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.
| Kubra Hasan | Black | Olympic Martial Arts Centre |
| Kuch Ater | White | Resilience Training Centre |
| Kumiko Matsushita | White | Braddah Jiu Jitsu |
| Kun Lin | Blue | SJJA Team |
| Kuni Nakajima | Purple | Revolution Martial Arts Australia |
| Kuong Seng | White | Sydney Wrestling Academy |
| Kupe Larkins | White | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Kurosh Ghorbani | Yellow | Cassidy Combat Club |
| Kurt Austin | White | Gracie Smeaton Grange |
| Kurt Bannister | Blue | Gracie Barra Surfers Paradise |
| Kurt Bell | White | Garra Brazilian Jiu Jitsu Australia |
| Kurt Bullot | Blue | Gracie Barra Broadbeach |
| Kurt Crebbin | Blue | Base Training Centre |
| Kurt Dawson | White | HUIA MARTIAL ARTS |
| Kurt De Amyand | Blue | Essence Brazilian Jiu Jitsu |
| Kurt Fynn | Blue | VANGUARD JIU JITSU |
| Kurt Halley | White | BLUE MOUNTAINS MARTIAL ARTS CENTRE |
| Kurt Kreutner | Blue | Armour Brazilian Jiujitsu |
| Kurt Lomas | Blue | Rogue MMA |
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