Poids Légers Hommes
 | Rick Davis | 0-1-0 UFC | #6626 |  |
 | Ricky Glenn | 4-6-1 UFC | #1961 | |
 | Ricky Palacios | 1-0-0 REC | #6585 | |
 | Risto Dimitrov | 0-1-0 REC | #7044 |  |
 | Rizwan Ali | 1-0-0 REC | #1435 |  |
 | Robert Watley | 2-2-0 REC | #1589 | |
 | Roberto de Souza | 4-3-0 REC | #906 |  |
 | Robin Frank | 0-1-0 REC | #4936 |  |
 | Robson Junior | 1-0-0 REC | #6593 | |
 | Rodrigo de Lima | 0-2-0 UFC | #4322 | |
 | Rodrigo Lidio | 0-2-0 REC | #5251 | |
 | Rodrigo Paiva | 0-1-0 REC | #5535 | |
 | Rodrigo Vargas | 1-3-0 UFC | #2910 |  |
 | Roger Bowling | 0-2-0, 1NC UFC | #5082 | |
 | Roland Pruden | 1-1-0 REC | #2688 | |
 | Roland Szolnoki | 1-0-0 REC | #7338 |  |
 | Rolando Bedoya | 0-4-0 UFC | #2705 |  |
 | Roman David | 1-0-0 REC | #1942 |  |
 | Roman Mitichyan | 1-1-0 UFC | #3984 |  |
 | Roman Szymanski | 2-3-0 REC | #1761 |  |