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 Borg | Blue | Will Machado - Comp Team |
| Michael Bourke | White | Tactical BJJ Team Australia |
| Michael Brady | Blue | Gracie Barra Mount Lawley |
| Michael Brearley | White | BONDI JIU JITSU ACADEMY |
| Michael Breen | Purple | LEGACY |
| Michael Broer | Blue | Garra Brazilian Jiu Jitsu Australia |
| Michael Brown | White | Ground Control BJJ Academy |
| Michael Brownlow | Unknown belt | Glory Gym Kickboxing |
| Michael Bruce | Brown | Will Machado - Comp Team |
| Michael Bruzzese | Purple | DKMMA |
| Michael Bui | White | PMA Mixed Martial Arts |
| Michael Bunston | White | Eagle Martial Arts |
| Michael Butler | White | Iconic Jiu Jitsu |
| Michael Callaghan | White | Ground Control BJJ Academy |
| Michael Cap | Purple | Cia Paulista Australia |
| Michael Carpay-Hill | Grey | Bayside BJJ |
| Michael Carroll | Purple | SJJA Team |
| Michael Cartmill | Black | Lemos Brazilian Jiu-Jitsu Academy |
| Michael Castellano | White | True Grit Jiu Jitsu |
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