| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Józef•Łaszewski | |
| Used name | Józef•Łaszewski | |
| Born | 30 November 1901 in Warszawa (Warsaw), Mazowieckie |  POL |
| Measurements | 73 kg | |
| Affiliations | AZS Warszawa — Warszawa (Warsaw), Mazowieckie | POL |
| NOC | Poland | POL |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1928 Summer Olympics | Rowing | POL |
Józef Łaszewski | |||
| Eights, Men (Olympic) | Poland | 2 h1 r5/7 |
