People who have competed at Australian Brazilian jiu-jitsu and grappling events. Australia only, for now.
| Christos Terizis | Blue | Legacy Jiu Jitsu |
| Chrysten Kirchmann | White | Atlas Martial Arts / Arruda BJJ |
| Chrystian De Jesús | White | Integrated Combat Centre - Peakhurst |
| Chuck Woolley | White | Elite BJJ Coaching |
| Churchell Alyza Pablo | Blue | Martial Arts Spirit |
| Chy Wilson | Blue | Coringa Jiu-Jitsu |
| Cian Cameron-Gleeson | White | IGOR MMA SYDNEY |
| Cian Fitzsimons | Grey | Peninsula MMA |
| Cian Hansen | White | INTEGR8 Martial Arts & Fitness |
| Cian McCudden | Blue | Melbourne Jiu -Jitsu Academy |
| Cian Quinn-O’Connor | White | Integrated MMA HQ |
| Ciana Fakiki | White | Australian Elite Team |
| Ciara Calgaret | Grey | Spektrum Martial Arts |
| Ciara Okazima | Grey | Equinox Academy |
| Ciaran Dunne | Blue | Gracie Elite Australia |
| Ciaran Flynn | White | Fight Club Jiu-Jitsu team |
| Ciaran Hayes | Grey | SJJA Team |
| Ciaran O'Dwyer | Unknown belt | Gracie Jiu Jitsu Footscray |
| Ciaran OConnor | White | GRACIE HUMAITA AUSTRALIA |
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