| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Yu•Seung-Hyeon | |
| Used name | Yu•Seung-Hyeon | |
| Name order | Oriental | |
| Original name | 유•승현 | |
| Other names | You Seung-Hun | |
| Born | 28 June 1983 | |
| Measurements | 179 cm / 79 kg | |
| NOC | Republic of Korea |  KOR |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2004 Summer Olympics | Swimming (Aquatics) | KOR |
Yu Seung-Hyeon | |||
| 100 metres Breaststroke, Men (Olympic) | 31 |
