| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Carl "Karel"•Kratz | |
| Used name | Karel•Kratz | |
| Born | 10 November 1893 in Rotterdam, Zuid-Holland |  NED |
| Died | 30 August 1962 (aged 68 years 9 months 20 days) in Rotterdam, Zuid-Holland | NED |
| Affiliations | De Maas — Rotterdam, Zuid-Holland | NED |
| NOC | Netherlands | NED |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Water Polo (Aquatics) | NED |
Karel Kratz | |||
| Water Polo, Men (Olympic) | Netherlands | 5 |
