People who have competed at Australian events. Australia only, for now.
| Catherine Ting | White | SJJA Team |
| Catrina Wu | Yellow | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Cavalli Tarawa | Grey | Waves Martial Arts Comp Team |
| Cayden Prince | Grey | Alpha Jiu Jitsu Academy / Jean Jacques Machado Sydney |
| Caylee Spaens | Grey | SJJA Team |
| Caylum Oelsen | Grey | Base Training Centre |
| Cecilia Almeida Pavam | White | Gold Coast Brazilian Jiu-Jitsu |
| Cedric Dyer-Moore | Grey | One Purpose BJJ |
| Celestina Moore | Grey | Absolute MMA |
| Celiene Chehade | Blue | DOMINANCE |
| Celina Pedzik | Blue | Martial Arts Spirit |
| Celine Kayleigh Siddiqi-Singh | Grey | De Been 100% Jiu Jitsu |
| Celine Wahhab | Grey | Gracie Barra Carlton |
| Cerrus Norris | White | Garage Grappling |
| Ceyda Geldikaya | Blue | Australian Elite Team |
| Ceyda Kilic | White | Australian Submission Academy |
| Chace Hattinger | Yellow | Trojan Academy |
| Chace Krstic | Blue | GCJ Academy |
| Chad Elliott | Black | Gracie Barra Tuggerah |
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