Poids Moyens Hommes
 | Roger Narvaez | 1-2-0 UFC | #3811 |  |
 | Roggy Lawson | 1-0-0 REC | #7822 |  |
 | Roman Dolidze | 9-5-0 UFC | #412 |  |
 | Roman Kopylov | 7-5-0 UFC | #356 |  |
 | Romero Cotton | 1-2-0 REC | #5434 | |
 | Romulo Oliveira | #8053 |  | |
 | Ron Stallings | 1-2-0 UFC | #3882 | |
 | Ronaldo Souza | 9-7-0 UFC | #964 | |
 | Rory Markham | 1-2-0 UFC | #3875 | |
 | Rory Singer | 2-2-0 UFC | #3995 | |
 | Royce Alger | 0-2-0 UFC | #4854 | |
 | Rudyard Moncayo | 0-1-0 UFC | #6813 | |
 | Ruslan Shamilov | 4-0-0 REC | #275 | |
 | Ryan Gandra | 2-0-0 UFC | #775 | |
 | Ryan Janes | 2-2-0 UFC | #3769 |  |
 | Ryan Jensen | 2-6-0 UFC | #3127 | |
 | Ryan Loder | 1-2-0 UFC | #2479 | |
 | Sabah Homasi | 0-3-0 UFC | #3630 | |
 | Samir Kadi | 0-1-0 REC | #5317 | |
 | Samir Zaidi | 0-1-0 REC | #6820 | |