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.
| Ruby Rule | Grey | The Collective Grappling Company |
| Ruby Schrader | Grey | 5th Wave BJJ |
| Ruby Taylor | Grey | Broz Martial Arts |
| Ruby Taylor | Grey | Shape Jiu Jitsu |
| Ruby Tough | Unknown belt | Honour Brazilian Jiu Jitsu |
| Ruby Trewin | Unknown belt | DNA MMA |
| Ruby Waldren | Grey | Coringa Jiu-Jitsu |
| Ruby Williams | White | Phoenix Training Centre |
| Ruby-Lee Thomas | White | Danger Close Martial Arts |
| Ruby-Lou Rowlinson | Grey | Wolves Den Perth |
| Rudolf Socha | White | TA | BYRON BAY |
| Rudy Doyle | White | One Purpose BJJ |
| Rufus Luxford | White | De Been 100% Jiu Jitsu |
| Ruhan Shanmugam | White | Fat Cat Jiu Jitsu Club |
| Ruilin Yan | White | Poundit |
| Rukiah Ibrahim | Grey | Gracie Elite Dural |
| Rumiko Sasaki | Brown | SJJA Team |
| Rupe Guyot | Blue | Flow Martial Arts Coolangatta |
| Rupert Atkinson | Yellow | Gracie Barra Orange |
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