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.
| Lucas Dempsey | White | Empire Martial Arts |
| Lucas Diao | Grey | MTC MMA |
| Lucas Do Chan | Grey | Gracie Barra St Peters Australia |
| Lucas Domek | Grey | SJJA Team |
| Lucas Duarte | Purple | Gracie Barra Kingsgrove |
| Lucas Durkovsky | Unknown belt | DNA MMA |
| Lucas Enriquez-Nau | Unknown belt | Will Machado - Comp Team |
| Lucas Estefano | Black | SJJA Team |
| Lucas Eulalio | Blue | Fight Club Jiu-Jitsu team |
| Lucas Figueira | Brown | Grappling Bros / GFTeam |
| Lucas Gabrielle Alabastro | Purple | DAREDEVIL JIU JITSU |
| Lucas Gainsford | White | Gracie Elite Australia |
| Lucas Gallagher | Yellow | Gracie Barra Surfers Paradise |
| Lucas Gallagher SNR | White | Gracie Barra Surfers Paradise |
| Lucas Garne | White | Grappling Bros / GFTeam |
| Lucas Gasparre | White | Gamebred Academy |
| Lucas Giannopoulos | Blue | Vantage Jiu Jitsu |
| Lucas Godby | White | Poundit |
| Lucas Goddon | White | Imperium MMA |
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