| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Johan George•Cortlever | |
| Used name | George•Cortlever | |
| Born | 4 August 1885 in Amsterdam, Noord-Holland |  NED |
| Died | 14 April 1972 (aged 86 years 8 months 10 days) in Amsterdam, Noord-Holland | NED |
| Affiliations | Het Y — Amsterdam, Noord-Holland | NED |
| NOC | Netherlands | NED |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1908 Summer Olympics | Swimming (Aquatics) | NED |
George Cortlever | |||
| 100 metres Backstroke, Men (Olympic) | 2 h7 r1/3 | |||||
| Water Polo (Aquatics) | NED |
George Cortlever | ||||
| Water Polo, Men (Olympic) | Netherlands | 4 | ||||
| 1920 Summer Olympics | Water Polo (Aquatics) | NED |
George Cortlever | |||
| Water Polo, Men (Olympic) | Netherlands | 5 |
