2004 Formula 3 Sudamericana season

The 2004 Formula 3 Sudamericana season was the 15th Formula 3 Sudamericana season. It began on 24 April 2004, at Autódromo Internacional Nelson Piquet in Brasília and ended on 19 December at Autódromo José Carlos Pace in São Paulo. Brazilian driver Alexandre Sarnes Negrão won the title.