2002–03 Xavier Musketeers men's basketball team

The 2002–03 Xavier Musketeers men's basketball team represented Xavier University from Cincinnati, Ohio, in the 2002–03 season. Led by head coach Thad Matta, the Musketeers finished 26–6 (15–1 A10), and won the Atlantic 10 regular season title, but made an early exit from the Atlantic 10 tournament. In the NCAA tournament, the Musketeers handled Troy State in the opening round before falling to No. 6 seed and defending NCAA champion Maryland in the second round.

Schedule and results
!colspan=9 style=| Regular season

!colspan=9 style=| Atlantic 10 Tournament

!colspan=9 style=| NCAA Tournament