| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1988 Summer Olympics | Equestrian Eventing (Equestrian) |  JPN |
Kazuhiro Iwatani | |||
| Individual, Open (Olympic) | Copen Hagen V | 36 | ||||
| Team, Open (Olympic) | Copen Hagen V / Japan | |||||
| 1992 Summer Olympics | Equestrian Eventing (Equestrian) | JPN |
Kazuhiro Iwatani | |||
| Individual, Open (Olympic) | Lord Waterford | 37 | ||||
| Team, Open (Olympic) | Lord Waterford / Japan | 7 | ||||
| 1996 Summer Olympics | Equestrian Eventing (Equestrian) | JPN |
Kazuhiro Iwatani | |||
| Team, Open (Olympic) | Sejane de Vozerier / Japan | 6 |
