Conference (WAC) during the 1991 NCAA Division I-A football season. Led by eighth-year head coach Fisher DeBerry, the Falcons compiled an overall record of 10âÂÂ3 with a mark of 6âÂÂ2 in conference play, placing third in the WAC. Air Force was invited to the Liberty Bowl, where the Falcons defeated Mississippi State. The team played home games at Falcon Stadium in Colorado Springs, Colorado
The following Falcon was selected in the National Football League draft following the season.