People who have competed at Australian Brazilian jiu-jitsu and grappling events. Australia only, for now.
| Alexander Rankin | White | DOMINANCE |
| Alexander Reeves | Blue | Submission Factory Jiu Jitsu |
| Alexander Reyes | Grey | Grappling Bros / GFTeam |
| Alexander Robinson | Yellow | Galeb BJJ |
| Alexander Robson-Garth | Blue | DOMINANCE |
| Alexander Rosado | Grey | Base Training Centre |
| Alexander Sanchez | Blue | SJJA Team |
| Alexander Schledewitz | Purple | ALLIANCE JIU JITSU BRISBANE |
| Alexander Shellard | White | Jerrabomberra Brazilian jiu jitsu |
| ALEXANDER SHNOUDI | Grey | HILLS GRAPPLING CLUB |
| Alexander Skeyhill | White | Toa BJJ |
| Alexander Soh | Blue | Onya Martial Arts |
| Alexander Solntsev | Grey | Gracie Barra Hornsby |
| Alexander Strogusz | Unknown belt | Gracie Barra Townsville |
| Alexander Stuckey | Grey | Gracie Barra Gladesville |
| Alexander Sullivan | White | Carlson Gracie Gold Coast |
| Alexander Takken | Unknown belt | Lemos Brazilian Jiu-Jitsu Academy |
| Alexander Tay | Purple | Immersion MMA |
| Alexander Tibbetts | White | Brothers Brazilian Jiu Jitsu |
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