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.
| Jason Scarmozzino | White | Kings MMA |
| Jason Shields | Grey | Leeton Jiu Jitsu |
| Jason Sullivan | Blue | De Been 100% Jiu Jitsu |
| Jason Sze | White | Integrated MMA HQ |
| Jason Teh | Purple | Cia Paulista Australia |
| Jason Tran | Blue | SUPREME ART CLUB |
| Jason TY Ma | White | Hometown Jiu-Jitsu |
| Jason Van Der Walt | Blue | CAZA BJJ Australia |
| Jason Wainwright | White | Gracie Barra Penrith |
| Jason Waters | White | LEGACY |
| Jason Watkins | White | Movement Martial Arts |
| Jason Yearling | White | Garage Grappling |
| Jaspar Jensen | White | Australian Elite Team |
| Jasper Barrett | White | MMA Fight Lab |
| Jasper Brennan | White | Mota-Vation Brazilian Jiu Jitsu. |
| Jasper Crawford | Grey | Gracie Barra Blacktown City |
| Jasper Dei Agnoli | Orange | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Jasper Deviesseux | White | SJJA Team |
| Jasper Duncan | Unknown belt | Danger Close Martial Arts |
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