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.
| Ethan Jusuf | White | Gracie Botany |
| Ethan Kirby | White | INFINITE MMA |
| Ethan Kondeh | White | Live Well Martial Arts |
| Ethan La Trobe | White | Balance BJJ |
| Ethan Lacey | White | Behan Jiu Jitsu |
| Ethan Ladurner | White | Kings Academy Australia |
| Ethan Lam | Unknown belt | One Purpose BJJ |
| Ethan Lambert | White | Powercore MMA |
| Ethan Lee | Grey | Gracie Barra Hornsby |
| Ethan Lee Wilberforce | Grey | DOMINANCE |
| Ethan Lennane | White | Singos Brazilian jiu jitsu |
| Ethan Leslie | White | Alpine grappling & MMA |
| Ethan Lock | White | SJJA Team |
| Ethan Louw | Grey | Gracie Barra Hunter Valley |
| Ethan Lysle | White | SJJA Team |
| Ethan Magno | Grey | One Purpose BJJ |
| Ethan Mallaby | White | LEGACY |
| Ethan Martin | Grey | MYBJJ TEAM |
| Ethan Martin | Yellow | MYBJJ TEAM |
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