| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Seiichi•Osanai |
| Used name | Seiichi•Osanai |
| Original name | 長内•清一 |
| Born | 20 December 1953 in Iwate, Iwate (JPN) |
| Measurements | 161 cm / 62 kg |
| NOC | Japan |
Seiichi Osanai had the following finishes at major championships – 1981 World Championship: 62.0 kg. Greco-Roman (5th); 1991 Asian Championship: 62.0 kg. Greco-Roman (5th); 1986 Asian Games: 62.0 kg. Greco-Roman (1st).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1984 Summer Olympics | Wrestling | JPN |
Seiichi Osanai | |||
| Featherweight, Greco-Roman, Men (Olympic) | 8 |