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.
| Clive Collins | Blue | Grappling Bros / GFTeam |
| Clive Spencer | White | Progression MMA |
| Cloe Ashton | White | Ultimate Jiu Jitsu |
| Clovis Carissimo | Grey | Locals Jiu Jitsu Academy |
| Clyde Lodding | Unknown belt | Galeb BJJ |
| Cobain Smith | Grey | Ground Control BJJ Academy |
| Cobi Jones | Brown | Gracie Barra Shellharbour |
| Cobin Power | White | Eadie Academy |
| Coby Fantini | Blue | CMBT Training Centre |
| Coby Mayne | White | Sanuk Brazilian Jiu Jitsu |
| Coby Mejia | Grey | LEGACY |
| Coby Peterson | Unknown belt | Flux Jiu Jitsu |
| Coby Smith | White | Empire Martial Arts |
| Coby Stocks | White | Hobart martial arts academy |
| Coby Wallin | Orange | ONE Jiu-Jitsu Academy |
| Coco Blake | Grey | Carlson Gracie Gold Coast |
| Coco Falconer | White | Bushido Academy |
| Coco Makings | Unknown belt | The Agoge Brazilian Jiu-Jitsu |
| Coco Mogoai | Grey | Bayside BJJ |
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