| Roles | Non-starter | |
|---|---|---|
| Sex | Male | |
| Full name | Arkadiusz•Onyszko | |
| Used name | Arkadiusz•Onyszko | |
| Nick/petnames | Arek | |
| Born | 12 January 1974 in Lublin, Lubelskie |  POL |
| Measurements | 187 cm | |
| Affiliations | Zawisza Bydgoszcz — Bydgoszcz, Kujawsko-Pomorskie | POL |
| NOC | Poland | POL |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1992 Summer Olympics | Football (Football) | POL |
Arkadiusz Onyszko | |||
| Football, Men (Olympic) | Poland |
