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.
| Matthew Ayoub | White | Team Perosh MMA |
| Matthew Baker | Blue | Base Training Centre |
| Matthew Balshaw | Blue | TA | BYRON BAY |
| Matthew Bandy | White | Infinite mma |
| Matthew Banham | Brown | Combat Arts Institute of Australia |
| Matthew Beazley | White | ONYX Brazilian Jiu Jitsu |
| Matthew Bell | Blue | LEGACY |
| Matthew Benetti | White | Garra Brazilian Jiu Jitsu Australia |
| Matthew Bezett | White | Live Well Martial Arts |
| Matthew Biddiscombe | White | BRAVOS BJJ |
| Matthew Blackler | Unknown belt | VT1 Martial Arts Academy |
| Matthew Blankley | Blue | Australian Elite Team |
| Matthew Bond | White | De Been 100% Jiu Jitsu |
| Matthew Booker | White | Pacheco Jiu Jitsu |
| Matthew Boughtwood | Black | De Been 100% Jiu Jitsu |
| Matthew Bowen | Purple | Dark Carnival |
| Matthew Boxall | White | Chave De Ouro |
| Matthew Boyd | White | Mackay MMA |
| Matthew Brazier | White | Lemos Brazilian Jiu-Jitsu Academy |
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