Tous les combattants
 | Roman Faraldo | 2-2-0 REC | #3655 |  |
 | Roman Kiziuk | 0-1-0 REC | #5452 |  |
 | Roman Kopylov | 6-5-0 UFC | #565 |  |
 | Roman Mitichyan | 1-1-0 UFC | #4057 |  |
 | Roman Ogulchanskiy | 1-1-0 REC | #1303 | |
 | Roman Paulus | 8-5-0 REC | #1507 |  |
 | Roman Puga | 2-0-0 REC | #445 | |
 | Roman Salazar | 0-2-0, 1NC UFC | #3430 | |
 | Roman Szymanski | 2-3-0 REC | #1847 |  |
 | Roman Zhukov | 0-1-0 REC | #6275 | |
 | Romero Cotton | 1-2-0 REC | #4861 | |
 | Romero dos Reis | 1-1-0 REC | #3566 |  |
 | Romie Aram | 0-1-0 UFC | #5690 |  |
 | Ron Becker | 0-1-0 REC | #6975 |  |
 | Ron Faircloth | #7150 | | |
 | Ron Humphrey | 1-0-0 REC | #1649 | |
 | Ron Stallings | 1-2-0 UFC | #3602 | |
 | Ron Van Clief | 0-1-0 UFC | #4481 | |
 | Ron Waterman | 2-1-1 UFC | #3314 | |
 | Ronal Siahaan | 1-2-0 REC | #3993 |  |
 | Ronald Jhun | 0-1-0 UFC | #6691 | |
 | Ronald Paradeiser | 11-4-0 REC | #306 | |
 | Ronaldo Candido | 0-1-0 REC | #6919 | |
 | Ronaldo Rodriguez | 2-1-0 UFC | #1813 |  |
 | Ronaldo Silva | 0-1-0 REC | #7416 | |