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.
| Janine Sosa | Blue | Jiu Jitsu Kingdom |
| Janna Fortaleza | White | John Donehue Jiu Jitsu |
| Janna Martin | White | Fight Club Jiu-Jitsu team |
| Janna Tuhua | Blue | Galeb BJJ |
| Janna Weeks | Blue | Cris Hisa BJJ Team |
| Jannah Dib | Grey | Team Lead |
| JANNAH FARAGALLAH | Blue | Fight Club Jiu-Jitsu team |
| Jannah Imi Dib | White | IFA Martial Arts |
| Jannali Davidson | White | Galeb BJJ |
| Jannes Gardeja | White | BJJ Stralsund |
| Janu Freysen | Yellow | Gracie Barra Burleigh Heads |
| Janusz Kania | White | Resilience Training Centre |
| Jaos Jarden | Blue | GroundForce Martial Arts Academy |
| Jap Asankh Singh Dhaliwal | Grey | Team Sparta |
| Japleen Kaur | Unknown belt | HTC |
| Jaquan Singh | Unknown belt | Born Ready MMA |
| Jaque Olguera | Yellow | GRACIE HUMAITA AUSTRALIA |
| Jardine Ruben | White | Gracie Jiu-jitsu Camira |
| Jared Atkins | White | TFC - The Fight Centre |
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