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.
| Michael Jlailaty | White | Gracie Barra Hornsby |
| Michael Joseph | White | AJA - Alavanca Jiujitsu Academy |
| Michael Joyce | Blue | Apex MMA, Muay Thai & Jiu-Jitsu |
| Michael Kan | Grey | Kronos BJJ |
| Michael Kaplan | White | Gracie Barra Hornsby |
| Michael Karevski | Blue | Ultimate Jiu Jitsu |
| Michael Kavvalos | Grey | TEAM FALZON |
| Michael Kenna | Blue | Besnek Jiu Jitsu |
| Michael Kennedy | Unknown belt | SGC MMA |
| Michael Khoury | White | Gamebred Academy |
| Michael Kirby-Wilson | Blue | SJJA Team |
| Michael Kitney | Grey | LEGACY |
| Michael Kneller | Blue | Australian Elite Team |
| Michael Lapardin | Blue | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Michael Larcinese | White | Team Perosh MMA |
| Michael Lee | Brown | One Purpose BJJ |
| Michael Lee | White | Team Perosh MMA |
| Michael Leonard | White | Brothers Brazilian Jiu Jitsu |
| Michael Lias | White | Australian Elite Team |
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