| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | G.•Karagiannopoulos |
| Used name | G.•Karagiannopoulos |
| Original name | Γ.•Καραγιαννοπούλος |
| NOC |  Greece |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1896 Summer Olympics | Shooting | GRE |
G. Karagiannopoulos | |||
| Military Rifle, Men (Olympic) |
