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 Gunawan | Brown | Absolute MMA |
| Jason Gush | White | M16/Beachside Jiu-Jitsu |
| Jason Harris | Purple | SPACE BJJ |
| Jason Hill | White | Lemos Brazilian Jiu-Jitsu Academy |
| Jason Horton | Blue | Lasco Jiu Jitsu Gold Coast |
| Jason James | White | Absolute MMA |
| Jason Joseph | White | Will Machado - Comp Team |
| Jason Kim | White | Gracie Barra West Ryde |
| Jason King | Unknown belt | 10th Planet Jiu Jitsu Australia |
| Jason Koch | Blue | Gracie Sutherland Shire (formerly Gracie Miranda) |
| Jason Lee | White | Gracie Barra West Ryde |
| Jason Lennox | White | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Jason Lim | Blue | GFTeam BC |
| Jason Lim | Blue | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Jason Lockwood | Brown | EQUIPE MESTRE WILSON JIU-JITSU AUSTRALIA |
| Jason McDonell | White | Grappling Bros / GFTeam |
| Jason Ng | Black | Australian Elite Team |
| Jason O’Halloran | Grey | Coringa Jiu-Jitsu |
| Jason O’Neill | Brown | De Been 100% Jiu Jitsu |
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