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.
| Mason Bastock | Grey | GRACIE BARRA NEWCASTLE CITY |
| Mason Baynes | Grey | Lemos Brazilian Jiu-Jitsu Academy |
| Mason Baynes | Grey | Lemos Brazilian Jiu-Jitsu Academy |
| Mason Bowen | Grey | Wrestling Queensland Inc. |
| Mason Burford | White | Ace Academy |
| Mason Burgos | Yellow | XFC - Australian Top Team |
| Mason Burton | Grey | Gracie Barra Broadbeach |
| Mason Campbell | Grey | SPACE BJJ |
| Mason Caux | White | Temple Jiu Jitsu |
| Mason Chamings | Grey | Full Tilt Fight and Fitness |
| Mason Christmas-Wills | Blue | Life BJJ |
| Mason Cornish | White | Complete Control Martial Arts |
| Mason Cousins | Unknown belt | Sorell Martial Arts Academy |
| Mason Cristescu | Yellow | Vantage Jiu Jitsu |
| Mason De La Maza | White | Grappling Bros / GFTeam |
| Mason Doufexis | Grey | Absolute MMA |
| Mason Duffy | Grey | Evolve Brazilian Jiu Jitsu |
| Mason Dyer | Blue | Gracie Barra Mount Lawley |
| Mason Eadie | White | T Jiu Jitsu |
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