 | Olava Rosa is a jockey. more » |
 | Oliver Lewis was an African-American jockey in Thoroughbred horse racing. In 1875, Lewis rode in... more » |
 | Olivier Doleuze is a French born jockey and is considered to be one of the world's premier... more » |
 | Olivier Peslier is a thoroughbred horse racing jockey. Peslier competes in flat racing mainly in... more » |
| Oscar Sanchez is a racetrack jockey. more » |
 | Otto Wonderly was a Canadian Thoroughbred horse racing jockey from Ontario who competed in his... more » |
| Ovie Scurlock is a former jockey in American Thoroughbred horse racing. Born in Paintsville,... more » |
