| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Johan Willem "Jan Willem"•Pennink |
| Used name | Jan Willem•Pennink |
| Born | 31 March 1929 in Jakarta, Daerah Khusus Ibukota Jakarta (INA) |
| Affiliations | Nereus, Amsterdam (NED) |
| NOC | Netherlands |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1952 Summer Olympics | Rowing | NED |
Jan Willem Pennink | |||
| Coxed Fours, Men (Olympic) | Netherlands | 2 h3 r2/5 |