| Roles | Competed in Olympic Games • Non-starter | |
|---|---|---|
| Sex | Male | |
| Full name | Jerzy•Siankiewicz | |
| Used name | Jerzy•Siankiewicz | |
| Born | 17 October 1930 in Poznań, Wielkopolskie |  POL |
| Died | 2 November 1984 (aged 54 years 16 days) in Poznań, Wielkopolskie | POL |
| Affiliations | Warta Poznań — Poznań, Wielkopolskie | POL |
| NOC | Poland | POL |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1952 Summer Olympics | Hockey | POL |
Jerzy Siankiewicz | |||
| Hockey, Men (Olympic) | Poland | =9 | ||||
| 1960 Summer Olympics | Hockey | POL |
Jerzy Siankiewicz | |||
| Hockey, Men (Olympic) | Poland |
