| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Chiaki•Ishii |
| Used name | Chiaki•Ishii |
| Born | 1 October 1941 in Ashikaga, Tochigi (JPN) |
| Died | 16 October 2026 (aged 85 years 15 days) in São Paulo, São Paulo (BRA) |
| Measurements | 180 cm / 93 kg |
| NOC |  Brazil |
| Medals | OG |
| Gold | 0 |
| Silver | 0 |
| Bronze | 1 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Judo | BRA |
Chiaki Ishii | |||
| Half-Heavyweight, Men (Olympic) | =3 | Bronze | ||||
| Open Class, Men (Olympic) | =7 |
