| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Gi•Seong-Yong | |
| Used name | Gi•Seong-Yong | |
| Name order | Oriental | |
| Original name | 기•성용 | |
| Other names | Ki Sung-Yueng | |
| Born | 24 January 1989 in Gwangju, Gwangju |  KOR |
| Measurements | 187 cm / 75 kg | |
| Affiliations | FC Seoul — Seoul, Seoul | KOR |
| Celtic FC — Glasgow, Scotland |  GBR | |
| NOC | Republic of Korea | KOR |
| Medals | OG |
| Gold | 0 |
| Silver | 0 |
| Bronze | 1 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2008 Summer Olympics | Football (Football) | KOR |
Gi Seong-Yong | |||
| Football, Men (Olympic) | Republic of Korea | 10 | ||||
| 2012 Summer Olympics | Football (Football) | KOR |
Gi Seong-Yong | |||
| Football, Men (Olympic) | Republic of Korea | 3 | Bronze |
