People who have competed at Australian events. Australia only, for now.
| Oliver Hartnack | White | Coringa Jiu-Jitsu |
| Oliver Hewson | White | Forza Jiu Jitsu |
| Oliver Hooper | Grey | MVMA Macleay Valley Martial Arts |
| Oliver Hubert | White | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Oliver Jones | Grey | SJJA Team |
| Oliver Kerwin | Grey | SJJA Bulimba |
| Oliver Korthout | Purple | Academy 411 |
| Oliver Larsen | White | Fight Club Jiu-Jitsu team |
| Oliver Leader | Grey | Gracie Barra Hunter Valley |
| Oliver McCausland | Orange | Portal Brazilian Jiu Jitsu |
| Oliver McCosker | White | Honour Brazilian Jiu Jitsu |
| Oliver Mochrie | Grey | Sanuk Brazilian Jiu Jitsu |
| Oliver Molloy | Yellow | Mota-Vation Brazilian Jiu Jitsu |
| Oliver Munro | Unknown belt | Waves Martial Arts |
| Oliver O’Reilly | Grey | SJJA Palm Beach |
| Oliver Pini | White | Whitsunday Martial Arts |
| Oliver Pook | White | SJJA Team |
| Oliver Price | Orange | Lake Macquarie Jiu-Jitsu |
| Oliver Ross | Grey | 10th Planet Jiu Jitsu Australia |
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