El Salvador competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004.

Comité Olímpico de El Salvador sent a total of 7 athletes to the Games, 2 men and 5 women, to compete in 6 sports.

Cyclist Evelyn García was chosen to carry her nation's flag during the opening ceremony.

[1] Comité Olímpico de El Salvador selected a team of 7 athletes, 2 men and 5 women, to compete in 6 sports.

El Salvador qualified one participant in men's individual archery.