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.
| Korbey Brooks | White | Armour Brazilian Jiujitsu |
| Korbin Sayeg | White | Ignite Martial Arts Academy |
| Korbin Tangiiti | White | Gracie Barra Sydney |
| Korbin Turley | Grey | Complete Control Martial Arts |
| Korra Mcclelland | Grey | LEGACY |
| Korra Oneroa-Evans | Grey | GOIOERE BJJ TEAM |
| Kortez Dorset-Harvey | Green | Phronesis Jiu Jitsu |
| Kosta Asvestas | White | Immersion MMA |
| Kosta Crnic | Unknown belt | Harlequin's Brazilian Jiu-Jitsu |
| Kosta Douvos | Blue | Absolute MMA |
| Kosta Panagakis | White | John Donehue Jiu Jitsu |
| Kosta Pikos | Purple | SBG Australia |
| Kostas Anastasiou | Unknown belt | Global Martial Arts AU |
| Kota Riordan | Unknown belt | TJJ SCHOOL AUSTRALIA |
| KOUSHI KAWAZU | Purple | CAZA BJJ Australia |
| Kova Ruaporo | Grey | Platinum Jiu Jitsu |
| KP Irfanli | Grey | Absolute MMA |
| Krane Burke | Blue | M16/Beachside Jiu-Jitsu |
| Kris Amicus | White | Point Break Brazilian Jiu Jitsu |
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