People who have competed at Australian Brazilian jiu-jitsu and grappling events. Australia only, for now.
| Matthew Baker | Blue | Base Training Centre |
| Matthew Bandy | White | Infinite mma |
| Matthew Beazley | White | ONYX Brazilian Jiu Jitsu |
| Matthew Bell | Blue | LEGACY |
| Matthew Benetti | White | Garra Brazilian Jiu Jitsu Australia |
| 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 |
| Matthew Brennan | Blue | Besnek Jiu Jitsu |
| Matthew Brickley | Blue | Renegade Grappling |
| Matthew Bristow | White | Kaizen Lab Jiujitsu |
| Matthew Brook | Grey | SJJA Team |
| Matthew Butcher | White | Galeb BJJ |
| Matthew Cameron | White | Southside Training Centre |
| Matthew Camm | Purple | Australian Elite Team |
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