| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Marianne•Vermaat (-van Leeuwen) | |
| Used name | Marianne•Vermaat | |
| Born | 2 May 1955 in Vlaardingen, Zuid-Holland |  NED |
| Measurements | 167 cm / 63 kg | |
| Affiliations | VZC — Vlaardingen, Zuid-Holland | NED |
| NOC | Netherlands | NED |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Swimming (Aquatics) | NED |
Marianne Vermaat | |||
| 100 metres Backstroke, Women (Olympic) | 16 | |||||
| 4 × 100 metres Medley Relay, Women (Olympic) | Netherlands |
