The 2003 FIA European Touring Car Championship season was the 30th season of European Touring Car racing and the first to be called the European Touring Car Championship since 1988.
The season began at Valencia on 6 April, and finished at Monza on 19 October after twenty races over ten meetings.
BMW won the Manufacturers Championship ahead of Alfa Romeo and SEAT. Tom Coronel won the Michelin Independents Trophy, while AutoDelta won the Michelin Teams Trophy.