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.
| Michael Sekulic | White | Gracie Barra Wetherill Park |
| Michael Selems | Blue | GRACIE BARRA CARINGBAH |
| Michael Selmeczi | Blue | Absolute MMA |
| Michael Shamayil | White | Gracie Smeaton Grange |
| Michael Shim | Yellow | Gracie Barra Castle Hill |
| Michael Silby | Unknown belt | 360 Martial Arts and Fitness |
| Michael Silvio | White | Team Perosh MMA |
| Michael Singh | Grey | High Rollers |
| Michael Slattery | White | Lemos Brazilian Jiu-Jitsu Academy |
| Michael Stafford | Blue | Absolute MMA |
| Michael Steadman | Blue | Elements Grappling Academy |
| Michael Steiger | White | ACE Martial Arts |
| Michael Stevens | Blue | Galeb BJJ |
| Michael Stewart | White | GARAGE JIU-JITSU |
| Michael Suter | Grey | CornerStones Grappling Academy |
| Michael Sychevskyi | White | Gracie Elite Australia |
| Michael Takach | Unknown belt | CAZA BJJ Australia |
| Michael Tandog | Grey | Gracie Smeaton Grange |
| Michael Taoum | Unknown belt | Extreme Mixed Martial Arts Chadstone |
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