The 2012–13 Xavier Musketeers men's basketball team represented Xavier University during the 2012-13 NCAA Division I men's basketball season. The team was coached by Chris Mack. The Musketeers competed in the Atlantic 10 Conference and played their home games at the Cintas Center. They finished the season 17–14, 9–7 in A-10 play to finish in a tie for sixth place. They lost in the first round of the A-10 tournament to Saint Joseph's. This was the first time since the 2004–05 season that Xavier failed to make the NCAA tournament.