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.
| Harry Martin |
| Grey |
| Moraes BJJ |
| Harry Maxwell | Unknown belt | DNA MMA Academy |
| Harry Maybury | Grey | 10th Planet Jiu Jitsu Australia |
| Harry McDonald | Blue | Gracie Barra Bondi |
| Harry McDonald | White | DOMINANCE |
| Harry McIntyre | Unknown belt | AET Metamorphica |
| Harry McTernan | White | Port Stephens Brazilian JiuJitsu |
| Harry Melvin | White | Southside Training Centre |
| Harry Milazzo | Unknown belt | M16/Beachside Jiu-Jitsu |
| Harry Mills | White | DKMMA |
| Harry Morgan | White | ONDA JJ |
| Harry Morrall | Blue | Swan Hill Jiu-Jitsu |
| Harry Nicholls | White | De Been 100% Jiu Jitsu |
| Harry Odell | White | First Degree Jiu-Jitsu |
| Harry Oxley | White | Beyond Grappling Club |
| Harry Paterson | Unknown belt | Coringa Jiu-Jitsu |
| Harry Pavlidis | Brown | Grappling Education |
| Harry Peachey | Grey | Grappling Bros / GFTeam |
| Harry Peachey | Grey | Grappling Bros / GFTeam |
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