| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Kazuo•Watanabe | |
| Used name | Kazuo•Watanabe | |
| Original name | 渡辺•和夫 | |
| Born | 5 February 1938 in Tokyo, Tokyo |  JPN |
| Measurements | 168 cm / 66 kg | |
| NOC | Japan | JPN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1960 Summer Olympics | Swimming (Aquatics) | JPN |
Kazuo Watanabe | |||
| 100 metres Backstroke, Men (Olympic) | 30 | |||||
| 4 × 100 metres Medley Relay, Men (Olympic) | Japan | 3 |
