Poids Lourds Hommes
 | Robelis Despaigne | 1-2-0 UFC | #668 |  |
 | Robert Lucarelli | 0-1-0 UFC | #5728 |  |
 | Roberto Traven | 1-1-0 UFC | #4687 |  |
 | Rodrigo Nascimento | 4-3-0, 1NC UFC | #1357 | |
 | Roger Hollett | 0-2-0 UFC | #4996 |  |
 | Rolles Gracie | 0-1-0 UFC | #6335 | |
 | Ron Faircloth | #7560 | | |
 | Ron Waterman | 2-1-1 UFC | #3665 | |
 | Roque Martinez | 0-3-0 UFC | #4564 |  |
 | Roy Nelson | 9-10-0 UFC | #770 | |
 | Ruan Potts | 0-3-0 UFC | #4312 |  |
 | Ruslan Magomedov | 3-0-0 UFC | #3087 |  |
 | Ryan Bader | 15-5-0 UFC | #185 | |
 | Ryan Parker | 0-1-0 UFC | #6884 | |
 | Ryan Spann | 10-6-0 UFC | #265 | |
 | Saeed Hosseini | 0-1-0 UFC | #5462 |  |
 | Sam Adkins | 2-2-0 UFC | #3728 | |
 | Sam Fulton | 0-2-0 UFC | #6219 | |
 | Scott Adams | 1-0-0 UFC | #5225 | |
 | Scott Baker | 0-1-0 UFC | #6740 | |