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.
| Romeo Rebolledo | Grey | Australian Elite Team |
| Romeo Reyle | White | Arte Suave Brazilian Jiu Jitsu |
| Romeo Tyrone Pounamu Koia | Grey | Moraes BJJ |
| Romeo Vracknos | White | Nexus Jiu-Jitsu & MMA |
| Romeo Wells | Yellow | SJJA Team |
| Romeu De Carvalho E Sa | White | GRACIE BARRA CARINGBAH |
| Romi Kaman | Grey | Complete Mixed Martial Arts |
| Romy Hutensky | Grey | Garage Grappling |
| Ron Cheung | Black | Pure Jiu Jitsu Southern Highlands |
| Ron Coleman | Blue | Gracie Elite Australia |
| Ron Gudilos | Unknown belt | Kumite Jiu Jitsu |
| Ronal Murti | Blue | Marcelino Freitas BJJ |
| Ronald Brear | Blue | Gracie Barra Wollongong |
| Ronald Hull | Blue | Warrior World gym - Team fightbrothers |
| Ronald Nguyen | White | Forza Jiu Jitsu |
| Ronaldo Batista Do Carmo Júnior | Blue | Melbourne Jiu -Jitsu Academy |
| Ronan Davies | White | Virtue Brazilian Jiu-Jitsu Australia |
| Ronan Duff | Blue | Elements Grappling Academy |
| Ronan Duggan | White | CAZA BJJ Australia |
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