El Salvador competed at the 2014 Summer Youth Olympics, in Nanjing, China from 16 August to 28 August 2014.
Medals awarded to participants of mixed-NOC (Combined) teams are represented in italics. These medals are not counted towards the individual NOC medal tally.
El Salvador qualified a rider.
El Salvador was given a boat to compete by the tripartite committee.
<small>Qualification Legend: FA=Final A (medal); FB=Final B (non-medal); FC=Final C (non-medal); FD=Final D (non-medal); SA/B=Semifinals A/B; SC/D=Semifinals C/D; R=Repechage</small>
El Salvador qualified three swimmers.
El Salvador qualified two athletes based on its performance at the 2014 American Youth Olympic Games Qualifier.
El Salvador qualified one athlete based on its performance at the 2014 Pan American Cadet Championships.