Tous les combattants
 | Ross Pointon | 0-2-0 UFC | #4926 |  |
 | Rostem Akman | 0-2-0 UFC | #3687 |  |
 | Rostislav Yakushev | 0-1-0 REC | #7152 |  |
 | Rousimar Palhares | 8-4-0 UFC | #1130 |  |
 | Roxanne Modafferi | 4-8-0 UFC | #2002 |  |
 | Roy Nelson | 9-10-0 UFC | #770 | |
 | Roybert Echeverria | 0-1-0 REC | #6724 |  |
 | Royce Alger | 0-2-0 UFC | #5013 | |
 | Royce Gracie | 11-1-1 UFC | #445 | |
 | Royston Wee | 2-1-0 UFC | #3947 |  |
 | Roza Gumienna | 1-3-0 REC | #4594 |  |
 | Ruan Miqueias | #7885 | | |
 | Ruan Potts | 0-3-0 UFC | #4312 |  |
 | Ruben Vinci | #8159 |  | |
 | Ruben Wolf | 0-2-0 REC | #5172 |  |
 | Ruby Mesu | 0-1-0 REC | #6253 |  |
 | Rudson Caliocane | 0-1-0 REC | #6053 | |
 | Rudy Delangue | #8083 |  | |
 | Rudyard Moncayo | 0-1-0 UFC | #7037 | |
 | Ruel Panales | 0-2-0 REC | #4497 |  |
 | Rui Imura | 0-1-0 REC | #5069 |  |
 | Rui Kato | 0-1-0 REC | #6469 | |
 | Ruslan Abiltarov | 0-1-0 REC | #6460 |  |
 | Ruslan Gabaraev | 1-3-0 REC | #2046 | |
 | Ruslan Kolodko | 0-2-0 REC | #3743 | |