People who have competed at Australian events. Australia only, for now.
| Derek Bartley | White | One Purpose BJJ |
| Derek Cheng | Blue | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Derek Downes | White | De Been 100% Jiu Jitsu |
| Derek Ngan | Blue | Carlson Gracie Team |
| Derek Quan | Blue | Kaizen Gym |
| Derek Wardrobe | White | Kings MMA |
| Deron Mai | Blue | Zero Point Gracie Jiu Jitsu |
| Des Hylton | Purple | Unity BJJ AUST |
| Deshawn Aw Chee | White | FrancisJiuJitsu |
| Desiree Riddell | White | Australian Elite Team |
| Desmond Burchell-Quirk | Blue | Australia ASBJJ |
| Desmond Webber | Unknown belt | Newcastle Mixed Martial Arts |
| Destin Pacanowski | Unknown belt | Virtue Brazilian Jiu-Jitsu Australia |
| Deuce Zayat | Grey | Fight World Australia |
| Deven Dongare | Grey | Kings Academy Australia |
| Deven Godse | White | Immersion MMA |
| Devendra Karve | Grey | Lismore Jiu Jitsu Team |
| Devlin Praeger | White | Absolute MMA |
| Devon Coetzee | Black | Arte Suave Brazilian Jiu Jitsu |
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