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.
| Nathan Pippett | Blue | SABJJ - Toyama Jiu Jitsu |
| Nathan Pollard | White | Higgins Submission Fighting |
| Nathan Price | White | The Ring Gym Muay Thai |
| Nathan Quattrone | White | Kumite Jiu Jitsu |
| Nathan Rebello | White | Kings Academy |
| Nathan Rheinberger | Black | Axis Jiu-Jitsu Academy Australia |
| Nathan Riley | White | Cia Paulista Australia |
| Nathan Robertson | Orange | Armour Brazilian Jiujitsu |
| Nathan Roughead | Unknown belt | 88 Grappling Club |
| Nathan Ruzeu | Blue | Australian Elite Team |
| Nathan Sampson | White | SPECTRUM JIU-JITSU |
| Nathan Saunders | Blue | SOUTHSIDE BRAZILIAN JIU-JITSU OFFICIAL |
| Nathan Short | White | Ako Martial Arts |
| Nathan Smith | Blue | Empire Martial Arts |
| Nathan Sollmer | White | De Been 100% Jiu Jitsu |
| Nathan Sorrentino | Purple | High Rollers |
| Nathan Spaan | Purple | South Coast BJJ |
| Nathan Sweeney | White | SVZ Jiu-jitsu |
| Nathan Tanti | Blue | Shape Jiu Jitsu |
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