People who have competed at Australian events. Australia only, for now.
| Igor Tagawa Di Donato | Blue | Fight Club Jiu-Jitsu team |
| Ihi Harris | White | A-Team Jiu Jitsu |
| Ihsan Parappil | Purple | Sydney Wrestling Academy |
| Ike Norman | White | Galeb BJJ |
| Iliana Limacher | Grey | Nova Arte Brazilian Jiu Jitsu |
| Iliana Tama | White | High Rollers |
| Ilias Vasiliou | White | Open Sparring |
| Ilijana Trautsch | Grey | LEGACY |
| Iliya Toghai | White | Relentless Grappling Academy |
| Iliyaas Idowu-Thomas | White | Sydney Wrestling Academy |
| Imogen Wood | Grey | Carlson Gracie Gold Coast |
| Ina Oishi | White | SJJA Robina |
| Inaia Hoggart | White | SOUTHPAC STRENGTH |
| Inaya Chung | Grey | De Been 100% Jiu Jitsu |
| Indi Poulos | Blue | TA | BYRON BAY |
| Indi Tarrant | White | Waves Martial Arts Comp Team |
| India Barton | White | SJJA Team |
| India Tunnicliffe | Grey | SJJA Wynnum |
| Indiah Hobson | Grey | Lemos Brazilian Jiu-Jitsu Academy |
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