| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Eugeniusz•Janczak | |
| Used name | Eugeniusz•Janczak | |
| Born | 13 September 1955 in Wrocław, Dolnośląskie |  POL |
| Measurements | 177 cm / 66 kg | |
| Affiliations | Śląsk Wrocław — Wrocław, Dolnośląskie | POL |
| NOC | Poland | POL |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1980 Summer Olympics | Shooting | POL |
Eugeniusz Janczak | |||
| Running Target, Men (Olympic) | 17 |
