| 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 (NED) |
| NOC |  Netherlands |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1912 Summer Olympics | Wrestling | NED |
Klaas de Boer | |||
| Middleweight, Greco-Roman, Men (Olympic) |
