The 1990 Air Force Falcons football team represented the United States Air Force Academy in the 1990 NCAA Division I-A football season. The team was led by 7th-year head coach Fisher DeBerry and played its home games at Falcon Stadium. It finished the season with a 6–5 record overall and a 3–4 record in Western Athletic Conference games. The team was selected to play in the Liberty Bowl, in which it defeated Ohio State.