People who have competed at Australian Brazilian jiu-jitsu and grappling events. Australia only, for now.
| Ruairi Neeson | White | Kickass MMA |
| Ruan Carvalho Costa | Blue | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Rubem Demarchi | Purple | NORTHSOUTH JIU JITSU |
| Ruben Chaparro | Blue | Academy 411 |
| Ruben Cole | Purple | Garra Brazilian Jiu Jitsu Australia |
| Ruben De Leeuw | White | Gracie Smeaton Grange |
| RUBEN HUSSEY | Unknown belt | The Jiu-Jitsu Studio Darwin |
| Ruben Karaitiana | Unknown belt | The Jiu-Jitsu Studio Darwin |
| Ruben Pateman | White | XFC - Australian Top Team |
| Ruben Roach | Grey | Kings Academy Australia |
| Ruben Schembri | White | SJJA Team |
| Ruben Sciglitano | White | Absolute MMA |
| Ruben Thaddeus | White | Bear Cave BJJ |
| Ruby Barcellos | Grey | SJJA Team |
| Ruby Barratt | Grey | MAROCCOLO ACADEMY |
| Ruby Boler | Grey | Gracie Elite Australia |
| Ruby Bond | Unknown belt | Lemos Brazilian Jiu-Jitsu Academy |
| Ruby Bradford | Blue | Absolute MMA |
| Ruby Carkner | White | Galeb BJJ |
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