People who have competed at Australian Brazilian jiu-jitsu and grappling events. Australia only, for now. See Australian BJJ rankings for recorded wins by belt, state, and ruleset.
| Thomas Chew | Blue | Mach One |
| Thomas Clegg | Blue | Bayside BJJ |
| Thomas Cloak | Blue | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Thomas Considine | White | Brazilian Jiu Jitsu Factory |
| Thomas Cordner | White | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Thomas Crone-Nielsen | Grey | Pacheco Jiu Jitsu |
| Thomas Crouch | Brown | Cia Paulista Australia |
| Thomas Currie | Blue | DKMMA |
| Thomas Cutajar | White | Nexus Jiu-Jitsu & MMA |
| Thomas Dalsochio Feitosa | Grey | Gracie Barra West Ryde |
| Thomas David | Black | Australian Elite Team |
| Thomas Demyane | White | Legacy Jiu Jitsu |
| Thomas Denson | White | LEGACY |
| Thomas Dibbens | Blue | SA Judo Academy |
| Thomas Donovan | White | Infinity Brazilian Jiu JItsu Australia |
| Thomas Drebber | White | Grappling Bros / GFTeam |
| Thomas Dunne | White | Galeb BJJ |
| Thomas Eaton | Unknown belt | TFIT - Total Health & Fitness |
| Thomas Fergusson | White | Progression MMA |
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