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.
| Om Segal | Grey | Point Break Brazilian Jiu Jitsu |
| Omandi Gayansa Kumari Rangama | Grey | De Been 100% Jiu Jitsu |
| Omar Abdulkhalek | Yellow | GRACIE HUMAITA AUSTRALIA |
| Omar Abood | Grey | DOMINANCE |
| Omar Aldulaimi | White | Australian Top Team |
| Omar Annous | Blue | Integrated Combat Centre - Peakhurst |
| Omar Ardati | Unknown belt | PMA Mixed Martial Arts |
| Omar Bani Mohammad | Blue | Grappling Bros / GFTeam |
| Omar Dib | White | High Rollers |
| Omar Elhami | Purple | Sydney Wrestling Academy |
| Omar Jalali | Grey | SALTWATER BJJ |
| Omar Jalali | White | Saltwater Jiu-Jitsu |
| Omar Kabbara | White | Apex Brazilian Jiu Jitsu |
| Omar Kaddour | Yellow | Global Martial Arts AU |
| Omar Khodr | Grey | Volkz Jiujitsu Academy |
| Omar Krasniqi | Blue | Arruda BJJ |
| Omar Mallah | Grey | Sydney Wrestling Academy |
| Omar Moussa | White | Bankstown Martial Arts |
| Omar Nicolò El Khannossi | White | EQUIPE MESTRE WILSON JIU-JITSU AUSTRALIA |
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