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.
| John Wayne Rooney | Black | BJJ Lotus Club |
| John Weall | Unknown belt | GFTeam Australia |
| John White | Blue | TJJ SCHOOL AUSTRALIA |
| John Wicks | Blue | Gracie Barra Hunter Valley |
| John Wynter | White | Corporate Box Fortitude Valley |
| John Zakharia | White | Braddah Jiu Jitsu |
| John-Ray Batti | White | Apex Brazilian Jiu Jitsu |
| Johnathon Adem | White | Primal grappling academy |
| Johnathon Kaponikolos | White | Technique Jiu Jitsu |
| Johnathon Koutoxidis | White | Bayside BJJ |
| Johnathon Koutoxidis | White | Bayside BJJ |
| JohnMichael Felici | Grey | SJJA Team |
| Johnny Armstrong | Black | Australian Elite Team |
| Johnny Bi | Yellow | De Been 100% Jiu Jitsu |
| Johnny Cardiff | Yellow | Cassidy Combat Club |
| Johnny Collins | White | Integrated MMA HQ |
| Johnny Ferreira | White | Gracie Barra Burleigh Heads |
| Johnny Fryer | Grey | Gracie Barra Edgeworth |
| Johnny Mason | White | Team Lazaros BJJ & MUAY THAI |
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