| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Hachiro•Arakawa |
| Used name | Hachiro•Arakawa |
| Original name | 荒川•八郎 |
| Born | 8 August 1933 |
| Measurements | 172 cm / 64 kg |
| NOC | Japan |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1964 Summer Olympics | Water Polo (Aquatics) | JPN |
Hachiro Arakawa | |||
| Water Polo, Men (Olympic) | Japan | =9 |