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 Colgin | Unknown belt | SPACE BJJ |
| Lachlan Connerton | Grey | SJJA Team |
| Lachlan Crosbie | White | Powercore MMA |
| Lachlan Cross | Grey | Gracie Elite Australia |
| Lachlan Cunningham | White | Element Australia |
| Lachlan Dagwell | White | EQUIPE MESTRE WILSON JIU-JITSU AUSTRALIA |
| Lachlan Davies | Blue | Grappling Technics |
| Lachlan Dawson | White | Stewie's House Of BJJ |
| Lachlan Day | Grey | Pacheco Jiu Jitsu |
| Lachlan Denneny | White | Mallorca BJJ Palma Central |
| Lachlan Dougherty | White | Eltham Martial Arts Academy |
| Lachlan Downs | Blue | Galeb BJJ |
| Lachlan Duckworth | Blue | Arte Suave Brazilian Jiu Jitsu |
| Lachlan Dunstone | White | Marcelino Freitas BJJ |
| Lachlan Edwards | Blue | Arte Suave Brazilian Jiu Jitsu |
| Lachlan Fallon | White | Grappling Education |
| Lachlan Freeman | White | Ako Martial Arts |
| Lachlan Gardner | White | Gracie Elite Australia |
| Lachlan Gould | Unknown belt | Bushido Flow MMA |
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