| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Riichi•Arai | |
| Used name | Riichi•Arai | |
| Original name | 荒井•利一 | |
| Born | 16 August 1933 in Okaya, Nagano |  JPN |
| Affiliations | Matsushita Electric | |
| NOC | Japan | JPN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1956 Summer Olympics | Basketball (Basketball) | JPN |
Riichi Arai | |||
| Basketball, Men (Olympic) | Japan | 10 |
