People who have competed at Australian events. Australia only, for now.
| Jack Brand | White | Full Tilt Fight and Fitness |
| Jack Bryant | Grey | LEGACY |
| Jack Butler | Purple | Will Machado - Comp Team |
| Jack Carter - Brown | Unknown belt | Fusion Fight and Fitness |
| Jack Cronin | Grey | GFTeam Sunshine Coast |
| Jack Curtis | Grey | GRACIE BARRA CARINGBAH |
| Jack Davidson | Blue | Garage Grappling |
| Jack Davies | Blue | SHED 12 Brazilian Jiu Jitsu |
| Jack Docherty | Blue | — |
| Jack Edwards | Grey | Shape Jiu Jitsu |
| Jack Esplin | Purple | Atlas Martial Arts / Arruda BJJ |
| Jack Evans | Blue | Behan Jiu Jitsu · Modern Musashi Brazilian Jiu Jitsu |
| Jack Ferguson | Grey | Fight Club Jiu-Jitsu team |
| Jack Ford | White | shindo new breed |
| Jack Gaskell | Unknown belt | Precision MMA & Conditioning |
| Jack Goddard | Blue | VOA Jiu Jitsu |
| Jack Goding | White | BJJ Lotus Club |
| Jack Gouges | Grey | Coringa Jiu-Jitsu |
| Jack Grimley | Blue | Wolves Den Perth |
683 rows · page 1 of 28
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