| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Willem Hendrik "Willy"•Hillen |
| Used name | Willy•Hillen |
| Born | 22 April 1943 in Winterswijk, Gelderland (NED) |
| Died | 14 March 2026 (aged 82 years 10 months 22 days) in Lichtenvoorde, Gelderland (NED) |
| Measurements | 180 cm / 91 kg |
| NOC |  Netherlands |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Shooting | NED |
Willy Hillen | |||
| Small-Bore Rifle, Prone, Men (Olympic) | 17 | |||||
| 1976 Summer Olympics | Shooting | NED |
Willy Hillen | |||
| Small-Bore Rifle, Prone, Men (Olympic) | =64 |
