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.
| Rex Claughton | White | Spektrum Martial Arts |
| Rex Davidson | Unknown belt | Fighters guild |
| Rex Luppi | Grey | SJJA Team |
| Rex O’Rourke | Yellow | Cia Paulista Australia |
| Rex Rainbow | Blue | Element Australia |
| Rey Wijaya | Unknown belt | Midcoast Jiu Jitsu Academy |
| Rey Wright | Grey | Gracie Botany |
| Reyan Bhardwaj | Unknown belt | IMC Australia |
| Reyan Kosaraju | Grey | Gracie Elite Australia |
| Reyansh Kanerkar | Grey | AUSTRALIAN GRAPPLING CLUBS |
| Reyes Rolfe | Grey | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Reyne Barnsdale | White | Studio 55 Brazilian Jiu Jitsu |
| Reyner Tjen | White | DOMINANCE |
| Reynold Kumar | Purple | Absolute MMA |
| Reyzhel Gregorio | White | Gracie Barra Blacktown City |
| Reznor Tuke | Orange | CAZA BJJ Australia |
| Rhada El Sayed | White | SUPREME ART CLUB |
| Rhami Atalla | Grey | De Been 100% Jiu Jitsu |
| Rhea Garas | White | Gracie Sutherland Shire (formerly Gracie Miranda) |
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