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.
| White |
| CarbonGym |
| Jack Jackson | White | Gracie Barra Charlestown |
| Jack James | Grey | Gracie Barra Broadbeach |
| Jack Jason Cornell | Blue | THE LAB JIU JITSU SCHOOL AUSTRALIA |
| Jack Kane | White | Nova Arte Brazilian Jiu Jitsu |
| Jack Karney | Blue | Waves Martial Arts Comp Team |
| Jack Kelleher | White | CAZA BJJ Australia |
| Jack Kelly | Blue | Integrated Combat Centre - Peakhurst |
| Jack Kempton | Purple | Absolute MMA |
| Jack Keramea | White | Grappling Education |
| Jack Kyle | Purple | Arte Suave Brazilian Jiu Jitsu |
| Jack Lake | White | Newcastle Karate |
| Jack Landsbergen | White | Team Compton |
| Jack Lane | White | Life BJJ |
| Jack LANGLEY | Unknown belt | Arruda BJJ |
| Jack Lardner | Grey | SJJA Team |
| Jack Latham | White | Arte Suave Brazilian Jiu Jitsu |
| Jack Lee | White | Poundit |
| Jack Lewis | White | LEGACY |
Matstories