| Roles | Competed in Olympic Games (non-medal events) | |
|---|---|---|
| Sex | Male | |
| Full name | Seo•Seong-Gyo | |
| Used name | Seo•Seong-Gyo | |
| Name order | Oriental | |
| Original name | 서•성교 | |
| Other names | Seo Sung-Kyo | |
| Born | 13 May 1970 | |
| NOC | Republic of Korea |  KOR |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1992 Summer Olympics | Taekwondo | KOR |
Seo Seong-Gyo | |||
| Flyweight, Men (Olympic (non-medal)) | =3 |
