People who have competed at Australian events. Australia only, for now.
| Thomas O’Brien | Blue | Roar MMA Rockingham |
| Thomas Owens | White | Forza Jiu Jitsu |
| Thomas Partridge | Blue | Open Mat Jiu Jitsu |
| Thomas Picton | Grey | LEGACY |
| Thomas Platania | Grey | SJJA Team |
| Thomas Pursey | Grey | Gracie Barra Carlton |
| Thomas Rees | Grey | Gracie Barra St Peters Australia |
| Thomas Rojas | White | Kaizen Lab Jiujitsu |
| Thomas Russell | Grey | XFC - Australian Top Team |
| Thomas Ryan | White | Team Perosh MMA |
| Thomas Schrodter | Grey | Behan Jiu Jitsu |
| Thomas Sheehan | Grey | Lemos Brazilian Jiu-Jitsu Academy |
| Thomas Shuttleworth | White | Viking MMA |
| Thomas Singleton | White | Whitsunday Martial Arts |
| Thomas Stavrou | Grey | Gracie Barra St Peters Australia |
| Thomas Stedman | White | 10th Planet Jiu Jitsu Australia |
| Thomas Steff | Grey | Courage Training Centre |
| Thomas Stevens | White | The Good Dose |
| Thomas Stockwell | Unknown belt | Straight Blast Gym |
Wave