| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1956 Summer Olympics | Swimming (Aquatics) |  JPN |
Hitomi Jinno | |||
| 100 metres Freestyle, Women (Olympic) | =23 | |||||
| 4 × 100 metres Freestyle Relay, Women (Olympic) | Japan | 9 | ||||
| 1960 Summer Olympics | Swimming (Aquatics) | JPN |
Hitomi Jinno | |||
| 100 metres Freestyle, Women (Olympic) | 31 | |||||
| 4 × 100 metres Freestyle Relay, Women (Olympic) | Japan | 10 |
