| Roles | Non-starter | |
|---|---|---|
| Sex | Male | |
| Full name | Klaas•de Boer | |
| Used name | Klaas•de Boer | |
| Born | 4 April 1888 in Zaandam, Noord-Holland |  NED |
| Affiliations | De Halter — Zaandam, Noord-Holland | NED |
| NOC | Netherlands | NED |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1912 Summer Olympics | Wrestling | NED |
Klaas de Boer | |||
| Middleweight, Greco-Roman, Men (Olympic) |
