The 1940 Arizona Wildcats football team represented the University of Arizona in the Border Intercollegiate Athletic Association (BIAA) during the 1940 college football season. In their second season under head coach Miles W. Casteel, the Wildcats compiled a 7–2 record (3–1 against BIAA opponents), finished in second place in the BIAA, and outscored their opponents, 204 to 83. The team captain was John Black. The team played its home games at Arizona Stadium in Tucson, Arizona.