| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Lee•Jun-Seo |
| Used name | Lee•Jun-Seo |
| Name order | Oriental |
| Original name | 이•준서 |
| Other names | Lee Joon-Seo |
| Born | 9 June 2003 in Seoul, Seoul (KOR) |
| NOC |  Republic of Korea |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2026 Winter Olympics | Cross Country Skiing (Skiing) | KOR |
Lee Jun-Seo | |||
| Sprint, Men (Olympic) | 64 | |||||
| 10 kilometres, Men (Olympic) | 73 | |||||
| Skiathlon, Men (Olympic) | 58 |
