| Games |  |
 |
 |
Total |
|---|---|---|---|---|
 Summer Olympics |
0 | 3 | 2 | 5 |
| Winter Olympics |
0 | 0 | 0 | 0 |
| Total | 0 | 3 | 2 | 5 |
| Medal | Athletes | Games | Sport | Event | ||
|---|---|---|---|---|---|---|
|
 Japan |
Tsuyoshi YAMANAKA |  1960 Rome |
 Swimming |
Men's | 400m freestyle |
|
Japan |
Yoshihiko OSAKI | 1960 Rome |
Swimming |
Men's | 200m breaststroke |
|
Japan |
Tatsuo FUJIMOTO Makoto FUKUI Tsuyoshi YAMANAKA Hiroshi ISHII |
1960 Rome |
Swimming |
Men's | 4x200m freestyle relay |
|
Japan |
Kazuo TOMITA Yoshihiko OSAKI Koichi HIRAKIDA Keigo SHIMIZU |
1960 Rome |
Swimming |
Men's | 4x100m medley relay |
|
Japan |
Satoko TANAKA | 1960 Rome |
Swimming |
Women's | 100m backstroke |
| 5 | Total | |||||