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.
| Lachlan Mayes | Blue | Will Machado - Comp Team |
| Lachlan McCullagh | Blue | Broz Martial Arts |
| Lachlan McLean | White | Lemos Brazilian Jiu-Jitsu Academy |
| Lachlan McMullen | Purple | G-Force Mixed Martial Arts |
| Lachlan McRae | White | SJJA Hornsby |
| Lachlan McStay | Grey | Lemos Brazilian Jiu-Jitsu Academy |
| Lachlan Mendoza | Blue | Mildura Martial Arts |
| Lachlan Merkel | Purple | Rob Williams BJJ |
| Lachlan Mitchell | White | Coringa Jiu-Jitsu |
| Lachlan Moncrieff | Grey | Apex Jiu Jitsu Academy |
| Lachlan Morris | White | Gracie Barra Shellharbour |
| Lachlan Moulton | Blue | Roll Club |
| Lachlan Murphy | Grey | Gracie Barra Mona Vale |
| Lachlan Neil Duckworth | Blue | Arte Suave Brazilian Jiu Jitsu |
| Lachlan Nelson | Grey | Iconic Jiu Jitsu |
| Lachlan Nezar | White | Clube de Lutas |
| Lachlan Oakley | Grey | Point Break Brazilian Jiu Jitsu |
| Lachlan Ogden | White | DeBeen Jiu Jitsu St Kilda |
| Lachlan Parkes | Yellow | Broz Martial Arts |
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