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.
| Issa Issa | Unknown belt | Sydney Wrestling Academy |
| Issa Khamsi | Grey | Grappling Bros / GFTeam |
| Issa Korda-Mehkari | White | Ironfist gym |
| Issa Tamerji | White | Bankstown Martial Arts |
| Issa Taoubi | Grey | Gracie Barra Kingsgrove |
| Issac An | White | HILLS GRAPPLING CLUB |
| Issac Eather | Grey | Ultimate Jiu Jitsu |
| Issac Fardous | Grey | Gracie Barra Carlton |
| Issachar Lanumata | White | Swan Hill Jiu-Jitsu |
| Issy Conroy-de Voss | Blue | Temple Jiu Jitsu |
| Issy Richmond | Purple | Element Australia |
| Italo Gules | Black | Lasco Jiu Jitsu Gold Coast |
| Italo Leardini | White | Braddah Jiu Jitsu |
| Itamar Zeitouni | Grey | TFC - The Fight Centre |
| Itay Bar-Giora | Blue | Mat Masters Academy |
| ITIVAI OLIVIER MANAHORA | Yellow | Tahitian Martial Spirit |
| Ivan DJamirze | Grey | MAPUCHE BJJ ACADEMY |
| Ivan Donlic | Black | DOMINANCE |
| Ivan Dragostinov | Blue | Gracie Barra Hunter Valley |
Matstories