2003 Supersport World Championship
The 2003 Supersport World Championship was the seventh season of the Supersport World Championship. The season was held over 11 races following the Superbike World Championship calendar except a race at Laguna Seca. Beginning on 2 March at Circuit Ricardo Tormo in Spain, and finished on 19 October at Circuit de Nevers Magny-Cours in France.
Chris Vermeulen won the title after beating closest rival Stéphane Chambon.