People who have competed at Australian events. Australia only, for now.
| Bill Comley | White | Arruda BJJ |
| Bill Duong | White | Nakama BJJ |
| Bill Li | White | UFC Waikele |
| Bill Shadforth | White | Kemps MMA |
| Bill Tran | White | Cabra Kai Academy |
| Billal El-ahmad | White | Volkz Jiujitsu Academy |
| Billie Claxton | Grey | Ground Control BJJ Academy |
| Billie Escopete | Grey | Base Training Centre |
| Billie George | White | DOMINANCE |
| Billie Hamilton | Unknown belt | Full Metal Jiu Jitsu / ATOS Burleigh Heads |
| Billie Keegan | Yellow | Australian Elite Team |
| Billie Morison | Grey | Casey Elite Martial Arts |
| Billie O'Sullivan | Unknown belt | Kings Academy Australia |
| Billie Pogonoski | Grey | Gracie Barra Charlestown |
| Billie Smith | Grey | Grappling Bros / GFTeam |
| Billie-Rose Mobbs | Grey | Gracie Sutherland Shire (formerly Gracie Miranda) |
| Billy (William) Mitchell | White | Gracie Barra Capalaba |
| Billy Allison | White | Elite MMA & BJJ - Brisbane |
| Billy Atherton | White | TRINITY Australia |
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