People who have competed at Australian events. Australia only, for now.
| Jack Ormerod |
| White |
| Element Australia |
| Jack Ryan | White | DOMINANCE |
| Jack Sartain | White | LCS GYM |
| Jack Singer | White | AMMA GYM BRAZILIAN JIU JITSU |
| Jack Smedley | White | BBJJ · De Been 100% Jiu Jitsu |
| Jack Smith | Blue | Hobart martial arts academy |
| Jack Sofer | Yellow | TA | BYRON BAY |
| Jack Spark | Brown | Black Dragon Kai |
| Jack Staples | White | Carlson Gracie Gold Coast |
| Jack Steff | Grey | Courage Training Centre |
| Jack Stephenson | White | Australian Elite Team |
| Jack Tassell | Blue | Galeb BJJ |
| Jack Telfer | White | PEAK Brazilian Jiu Jitsu |
| Jack Towns | White | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Jack Tucker | Blue | Stewie's House Of BJJ |
| Jack Vandersteen | Brown | Legends Brazilian Jiu Jitsu Australia |
| Jack Wandmaker | White | SJJA Bulimba |
| Jack Waring | White | Casey Elite Martial Arts |
| Jack Willsher | Purple | Broz Martial Arts |
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