Poids Lourds Hommes
 | Robelis Despaigne | 1-2-0 UFC | #684 |  |
 | Robert Lucarelli | 0-1-0 UFC | #5731 |  |
 | Roberto Traven | 1-1-0 UFC | #4678 |  |
 | Rodrigo Nascimento | 4-3-0, 1NC UFC | #1356 | |
 | Roger Hollett | 0-2-0 UFC | #5038 |  |
 | Rolles Gracie | 0-1-0 UFC | #6365 | |
 | Ron Faircloth | #7593 | | |
 | Ron Waterman | 2-1-1 UFC | #3690 | |
 | Roque Martinez | 0-3-0 UFC | #4571 |  |
 | Roy Nelson | 9-10-0 UFC | #791 | |
 | Ruan Potts | 0-3-0 UFC | #4345 |  |
 | Ruslan Magomedov | 3-0-0 UFC | #3085 |  |
 | Ryan Bader | 15-5-0 UFC | #197 | |
 | Ryan Parker | 0-1-0 UFC | #6919 | |
 | Ryan Spann | 10-6-0 UFC | #268 | |
 | Saeed Hosseini | 0-1-0 UFC | #5488 |  |
 | Sam Adkins | 2-2-0 UFC | #3749 | |
 | Sam Fulton | 0-2-0 UFC | #6260 | |
 | Scott Adams | 1-0-0 UFC | #5246 | |
 | Scott Baker | 0-1-0 UFC | #6770 | |