| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Willem Johannes•Leloux | |
| Used name | Willem•Leloux | |
| Born | 7 March 1893 in Haarlem, Noord-Holland |  NED |
| Died | 15 September 1960 (aged 67 years 6 months 8 days) in Amsterdam, Noord-Holland | NED |
| Affiliations | Hercules — Amsterdam, Noord-Holland | NED |
| NOC | Netherlands | NED |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Wrestling | NED |
Willem Leloux | |||
| Middleweight, Greco-Roman, Men (Olympic) | AC r1/5 |
