People who have competed at Australian Brazilian jiu-jitsu and grappling events. Australia only, for now. See Australian BJJ rankings for recorded wins by belt, state, and ruleset.
| Olivier Decitre | White | Courage Training Centre |
| Olivier Duchenne | White | SJJA Team |
| Olivio Benvenuto | White | Modern Combat Academy |
| Ollie Bramhill | White | Complete Control Martial Arts |
| Ollie Byrne | Blue | BRAVOS BJJ |
| Ollie Henry | White | LEGACY |
| Ollie Higgins | Grey | SJJA Team |
| Ollie Hitter | White | Evolution BJJ |
| Ollie Holdsworth | Grey | Galeb BJJ |
| Ollie Houston | Grey | Gracie Barra Burleigh Heads |
| Ollie Huber | Grey | Team Perosh MMA |
| Ollie McMaster | Grey | VICE Jiu Jitsu |
| Ollie Mikolajewski | Grey | Roll up Jiu-jitsu |
| Ollie Parker | Unknown belt | Southern Stars Taekwondo |
| Ollie Peck | Grey | Bushido Academy |
| Ollie Scowcroft | White | Carlson Gracie Team |
| Ollie Sharp | Grey | Grapple Factory |
| Ollie Skelton | White | SJJA Team |
| Ollie Sudarski | Unknown belt | House of grappling ( Melbourne) |
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