| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Kazuo•Hanaoka |
| Used name | Kazuo•Hanaoka |
| Original name | 花岡•一夫 |
| Born | 11 February 1949 |
| Measurements | 185 cm / 85 kg |
| NOC |  Japan |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1976 Summer Olympics | Sailing | JPN |
Kazuo Hanaoka | |||
| Two-Person Heavyweight Dinghy, Open (Olympic) | Takumi Horiuchi | 18 | ||||
| 1988 Summer Olympics | Sailing | JPN |
Kazuo Hanaoka | |||
| Three-Person Keelboat, Open (Olympic) | Japan | 11 |
