El Salvador competed at the 2012 Summer Olympics in London, United Kingdom, from 27 July to 12 August 2012.

Comité Olímpico de El Salvador sent a total of 10 athletes to the Games, 5 men and 5 women, to compete in 7 sports.

[1] Road cyclist Evelyn García, who was at her third Olympic Games, reprised her role as El Salvador's flag bearer at the opening ceremony, the first being done in 2004.

Comité Olímpico de El Salvador selected a team of 10 athletes, 5 men and 5 women, to compete in 7  sports.

Athletes from El Salvador achieved qualifying standards in the following athletics events (up to a maximum of 3 athletes in each event at the 'A' Standard, and 1 at the 'B' Standard):[3][4] El Salvador qualified the following boats: Qualification Legend: FA=Final A (medal); FB=Final B (non-medal); FC=Final C (non-medal); FD=Final D (non-medal); FE=Final E (non-medal); FF=Final F (non-medal); SA/B=Semifinals A/B; SC/D=Semifinals C/D; SE/F=Semifinals E/F; QF=Quarterfinals; R=Repechage Qualifiers for the latter rounds (Q) of all events were decided on a time only basis, therefore positions shown are overall results versus competitors in all heats.