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 Paul Pezzutto | White | PMA Mixed Martial Arts |
| John Peter Parajo | White | Grappling Education |
| John Price | Blue | The Agoge Brazilian Jiu-Jitsu |
| John Reyes Pascual | Black | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| JOHN RIORDAN | Blue | Australian Elite Team |
| John Rossborough | White | First Degree Jiu-Jitsu |
| John Russel Dela Cerna | Grey | Will Machado - Comp Team |
| John Sarkis | Grey | Gracie Barra Edgeworth |
| John Schluter | Blue | Prevail BJJ |
| John Searle | White | Cris Hisa BJJ Team |
| John Semrani | White | Team Perosh MMA |
| John Shinfield | White | Point Break Brazilian Jiu Jitsu |
| John Simitsiotis | Grey | LEGACY |
| John Snyder | Blue | Gracie Raleigh |
| John Stamas | Grey | Carlson Gracie Gold Coast |
| John Stefanov | Grey | Gracie Barra Castle Hill |
| John Stenner | Blue | Gracie Barra Mount Lawley |
| John Stocker | Grey | Gracie Barra Charlestown |
| John Stott | Brown | Melbourne Jiu -Jitsu Academy |
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