| Roles | Competed in Olympic Games • Competed in Youth Olympic Games |
|---|---|
| Sex | Female |
| Full name | Yuna•Koga |
| Used name | Yuna•Koga |
| Original name | 古賀•結那 |
| Born | 2 April 2002 in Tokyo, Tokyo (JPN) |
| Affiliations | DGSC |
| NOC |  Japan |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2020 Winter Youth Olympics | Freestyle Skiing (Skiing) | JPN |
Yuna Koga | |||
| Halfpipe, Girls (YOG) | 14 | |||||
| Slopestyle, Girls (YOG) | 9 | |||||
| 2026 Winter Olympics | Freestyle Skiing (Skiing) | JPN |
Yuna Koga | |||
| Slopestyle, Women (Olympic) | 18 | |||||
| Big Air, Women (Olympic) | 25 |
