| Medal record | ||
|---|---|---|
| Paralympic athletics | ||
Representing  Spain | ||
| Paralympic Games | ||
 | 1992 Barcelona | 4x100 metre relay - B1-B3 |
| 1992 Barcelona | 4x400 metre relay - B1-B3 |
| 1996 Atlanta | 100 metres - T11 |
| 1996 Atlanta | 4x100 metre relay - T10-T12 |
| 1996 Atlanta | 4x400 metre relay - T10-T12 |
 | 1992 Barcelona | Pentathlon - B2 |
| 1996 Atlanta | 200 metres - T11 |
 | 2000 Sydney | 4x100 metre relay - T13 |
 |
Juan Antonio Prieto is a paralympic athlete from Spain competing mainly in category T12 sprints events.
Prieto has competed at three paralympics and won medals at all three. His first games were in 1992 in his home country where he competed in the 200m, 400m, high jump and triple jump he won a silver in the pentathlon and was part of both the 4 × 100 m and 4 × 400 m relay teams that won gold medals for Spain.
In the 1996 Summer Paralympics he won silver in the 200m and won gold in the 100m and was part of the Spanish relay teams that defended both the 4 × 100 m and 4 × 400 m gold medals. In his third Paralympics in 2000 he competed in the 100m and 200m and was part of the Spanish team that won bronze in the 4 × 100 m. [1]