Poids Mi-Moyens Hommes
 | Rhys McKee | 1-5-0 UFC | #915 |  |
 | Ricardo Almeida | 6-5-0 UFC | #2118 |  |
 | Ricardo Funch | 0-4-0 UFC | #4042 | |
 | Rich Attonito | 3-2-0 UFC | #3258 | |
 | Richard Walsh | 2-3-0, 1NC UFC | #3410 |  |
 | Rick Story | 12-7-0 UFC | #438 | |
 | Ricky Rainey | 0-2-0 UFC | #5603 | |
 | Rinat Fakhretdinov | 6-0-1 UFC | #897 |  |
 | Roan Carneiro | 4-5-0 UFC | #2717 |  |
 | Rob Kimmons | 3-4-0 UFC | #3076 | |
 | Robbie Lawler | 15-10-0 UFC | #149 | |
 | Rodrigo Sezinando | 0-1-0 UFC | #3316 | |
 | Roger Huerta | 6-2-0 UFC | #1945 | |
 | Roger Zapata | 0-1-0 UFC | #6678 | |
 | Romie Aram | 0-1-0 UFC | #5889 |  |
 | Ronald Jhun | 0-1-0 UFC | #7098 | |
 | Rory MacDonald | 9-4-0 UFC | #531 |  |
 | Ross Pointon | 0-2-0 UFC | #4817 |  |
 | Rostem Akman | 0-2-0 UFC | #3653 |  |
 | Rousimar Palhares | 8-4-0 UFC | #1123 | |