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.
| Jack Ormerod | White | Element Australia |
| Jack Oshea | White | Stockade Training Centre |
| Jack Pellegrino | Grey | SJJA Team |
| Jack Pepper | White | Grow Strong MMA |
| Jack Provan | White | De Been 100% Jiu Jitsu |
| Jack Pryce-Jones | White | Temple Jiu Jitsu |
| Jack Quinney | White | ORIGEM JIU-JITSU |
| Jack Radel | Blue | TRINITY Australia |
| Jack Ratcliffe | White | Toa BJJ |
| Jack Read | White | Invictus MMA - Tullamarine |
| Jack Rhodes | Blue | Alpha Jiu Jitsu Academy / Jean Jacques Machado Sydney |
| Jack Richards | White | Team Moreira No Gi Brazilian Jiu Jitsu |
| Jack Ryan | White | DOMINANCE |
| Jack Salisbury | Blue | Absolute MMA |
| Jack Sartain | White | LCS GYM |
| Jack Seale | White | No Limits Gym |
| Jack Selby | Blue | CMBT Training Centre |
| Jack Shears | Grey | Grappling Bros / GFTeam |
| Jack Shewring | White | Gracie Barra Central Coast |
Matstories