People who have competed at Australian Brazilian jiu-jitsu and grappling events. Australia only, for now.
| Roman Forno | Unknown belt | The Jiu-Jitsu Studio Darwin |
| Roman Hannoun | White | Gracie Barra Carlton |
| Roman Houshyar | White | Global Martial Arts AU |
| Roman Khattar | Grey | High Rollers |
| Roman Kristek | Blue | ORIGEM JIU-JITSU |
| Roman Lebret | Grey | Australian Elite Team |
| Roman Leveni | White | Gracie Barra Edgeworth |
| Roman McCammon | White | Fight Club Jiu-Jitsu team |
| Roman Naoupu- Lemalu | Grey | Australian Elite Team |
| Roman Nosa | Grey | Carlson Gracie Gold Coast |
| Roman Oprescu | Grey | Gracie Barra Bondi |
| Roman Pierce | White | ONE Jiu-Jitsu Academy |
| Roman Profili | Grey | Lake Macquarie Jiu-Jitsu |
| Roman Purdue | White | Gracie Elite Australia |
| Roman Rattan | Grey | Alpha Jiu Jitsu Academy / Jean Jacques Machado Sydney |
| Roman Skournik | White | Revolution Martial Arts Australia |
| Roman Smith | Grey | One Purpose BJJ |
| Roman Smoliakov | White | TEAM FALZON |
| Roman Stevanovic | Grey | Gracie Balmain Jiu Jitsu |
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