| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2000 Summer Olympics | Swimming (Aquatics) | Sachiko Yamada | ||||
| 400 metres Freestyle, Women (Olympic) | 12 | |||||
| 800 metres Freestyle, Women (Olympic) | 8 | |||||
| 2004 Summer Olympics | Swimming (Aquatics) | Sachiko Yamada | ||||
| 400 metres Freestyle, Women (Olympic) | 6 | |||||
| 800 metres Freestyle, Women (Olympic) | 12 |