Vietnam competed at the 2004 Summer Olympics in Athens, Greece from 13 to 29 August 2004.
Vietnamese athletes have so far 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).
<small>Qualification Legend: Q = Qualify to final; q = Qualify to semifinal</small>
<small>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; R=Repechage</small>
Vietnam has qualified two taekwondo practitioners in their respective divisions.
Vietnam has qualified a single weightlifter.