Sorted alphabetically by last name · 2707 fighters
| Name | Nickname | |
|---|---|---|
| RN | Roger Narvaez | "Silverback" |
| RZ | Roger Zapata | "Viva" |
| RB | Rogerio Bontorin | |
| RN | Rogerio Nogueira | "Minotouro" |
| RD | Roland Delorme | |
| RP | Roland Payne | |
| RB | Rolando Bedoya | "The Machine" |
| RD | Rolando Delgado | "Roli" |
| RD | Rolando Dy | "Dy Incredible" |
| RS | Roldan Sangcha'an | "The Executioner" |