| Roles | Competed in Olympic Games • Non-starter |
|---|---|
| Sex | Male |
| Full name | Seo•Jeong-Gyun |
| Used name | Seo•Jeong-Gyun |
| Name order | Oriental |
| Original name | 서•정균 |
| Other names | Suh Jung-Kyun |
| Born | 31 December 1962 |
| Measurements | 176 cm / 65 kg |
| NOC |  Republic of Korea |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1984 Summer Olympics | Equestrian Dressage (Equestrian) | KOR |
Seo Jeong-Gyun | |||
| Individual, Open (Olympic) | ||||||
| 1988 Summer Olympics | Equestrian Dressage (Equestrian) | KOR |
Seo Jeong-Gyun | |||
| Individual, Open (Olympic) | Pascal | 10 |
