People who have competed at Australian Brazilian jiu-jitsu and grappling events. Australia only, for now.
| Don Bizilis | Purple | Armour Brazilian Jiujitsu |
| Don Kirk | Unknown belt | Rhino Mixed Martial Arts |
| Donald Douglass | Grey | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Donald Harris | White | Immersion MMA |
| Dong Sik Kim | Blue | Revolution Martial Arts Australia |
| Dongeun Seo | Blue | Australian Elite Team |
| DONGGYU LEE | Black | Will Machado - Comp Team |
| Donn Matthew Malate | Blue | Absolute MMA |
| Donnacha (Denis) O'Coilean | White | Gracie Barra Capalaba |
| Donnie Harwood | White | GARAGE JIU-JITSU |
| Donovan Dawkins | Grey | Trilemma Grappling |
| Donovan Eyles | Blue | Iconic Jiu Jitsu |
| Donovan Mitchelson | White | Fight Club Jiu-Jitsu team |
| Dorian Doherty | Yellow | Midcoast Jiu Jitsu Academy |
| Dorian Ionescu | White | Kemps MMA |
| Dorian Munier | White | Essence Brazilian Jiu Jitsu |
| Dorothy Broadfoot | White | Integrated Combat Centre - Peakhurst |
| Dorothy Emerson | Unknown belt | FLOKI JIU JITSU |
| Douglas De Moraes | White | Lasco Jiu Jitsu Gold Coast |
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