Poids Lourds Hommes
 | Robelis Despaigne | 1-2-0 UFC | #693 |  |
 | Robert Lucarelli | 0-1-0 UFC | #5730 |  |
 | Roberto Traven | 1-1-0 UFC | #4715 |  |
 | Rodrigo Nascimento | 4-3-0, 1NC UFC | #1403 | |
 | Roger Hollett | 0-2-0 UFC | #5098 |  |
 | Rolles Gracie | 0-1-0 UFC | #6422 | |
 | Ron Faircloth | #7676 | | |
 | Ron Waterman | 2-1-1 UFC | #3756 | |
 | Roque Martinez | 0-3-0 UFC | #4662 |  |
 | Roy Nelson | 9-10-0 UFC | #806 | |
 | Ruan Potts | 0-3-0 UFC | #4425 |  |
 | Ruslan Magomedov | 3-0-0 UFC | #3091 |  |
 | Ryan Bader | 15-5-0 UFC | #198 | |
 | Ryan Parker | 0-1-0 UFC | #7055 | |
 | Ryan Spann | 10-7-0 UFC | #249 | |
 | Saeed Hosseini | 0-1-0 UFC | #5612 |  |
 | Sam Adkins | 2-2-0 UFC | #3821 | |
 | Sam Fulton | 0-2-0 UFC | #6364 | |
 | Scott Adams | 1-0-0 UFC | #5314 | |
 | Scott Baker | 0-1-0 UFC | #6846 | |