| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Volleyball (Volleyball) | Mariko Okamoto | ||||
| Volleyball, Women (Olympic) | Japan | 2 | Silver | |||
| 1976 Summer Olympics | Volleyball (Volleyball) | Mariko Okamoto | ||||
| Volleyball, Women (Olympic) | Japan | 1 | Gold |