| Roles | Competed in Youth Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Kim•Yu-Seong | |
| Used name | Kim•Yu-Seong | |
| Name order | Oriental | |
| Original name | 김•유성 | |
| Born | 12 June 2009 | |
| Measurements | 150 cm / 33 kg | |
| NOC | Republic of Korea |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2024 Winter Youth Olympics | Figure Skating (Skating) | Kim Yu-Seong | ||||
| Singles, Girls (YOG) | 4 |