The 2012–13 Arizona Wildcats men's basketball team represented the University of Arizona during the 2012–13 NCAA Division I men's basketball season. They were led by fourth-year head coach Sean Miller and played home games at McKale Center in Tucson, Arizona as members of the Pac-12 Conference. Seeded 6th in the West Region of the 2013 NCAA tournament, the team defeated (11) Belmont and (14) Harvard by a combined score of 40 points before losing 73–70 to (2) Ohio State in the Sweet Sixteen.