People who have competed at Australian events. Australia only, for now.
| Blue |
| — |
| Jack Hobbs | Blue | — |
| Jack Holmstrom | Grey | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Jack Howells | Blue | MYBJJ TEAM |
| Jack Huckin | Grey | SJJA Team · SJJA Caloundra |
| Jack James | Grey | Gracie Barra Broadbeach |
| Jack Kane | White | Nova Arte Brazilian Jiu Jitsu |
| Jack Karney | White | Waves Martial Arts Comp Team |
| Jack Kelleher | White | CAZA BJJ Australia |
| Jack Kelly | Blue | Integrated Combat Centre - Peakhurst |
| Jack Kyle | Purple | Arte Suave Brazilian Jiu Jitsu |
| Jack Lardner | Grey | SJJA Wynnum · SJJA Team |
| Jack Martinez | Grey | Waves Martial Arts · Waves Martial Arts Comp Team |
| Jack McGrath | White | Martial Arts Queensland |
| Jack McWeeney | Black | Lemos Brazilian Jiu-Jitsu Academy |
| Jack Metherall | Purple | Galeb BJJ |
| Jack Millar | White | Ako Martial Arts |
| Jack Newell | White | Jiu Jitsu Kingdom |
| Jack O'Connor | White | Brothers Brazilian Jiu Jitsu |
Wave