| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Maria Carlos•Martins dos Santos | |
| Used name | Maria Carlos•Santos | |
| Born | 18 December 1978 | |
| Affiliations | GesLoures — Santo António dos Cavaleiros, Loures, Distrito de Lisboa |  POR |
| NOC | Portugal | POR |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1996 Summer Olympics | Swimming (Aquatics) | POR |
Maria Carlos Santos | |||
| 100 metres Backstroke, Women (Olympic) | 22 | |||||
| 4 × 100 metres Medley Relay, Women (Olympic) | Portugal | 21 |
