Sorted alphabetically by last name · 2711 fighters
| Name | Nickname | |
|---|---|---|
| RD | Rayanne dos Santos | |
| RA | Razak Al-Hassan | |
| RA | Reese Andy | "Riptide" |
| RT | Regina Tarin | "Kill Bill" |
| RV | Reginaldo Vieira | |
| RT | Rei Tsuruya | |
| RD | Reinier de Ridder | "RdR" |
| RP | Remco Pardoel | "Grizzly" |
| RB | Renan Barao | "The Baron" |
| RM | Renato Moicano |