The 2003 FIA GT Championship was the seventh FIA GT Championship. It comprised the FIA GT Championship for Drivers, the N-GT Cup for Drivers, the FIA GT Championship for Teams and the N-GT Cup for Teams. The four titles were contested over a ten event series open to Grand Touring cars broken into two classes, GT and N-GT, based on power and manufacturer involvement. The championship began on 6 April 2003 and ended on 19 October 2003.