 
| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Luiz•Yoshio Onmura | 
| Used name | Luiz•Onmura | 
| Born | 29 June 1960 in São Paulo, São Paulo (BRA) | 
| Measurements | 168 cm / 71 kg | 
| Affiliations | Flamengo, Rio de Janeiro (BRA) | 
| NOC |  Brazil | 
| Medals | OG | 
| Gold | 0 | 
| Silver | 0 | 
| Bronze | 1 | 
| Total | 1 | 
Luiz Onmura won silver in the featherweight class -65 kg (1979) as well as in the lightweight class -71 kg (1983 and 1987) at the Pan American Games. His brother Nelson won silver in the featherweight class -65 kg (1987).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1980 Summer Olympics | Judo |  BRA | Luiz Onmura | |||
| Half-Lightweight, Men (Olympic) | =13 | |||||
| 1984 Summer Olympics | Judo |  BRA | Luiz Onmura | |||
| Lightweight, Men (Olympic) | =3 | Bronze | ||||
| 1988 Summer Olympics | Judo |  BRA | Luiz Onmura | |||
| Lightweight, Men (Olympic) | =13 |