People who have competed at Australian Brazilian jiu-jitsu and grappling events. Australia only, for now.
| Sidney McDonald | White | Integrated Combat Centre - Peakhurst |
| Sidney Mezo | Grey | Limitless MMA |
| Sidney Thompson | White | Roar MMA Bibra Lake |
| Sidra Al Dulaimi | Blue | Global Martial Arts AU |
| Sieannah Spencer | Yellow | Mildura Brazilian Jiu Jitsu |
| Siena Grant | Grey | SJJA Coolangatta |
| Siena Kennedy | White | GFTeam BC |
| Sienna Acosta | Grey | Gracie Barra Pymble |
| Sienna Aguilar | Purple | Axis Jiu-Jitsu Academy Australia |
| Sienna Andaloro | Blue | Global Martial Arts AU |
| Sienna Conneely | White | Behan Jiu Jitsu |
| Sienna Dubbels | Grey | LEGACY |
| Sienna Dunn | Grey | Gracie Barra Carlton |
| Sienna Fletcher | Unknown belt | Blue Mountains Jiu-Jitsu Academy |
| Sienna George | Yellow | Gracie Barra Surfers Paradise |
| Sienna Gray | Unknown belt | DCA MMA |
| Sienna Grylls | Blue | XFC - Australian Top Team |
| Sienna Hodges Hammond | Grey | A+BJJ ACADEMY |
| Sienna Hookasian | Orange | Gracie Barra West Ryde |
Wave