| Roles | Competed in Olympic Games • Non-starter | |
|---|---|---|
| Sex | Male | |
| Full name | Zenon•Stefaniuk | |
| Used name | Zenon•Stefaniuk | |
| Born | 8 July 1930 in Wojnów, Warszawa, Mazowieckie |  POL |
| Died | 10 July 1985 (aged 55 years 2 days) in Katowice, Śląskie | POL |
| Affiliations | BBTS Włókniarz Bielsko-Biała | |
| NOC | Poland | POL |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1952 Summer Olympics | Boxing | POL |
Zenon Stefaniuk | |||
| Bantamweight, Men (Olympic) | ||||||
| 1956 Summer Olympics | Boxing | POL |
Zenon Stefaniuk | |||
| Bantamweight, Men (Olympic) | =9 |
