People who have competed at Australian events. Australia only, for now.
| Sebastian Munoz | White | Ultimate Jiu Jitsu |
| Sebastian Murray | Grey | Gracie Barra Tamworth (AU) |
| Sebastian Nucho | Grey | Team Perosh MMA |
| Sebastian Ocaranza | White | Sydney West Martial Arts |
| Sebastian Paez | White | SHUGYO JIU JITSU |
| Sebastian Parraga | Grey | Gracie Barra Burleigh Heads |
| Sebastian Pentreath | Unknown belt | Team Lead |
| Sebastian Poznic | Grey | Gracie Barra Burleigh Heads |
| Sebastian Rees | Grey | Carlson Gracie Melbourne |
| Sebastian Russell | Unknown belt | Rhino mma |
| Sebastian Schubert | Unknown belt | M16/Beachside Jiu-Jitsu |
| Sebastian Serracino | Blue | Australian Elite Team |
| Sebastian Sharma | Blue | Gracie Barra Edgeworth |
| Sebastian Smith | Grey | Garra Brazilian Jiu Jitsu Australia |
| Sebastian Stewart | White | Gracie Barra Central Coast |
| SEBASTIAN STOVE | Unknown belt | The Jiu-Jitsu Studio Darwin |
| Sebastian Summersby-Mitchell | Purple | Australian Elite Team |
| Sebastian Tama | Grey | High Rollers |
| Sebastian Tindale | White | Mach One |
Wave