The 2003 SEC men's basketball tournament took place on March 13–16, 2003 in New Orleans at the Louisiana Superdome. Georgia did not participate; it had pulled out of the postseason as NCAA violations by coach Jim Harrick were emerging. As shown in the bracket below, the designated berth for the Eastern division's sixth-seeded team was instead given to a Western division team, while the designated berth for the Western division's sixth-seeded team was left vacant. Kentucky won the tournament and received the SEC's automatic bid to the NCAA tournament by beating Mississippi State on March 16, 2003.

Bracket