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.
| Jacob Popal | Blue | Gracie Barra Mount Lawley |
| Jacob Potkonyak | Purple | Clube de Lutas |
| Jacob Quraishi | Grey | Legends Brazilian Jiu Jitsu Australia |
| Jacob Ramos | Blue | Kyu Taekwondo |
| Jacob Richardson | White | Hobart martial arts academy |
| Jacob Roger Neris Baker | Grey | Will Machado - Comp Team |
| Jacob Romano | White | Westside BJJ Adelaide |
| Jacob Roorda | Yellow | Academy 411 |
| Jacob Salloum | Grey | Complete Mixed Martial Arts |
| Jacob Saputra | Grey | Gracie Botany |
| Jacob Shaw | Grey | De Been 100% Jiu Jitsu |
| Jacob Shirley | White | Gracie Barra Blacktown City |
| Jacob Steer | White | Complete Control Martial Arts |
| Jacob Suster | White | Control bjj |
| Jacob Thomas | White | SBG Australia |
| Jacob Torrente | Grey | Kings Academy Australia |
| Jacob Tseng | Grey | Academy Jiu Jitsu |
| Jacob Valetich | Unknown belt | HTC |
| Jacob Walls | White | TFC - The Fight Centre |
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