People who have competed at Australian events. Australia only, for now.
| Mason Christmas-Wills | Blue | Life BJJ |
| Mason Cornish | White | Complete Control Martial Arts |
| Mason De La Maza | White | Grappling Bros / GFTeam |
| Mason Doufexis | Grey | Absolute MMA |
| Mason Duffy | Yellow | Evolve Brazilian Jiu Jitsu |
| Mason Dyer | Blue | Gracie Barra Mount Lawley |
| Mason Eadie | White | T Jiu Jitsu |
| Mason Gallagher | White | DCA MMA |
| Mason Giacoppo | Grey | Mach One |
| Mason Giannetto | Grey | High Rollers |
| Mason Goldstein | White | Trilemma Grappling |
| Mason Gosselink | Unknown belt | The Agoge Brazilian Jiu-Jitsu |
| Mason Ho Tin Wong | White | LEGACY |
| Mason Holme | White | Behan Jiu Jitsu |
| Mason Ireland | Grey | Flux Jiu Jitsu |
| Mason Jenkinson | Grey | Gracie Barra Charlestown |
| Mason Jose | Unknown belt | Coastal BJJ Wynyard |
| Mason Kippen | White | Casey Elite Martial Arts |
| Mason Lloyd | Grey | Gracie Elite Australia |
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