| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Antonín Jan•Byczański | |
| Used name | Antonín•Byczański | |
| Other names | Anton Johan Byczanski | |
| Born | 9 May 1887 in Jablunkov, Moravskoslezský kraj |  CZE |
| Died | in Ostrov |  UNK |
| Affiliations | Československá armáda — Milovice, Středočeský kraj | CZE |
| NOC | Czechoslovakia |  TCH |
| Nationality | Czechia |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | Nationality | As | |
|---|---|---|---|---|---|---|---|
| 1924 Summer Olympics | Shooting | TCH |
CZE |
Antonín Byczański | |||
| Free Rifle, Team, Men (Olympic) | Czechoslovakia | 14 | |||||
| Small-Bore Rifle, Prone, Men (Olympic) | =47 |
