Poids Lourds Hommes
 | Rodrigo Nascimento | 4-3-0, 1NC UFC | #1345 |  |
 | Roger Hollett | 0-2-0 UFC | #4935 |  |
 | Rolles Gracie | 0-1-0 UFC | #6266 | |
 | Ron Faircloth | #7483 |  | |
 | Ron Waterman | 2-1-1 UFC | #3652 | |
 | Roque Martinez | 0-3-0 UFC | #4519 |  |
 | Roy Nelson | 9-10-0 UFC | #784 | |
 | Ruan Potts | 0-3-0 UFC | #4285 |  |
 | Ruslan Magomedov | 3-0-0 UFC | #3087 |  |
 | Ryan Bader | 15-5-0 UFC | #185 | |
 | Ryan Parker | 0-1-0 UFC | #6804 | |
 | Ryan Spann | 10-6-0 UFC | #255 | |
 | Saeed Hosseini | 0-1-0 UFC | #5415 |  |
 | Sam Adkins | 2-2-0 UFC | #3734 | |
 | Sam Fulton | 0-2-0 UFC | #6173 | |
 | Scott Adams | 1-0-0 UFC | #5206 | |
 | Scott Baker | 0-1-0 UFC | #6692 | |
 | Scott Bessac | 1-1-0 UFC | #6264 | |
 | Scott Ferrozzo | 3-2-0 UFC | #2728 | |
 | Scott Fiedler | 0-1-0 UFC | #6244 | |