| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Karel Anton Johan•Jonker | |
| Used name | Karel•Jonker | |
| Born | 5 July 1949 in Amsterdam, Noord-Holland |  NED |
| Measurements | 189 cm / 81 kg | |
| Affiliations | University of British Columbia Thunderbirds — Vancouver, British Columbia |  CAN |
| NOC | Canada | CAN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Rowing | CAN |
Karel Jonker | |||
| Coxless Fours, Men (Olympic) | Canada | 9 |
