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.
| Isaac Raik-Allen | White | Australian Elite Team |
| Isaac Rice | Blue | Marcelino Freitas BJJ |
| Isaac Richards | White | Gracie Barra Edgeworth |
| Isaac Roache-Flett | Grey | GRACIE BARRA CARINGBAH |
| Isaac Saville | Unknown belt | Evolution Brazilian Jiu Jitsu Melbourne |
| Isaac Shailes | Grey | Casey Elite Martial Arts |
| Isaac Smith | White | Base Training Centre |
| Isaac Sooveere | White | Broz Martial Arts |
| Isaac Storr | Blue | Fight Club Gym |
| Isaac Svenson | Grey | Base Training Centre |
| Isaac Tang | Grey | Gracie Barra Blacktown City |
| Isaac Toledo | Grey | Legends Brazilian Jiu Jitsu Australia |
| Isaac Toloa | White | Sydney Wrestling Academy |
| Isaac Tonks | White | Gracie Elite Australia |
| Isaac Wessell | Grey | Gracie Barra Kingsgrove |
| Isaak Cruze Kratina | Yellow | Gracie Elite Australia |
| Isabel Fan | Yellow | Journey Jiu-Jitsuㅤ |
| Isabel Fitzpatrick | Blue | LEGACY |
| Isabel Freitas | Grey | Marcelino Freitas BJJ |
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