Poids Légers Hommes
 | Richie Miranda | 6-0-0 REC | #953 |  |
 | Richie Smullen | 0-1-0 UFC | #1897 |  |
 | Rick Davis | 0-1-0 UFC | #6617 | |
 | Ricky Glenn | 4-6-1 UFC | #1971 | |
 | Ricky Palacios | 1-0-0 REC | #6614 | |
 | Risto Dimitrov | 0-1-0 REC | #7059 |  |
 | Rizwan Ali | 1-0-0 REC | #1480 |  |
 | Robert Watley | 2-2-0 REC | #1612 | |
 | Roberto de Souza | 4-3-0 REC | #935 |  |
 | Robin Frank | 0-1-0 REC | #4944 |  |
 | Robson Junior | 1-0-0 REC | #6589 | |
 | Rodrigo de Lima | 0-2-0 UFC | #4334 | |
 | Rodrigo Lidio | 0-2-0 REC | #5282 | |
 | Rodrigo Paiva | 0-1-0 REC | #5564 | |
 | Rodrigo Vargas | 1-3-0 UFC | #2927 |  |
 | Roger Bowling | 0-2-0, 1NC UFC | #5105 | |
 | Roland Pruden | 1-1-0 REC | #2713 | |
 | Roland Szolnoki | 1-0-0 REC | #7354 |  |
 | Rolando Bedoya | 0-4-0 UFC | #2729 |  |
 | Roman David | 1-0-0 REC | #1978 | |