| Personal information | |
|---|---|
| Full name | Maria Carlos Martins dos Santos |
| Nationality | Portugal |
| Born | December 18, 1978 |
| Sport | |
| Sport | Swimming |
| Stroke(s) | Backstroke and medley |
| Club | GesLoures |
Maria Carlos Martins dos Santos (born December 18, 1978) is a retired female backstroke and medley swimmer from Portugal, who competed for her native country at the 1996 Olympic Games in Atlanta, Georgia.