The 2003–04 Arizona Wildcats men's basketball team represented the University of Arizona during the 2003–04 NCAA Division I men's basketball season. Led by Lute Olson in his 21st year as Arizona's head coach, the team played their home games at McKale Center in Tucson, Arizona as members of the Pacific-10 Conference. After the season sophomore small forward Andre Iguodala entered the 2004 NBA draft in which he was selected ninth overall by the Philadelphia 76ers.