Poids Mi-Moyens Hommes
 | Rhys McKee | 1-5-0 UFC | #913 |  |
 | Ricardo Almeida | 6-5-0 UFC | #2123 |  |
 | Ricardo Funch | 0-4-0 UFC | #4034 | |
 | Rich Attonito | 3-2-0 UFC | #3271 | |
 | Richard Walsh | 2-3-0, 1NC UFC | #3435 |  |
 | Rick Story | 12-7-0 UFC | #444 | |
 | Ricky Rainey | 0-2-0 UFC | #5655 | |
 | Rinat Fakhretdinov | 6-0-1 UFC | #906 |  |
 | Roan Carneiro | 4-5-0 UFC | #2727 |  |
 | Rob Kimmons | 3-4-0 UFC | #3085 | |
 | Robbie Lawler | 15-10-0 UFC | #151 | |
 | Rodrigo Sezinando | 0-1-0 UFC | #3333 | |
 | Roger Huerta | 6-2-0 UFC | #1944 | |
 | Roger Zapata | 0-1-0 UFC | #6721 | |
 | Romie Aram | 0-1-0 UFC | #5913 |  |
 | Ronald Jhun | 0-1-0 UFC | #7171 | |
 | Rory MacDonald | 9-4-0 UFC | #534 |  |
 | Ross Pointon | 0-2-0 UFC | #4863 |  |
 | Rostem Akman | 0-2-0 UFC | #3665 |  |
 | Rousimar Palhares | 8-4-0 UFC | #1137 | |