| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Cornelis Coenraad "Cees"•Leenheer | |
| Used name | Cees•Leenheer | |
| Born | 5 June 1906 in Weesp, Noord-Holland |  NED |
| Died | 20 January 1979 (aged 72 years 7 months 15 days) in Zwolle, Overijssel | NED |
| Affiliations | UZC — Utrecht, Utrecht | NED |
| NOC | Netherlands | NED |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1928 Summer Olympics | Water Polo (Aquatics) | NED |
Cees Leenheer | |||
| Water Polo, Men (Olympic) | Netherlands | =5 |
