Poids Mi-Moyens Hommes
 | Rich Attonito | 3-2-0 UFC | #3246 |  |
 | Richard Walsh | 2-3-0, 1NC UFC | #3364 |  |
 | Rick Story | 12-7-0 UFC | #436 | |
 | Ricky Rainey | 0-2-0 UFC | #5675 | |
 | Rinat Fakhretdinov | 6-0-1 UFC | #858 |  |
 | Roan Carneiro | 4-5-0 UFC | #2695 |  |
 | Rob Kimmons | 3-4-0 UFC | #3057 | |
 | Robbie Lawler | 15-10-0 UFC | #149 | |
 | Rodrigo Sezinando | 0-1-0 UFC | #3234 | |
 | Roger Huerta | 6-2-0 UFC | #1937 | |
 | Roger Zapata | 0-1-0 UFC | #6605 | |
 | Romie Aram | 0-1-0 UFC | #5825 |  |
 | Ronald Jhun | 0-1-0 UFC | #7033 | |
 | Rory MacDonald | 9-4-0 UFC | #538 |  |
 | Ross Pointon | 0-2-0 UFC | #4730 |  |
 | Rostem Akman | 0-2-0 UFC | #3636 |  |
 | Rousimar Palhares | 8-4-0 UFC | #1123 | |
 | Ryan Laflare | 7-3-0 UFC | #1731 | |
 | Ryan Madigan | 0-1-0 UFC | #5472 | |
 | Ryan McGillivray | 0-1-0 UFC | #5743 | |