Poids Moyens Hommes
 | Rodolfo Vieira | 6-4-0 UFC | #747 |  |
 | Rodrigo Ruas | 0-1-0 UFC | #5878 | |
 | Roger Gracie | 0-1-0 UFC | #4065 | |
 | Roger Narvaez | 1-2-0 UFC | #3561 |  |
 | Roman Dolidze | 9-4-0 UFC | #247 |  |
 | Roman Kopylov | 6-5-0 UFC | #561 |  |
 | Romero Cotton | 1-2-0 REC | #4824 | |
 | Ron Stallings | 1-2-0 UFC | #3553 | |
 | Ronaldo Souza | 9-7-0 UFC | #885 | |
 | Rory Markham | 1-2-0 UFC | #3571 | |
 | Rory Singer | 2-2-0 UFC | #3690 | |
 | Royce Alger | 0-2-0 UFC | #4397 | |
 | Rudyard Moncayo | 0-1-0 UFC | #6114 | |
 | Ruslan Shamilov | 3-0-0 REC | #396 | |
 | Ryan Gandra | 1-0-0 UFC | #261 | |
 | Ryan Janes | 2-2-0 UFC | #3449 |  |
 | Ryan Jensen | 2-6-0 UFC | #2808 | |
 | Ryan Loder | 1-2-0 UFC | #2099 | |
 | Sabah Homasi | 0-3-0 UFC | #3414 | |
 | Samir Kadi | 0-1-0 REC | #5088 |  |