People who have competed at Australian Brazilian jiu-jitsu and grappling events. Australia only, for now.
| Clay Perkins | White | Sydney West Martial Arts |
| Clay Stiller | Grey | Golden Fox Brazilian Jiu Jitsu |
| Clayton Griffiths | White | TSA Combat Sports |
| Clayton Imbree | Blue | Southern Cross Jiu-Jitsu Academy |
| Clayton Jasper | White | The Agoge Brazilian Jiu-Jitsu |
| Cleay Lawrence | White | Balance BJJ |
| Clélia QUENSON | Purple | Adelaide Jiu Jitsu Academy |
| Clelia Spillane | Grey | Team Lead |
| Clemence Levecque | Blue | Australian Elite Team |
| Clement Delval | White | LEGACY |
| Clement Lee | White | CAZA BJJ Australia |
| Clement Salivet | White | Kimura Nouméa |
| Clement Wong | Blue | Gracie Humaita Castle Hill Academy |
| Cleo Lesser | Blue | Spectrum Muay Thai |
| 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 |
Wave