| Roles | Competed in Olympic Games |
|---|---|
| Sex | Female |
| Full name | Joana•Santos Silva Ferreira Pratas |
| Used name | Joana•Pratas |
| Born | 28 November 1978 in Lisboa, Distrito de Lisboa (POR) |
| Measurements | 168 cm / 57 kg |
| Affiliations | CIMAV Vilamoura, Loulé (POR) / Sport Algés e Dafundo, Oeiras (POR) |
| NOC |  Portugal |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1996 Summer Olympics | Sailing | POR |
Joana Pratas | |||
| One-Person Dinghy, Women (Olympic) | 25 | |||||
| 2000 Summer Olympics | Sailing | POR |
Joana Pratas | |||
| One-Person Dinghy, Women (Olympic) | 21 | |||||
| 2004 Summer Olympics | Sailing | POR |
Joana Pratas | |||
| One-Person Dinghy, Women (Olympic) | 22 |
