The 2018 Arizona Wildcats football team represented the University of Arizona in the 2018 NCAA Division I FBS football season. The season marked the Wildcats's 119th season. They played their home games at the Arizona Stadium in Tucson, Arizona (for the 90th year) and competed members of the South Division (8th season) in the Pac-12 Conference (41st overall season). They were led by first-year head coach Kevin Sumlin. The Wildcats finished the season 5–7 and did not qualify for a bowl game. They went 4–5 in Pac-12 play, tying USC for third place in the South Division.