| Roles | Competed in Youth Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Mun•Si-U | |
| Used name | Mun•Si-U | |
| Name order | Oriental | |
| Original name | 문•시우 | |
| Other names | Moon Si-Woo | |
| Born | 7 July 2002 | |
| NOC | Republic of Korea |  KOR |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2020 Winter Youth Olympics | Curling | KOR |
Mun Si-U | |||
| Doubles, Mixed Youth (YOG) | Zuzana Pražáková | =25 | ||||
| Team, Mixed Youth (YOG) | Republic of Korea | 12 |
