| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Marceli•Wiech | |
| Used name | Marceli•Wiech | |
| Born | 8 October 1954 in Chorzów, Śląskie |  POL |
| Measurements | 192 cm / 86 kg | |
| Affiliations | Baildon Katowice — Katowice, Śląskie | POL |
| NOC | Poland | POL |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1976 Summer Olympics | Fencing | POL |
Marceli Wiech | |||
| Épée, Individual, Men (Olympic) | 40 | |||||
| Épée, Team, Men (Olympic) | Poland | 16 |
