Taekwondo
- Men
| Athlete | Event | Round of 16 | Quarterfinals | Semifinals | Repechage | Final | |
|---|---|---|---|---|---|---|---|
| Rank | |||||||
| Alejandro Hernando | 68 kg | Røsen (DEN) L 10–11 |
Did not advance | ||||
- Women
| Athlete | Event | Round of 16 | Quarterfinals | Semifinals | Repechage | Final | |
|---|---|---|---|---|---|---|---|
| Rank | |||||||
| Vanina Sánchez | 67 kg | Rivero (PHI) L 10–10(+) |
Did not advance | ||||
Read more about this topic: Argentina At The 2004 Summer Olympics