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.
| Ida Larrescy | White | De Been 100% Jiu Jitsu |
| Idelson Mabjaia | Black | Marcelino Freitas BJJ |
| Idinei Teixeira Junior | Black | Grappling Bros / GFTeam |
| Idrece Hamdan | White | Wolves Den Perth |
| Idris Aygun | Grey | Australian Submission Academy |
| Idris Kerde | White | Sydney Wrestling Academy |
| IDRIS MUHAEMIN | Brown | Garra Brazilian Jiu Jitsu Australia |
| Idris Rifai | White | Sydney Wrestling Academy |
| Ieremia Ropati | Grey | Gracie Barra Toronto Australia |
| Iggy Strybosch | White | Cia Paulista Australia |
| Ignacy Borowiec | White | WOLFLIFE ACADEMY |
| Igor Conceicio Santos | Grey | Coringa Jiu-Jitsu |
| Igor Dubik | Unknown belt | Lion's Den Academy |
| Igor Gomes Gurgel | Purple | UFC Gym Wetherill Park |
| Igor Queiroga | White | Gracie Barra Castle Hill |
| Igor Ruzic | Brown | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Igor Tagawa Di Donato | Blue | Fight Club Jiu-Jitsu team |
| Igor Tassara Jordao | White | ORIGEM JIU-JITSU |
| Ihi Harris | White | A-Team Jiu Jitsu |
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