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.
| Siraj Soufi | Black | Absolute MMA |
| Sirius Sedhom | Grey | IFA Martial Arts |
| Sisi Lim | Blue | Phoenix BJJ NZ |
| SiSi Travers | Unknown belt | De Been 100% Jiu Jitsu |
| Sitivi Pulepule | White | Galeb BJJ |
| SJ Little-Link | Grey | Base Training Centre |
| Sjouke Eyre | White | Eltham Martial Arts Academy |
| Skarlett Quera | Grey | Gracie Barra Edgeworth |
| Skarlotte Aviu | Grey | Complete Mixed Martial Arts |
| Sketch Walters | Grey | Ground Control BJJ Academy |
| Sky Flavius-Calderone | Grey | LEGACY |
| Skye Bryant | Purple | Parramatta Jiu Jitsu Academy |
| Skye Cabrera | Grey | SJJA Team |
| Skye Cranston | White | Fight World Australia |
| Skye Jenner | Purple | Element Australia |
| Skye Juliet KLAUSBERGER | Grey | Coringa Jiu-Jitsu |
| Skye Long | Grey | Heartbreak Conditioning |
| Skye Milton | White | De Been 100% Jiu Jitsu |
| Skye Pagnozzi | Blue | Gracie Barra Pymble |
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