| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Karel Jan•Hardeman | |
| Used name | Karel•Hardeman | |
| Born | 29 June 1914 in Surabaya, Jawa Timur |  INA |
| Died | 5 October 2010 (aged 96 years 3 months 6 days) in Den Haag (The Hague), Zuid-Holland |  NED |
| Affiliations | Njord — Leiden, Zuid-Holland | NED |
| NOC | Netherlands | NED |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1936 Summer Olympics | Rowing | NED |
Karel Hardeman | |||
| Coxed Pairs, Men (Olympic) | Netherlands | 3 h1 r2/3 |
