Poids Mouches Hommes
 | Ricardo Ramirez | 0-1-0 REC | #6153 |  |
 | Richard Mahan | 0-1-0 REC | #6299 |  |
 | Richie Vaculik | 1-3-0 UFC | #3914 |  |
 | Rickson Zenidim | 0-1-0 REC | #6192 |  |
 | Rilley Dutro | 0-1-0 REC | #7274 | |
 | Rio Tirto | 0-1-0 REC | #4443 |  |
 | Roberto Sanchez | 1-2-0 UFC | #4432 | |
 | Rodney Kealohi | 0-1-0 REC | #6493 | |
 | Rodrigo Roldan | 0-1-0 REC | #6320 |  |
 | Roldan Sangcha-an | 0-2-0 UFC | #5046 |  |
 | Romain Tango Ngouodjou | 0-2-0 REC | #2044 |  |
 | Romero dos Reis | 1-1-0 REC | #3936 | |
 | Ronal Siahaan | 1-2-0 REC | #4295 | |
 | Ronaldo Candido | 0-1-0 REC | #7461 | |
 | Ronaldo Rodriguez | 2-1-0 UFC | #2162 | |
 | Roque Conceicao | 0-1-0 REC | #5315 | |
 | Roybert Echeverria | 0-1-0 REC | #6726 |  |
 | Ruan Miqueias | #7829 | | |
 | Ruel Panales | 0-2-0 REC | #4454 | |
 | Rui Kato | 0-1-0 REC | #6730 |  |