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.
| Ethan Phillips | Purple | Arte Suave Brazilian Jiu Jitsu |
| Ethan Pope | Blue | Gracie Barra Central Coast |
| Ethan Quinn | Blue | Gracie Barra Kiama |
| Ethan Rathborne | White | Central coast mixed martial arts |
| Ethan Rees | Unknown belt | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Ethan Richards | Blue | Gracie Barra Mount Lawley |
| Ethan Rocha | Unknown belt | Guerrilla Jiu-Jitsu Newcastle |
| Ethan Rodrigues | Blue | CAZA BJJ Australia |
| Ethan Rogoff | Yellow | Gracie Barra Bondi |
| Ethan Rosa | White | Wickham’s Martial Arts |
| Ethan Rosenzweig | Grey | Base Gracie Jiu-Jitsu |
| Ethan Roworth | Blue | Insight Jiu Jitsu Academy |
| Ethan Rubens | White | Fightcross MMA/Zenith |
| Ethan Ruddy | Blue | Fight Club Jiu-Jitsu team |
| Ethan Saunders | Unknown belt | Lemos Brazilian Jiu-Jitsu Academy |
| Ethan Smith | Blue | Absolute MMA |
| Ethan Smith | Blue | Absolute MMA |
| Ethan Solomon | Purple | Gracie Elite Australia |
| Ethan Solsky | White | ORIGEM JIU-JITSU |
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