Tous les combattants
 | Rob MacDonald | 1-2-0 UFC | #3989 |  |
 | Rob Whiteford | 2-3-0 UFC | #3011 |  |
 | Rob Wilkinson | 0-2-0 UFC | #693 |  |
 | Rob Yundt | 0-2-0 UFC | #5276 |  |
 | Robbie Lawler | 15-10-0 UFC | #172 | |
 | Robbie Peralta | 4-3-0, 1NC UFC | #3023 | |
 | Robbie Ring | 0-2-0 REC | #4131 | |
 | Robelis Despaigne | 2-2-0 UFC | #282 |  |
 | Robert Bryczek | 1-3-0 UFC | #1133 |  |
 | Robert Constantin | 0-1-0 REC | #5460 |  |
 | Robert Drysdale | #7458 | | |
 | Robert Emerson | 3-3-0, 1NC UFC | #3054 | |
 | Robert Hale | 0-1-0 REC | #7067 | |
 | Robert Lau | 1-0-0 REC | #832 |  |
 | Robert Lucarelli | 0-1-0 UFC | #5630 | |
 | Robert Maciejowski | 0-1-0 REC | #7698 | |
 | Robert Pukac | 6-9-0 REC | #978 |  |
 | Robert Ruchala | 0-2-0 UFC | #1441 | |
 | Robert Valentin | 2-3-0 UFC | #452 |  |
 | Robert Valiev | 0-2-0 REC | #5672 |  |
 | Robert Varricchio | 0-1-0 REC | #6014 | |
 | Robert Watley | 2-4-0 REC | #2075 | |
 | Robert Whittaker | 18-7-0 UFC | #55 |  |
 | Roberta Paim Samad | 1-0-0 REC | #6672 |  |
 | Roberto de Souza | 5-3-0 REC | #710 | |