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.
| David Withington | White | ONYX Brazilian Jiu Jitsu |
| David Woo | White | Gracie Barra Wollongong |
| David Wood | Blue | MYBJJ TEAM |
| David Woodbury | Blue | GRACIE HUMAITA AUSTRALIA |
| David Young | White | Gracie Barra Hornsby |
| David Zelinski | Grey | GRACIE BARRA CARINGBAH |
| David Zimmerman | Black | De Been 100% Jiu Jitsu |
| Davide Colella | White | Taijutsu |
| Davide Di Gennaro | Blue | Australian Elite Team |
| Davide Gaglioti | White | Martial Spirit |
| Davide Maria Vespasiani | White | Carlson Gracie Team |
| Davide Zorzutti | Blue | DKMMA |
| Davie McEwan | Blue | Will Machado - Comp Team |
| Davy Lau | White | Elite Martial Arts & Fitness Centre |
| Davydd Colvin | White | Fight Club Jiu-Jitsu team |
| Dawood Gencmen | White | CompleteMmaCoolaroo |
| Dawoud Mazaydeh | Grey | Progression MMA |
| Dawud El Kheir | Grey | Sydney Wrestling Academy |
| Dawud Hussein | Yellow | Australian Elite Team |
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