People who have competed at Australian events. Australia only, for now.
| Caleb Welsh | Grey | Braddah Jiu Jitsu |
| Calem Leimbach | Grey | Pure Jiu Jitsu Southern Highlands |
| Cali Te Hira | Grey | Modern Musashi Brazilian Jiu Jitsu |
| Calla Senior | Grey | Taurus Brazilian Jiu Jitsu |
| Calla-Lily Perkins | White | Honour Brazilian Jiu Jitsu |
| Callam Baird | Blue | Empire Martial Arts |
| Callan Roberts | Yellow | DC AUSTRALIA |
| Callie Tran | Grey | Gracie Barra Kingsgrove |
| Callum Beddoe | Grey | Nakama BJJ |
| Callum Capriotti | Purple | Essence Brazilian Jiu Jitsu |
| Callum Crossey | Grey | Gracie Barra Castle Hill |
| Callum Hughes | Orange | Legion 13 HQ |
| Callum Mackenzie | Purple | DC AUSTRALIA |
| Callum Macpherson | Blue | Gracie Barra Tamworth (AU) |
| Callum Millard | Black | Kaizen Lab Jiujitsu |
| Callum Stevens | White | Lemos Brazilian Jiu-Jitsu Academy |
| Calum Cruz-Long | White | INTEGR8 Martial Arts & Fitness |
| Calysta Vlahos | Grey | SJJA Team |
| Cam Bates | White | Ronin Jiu-Jitsu Newcastle |
Wave