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.
| Kasch Maunder | Yellow | De Been 100% Jiu Jitsu |
| Kase Milham | Blue | Empire Martial Arts |
| Kasey Shea | White | Eagle Martial Arts |
| Kasey Shipley | White | Gracie Barra Tamworth (AU) |
| Kash Legzdins | Unknown belt | Portal Brazilian Jiu Jitsu |
| Kash Nazari | White | Gracie Humaita Castle Hill Academy |
| Kasimilo Figota | White | Parramatta Jiu Jitsu Academy |
| Kaspar Frost | Unknown belt | Forza Jiu Jitsu |
| Kaspar Winkler | White | SBG Australia |
| Kaspian Morris | Grey | SJJA Team |
| Kassem Charafeddine | Grey | Sydney Wrestling Academy |
| Katana Hurihanganui | White | The Huri Tribe |
| Kate Breaden | Yellow | Kyu Taekwondo |
| Kate Evans Lloyd | White | Ace Academy |
| Kate Kinsela | White | Dark Carnival |
| Kate Mcloughlan | Blue | Golden Fox Brazilian Jiu Jitsu |
| Kate Pardon | White | Mildura Martial Arts |
| Kate Thomson | Blue | The Academy of Grounding |
| Katelyn Boyd | Blue | LEGACY |
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