2003 FIA Sportscar Championship Estoril

The 2003 FIA Sportscar Championship Estoril was the first race for the 2003 FIA Sportscar Championship season held at Autódromo do Estoril and ran a distance of two hours, thirty minutes. It took place on April 13, 2003.

Class winners in bold. Cars failing to complete 75% of winner's distance marked as Not Classified (NC).