| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Jacob "Jaap"•Sjouwerman | |
| Used name | Jaap•Sjouwerman | |
| Born | 27 May 1891 in Amsterdam, Noord-Holland |  NED |
| Died | 21 February 1964 (aged 72 years 8 months 25 days) in Blaricum, Noord-Holland | NED |
| Affiliations | De Halter — Amsterdam, Noord-Holland | NED |
| NOC | Netherlands | NED |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Wrestling | NED |
Jaap Sjouwerman | |||
| Heavyweight, Greco-Roman, Men (Olympic) | AC r4/5 | |||||
| 1924 Summer Olympics | Wrestling | NED |
Jaap Sjouwerman | |||
| Heavyweight, Greco-Roman, Men (Olympic) | =13 |
