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.
| Joseph Tran | Purple | Flight BJJ |
| Joseph Turner | Purple | Saltwater Jiu-Jitsu |
| Joseph Veras | White | The Ring Gym Muay Thai |
| Joseph Wheeler | White | Cia Paulista Australia |
| Joseph Yoon | Blue | Grappling Education |
| Josephine Baker | Blue | AET Metamorphica |
| Josephine Cannizzaro | White | THE LAB JIU JITSU SCHOOL AUSTRALIA |
| Josephine Elmore | Grey | De Been 100% Jiu Jitsu |
| Josephine Lee | Grey | Gracie Barra Pymble |
| Josephine Perkins | Grey | Gracie Barra Charlestown |
| Josephine Ryan | Grey | Gracie Barra Bondi |
| Josephine Wong | Blue | Grand Martial Arts |
| Josh Allsopp | Unknown belt | Mota-Vation Brazilian Jiu Jitsu. |
| Josh Allsopp | Black | Kumite Jiu Jitsu |
| Josh Alpen | Blue | Studio 55 Brazilian Jiu Jitsu |
| Josh Autridge | Black | WOLFLIFE ACADEMY |
| Josh Backwell | Blue | CBR MMA |
| Josh Badman | White | LEGACY |
| Josh Bauer | Blue | BJJ Lotus Club |
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