People who have competed at Australian events. Australia only, for now.
| Issac Fardous | Grey | Gracie Barra Carlton |
| Issy Conroy-de Voss | Blue | Temple Jiu Jitsu |
| Italo Gules | Black | Lasco Jiu Jitsu Gold Coast |
| Itamar Zeitouni | Grey | TFC - The Fight Centre |
| ITIVAI OLIVIER MANAHORA | Yellow | Tahitian Martial Spirit |
| Ivan DJamirze | Grey | MAPUCHE BJJ ACADEMY |
| Ivan Donlic | Black | DOMINANCE |
| Ivan Heenan | Blue | The MatLab Grappling Academy · Ascend Jiu Jitsu Mount Gambier |
| Ivan Kolimackovski | Blue | Boxingworks Ju-jitsu |
| Ivan Mikheychik | Blue | Waves Martial Arts Comp Team · Waves Martial Arts |
| Ivens Ventura | White | Grappling Bros / GFTeam |
| Ivo Pedra | Blue | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Ivy Atkinson | Grey | Gracie Barra Orange |
| Ivy Cox | Grey | Sanuk Brazilian Jiu Jitsu |
| Ivy Domino | Grey | Roar MMA Bibra Lake |
| Ivy Galea | Grey | Galeb BJJ |
| Ivy Lee | White | The Grappling Lab Prestons |
| Ivy Tebbutt | Grey | Chess Club Jiu-Jitsu |
| Iylah Lowndes | White | Evolve Brazilian Jiu Jitsu |
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