People who have competed at Australian Brazilian jiu-jitsu and grappling events. Australia only, for now.
| Cleo McCudden | Blue | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Cleo Triantafyllou | Yellow | Marcelino Freitas BJJ |
| Cliffeton Lasalo | White | 5th Wave BJJ |
| Clint Bauer | White | The Collective Grappling Company |
| Clint Harris | Blue | Ground Control BJJ Academy |
| Clinten Ballinger | White | Shepparton Jiu-jitsu |
| Clinton Ashmore | White | Full Tilt Fight and Fitness |
| Clinton Parker | White | One Purpose BJJ |
| Clinton Sheldon | Purple | Ako Martial Arts |
| Clinton Terry | Black | DAREDEVIL JIU JITSU |
| Cliona Trayers | Blue | Gracie Barra Bondi |
| Clive Collins | Blue | Grappling Bros / GFTeam |
| Clive Spencer | White | Progression MMA |
| Clovis Carissimo | Grey | Locals Jiu Jitsu Academy |
| 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 |
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