Tous les combattants
 | Royston Wee | 2-1-0 UFC | #3915 |  |
 | Roza Gumienna | 1-3-0 REC | #4574 |  |
 | Ruan Miqueias | #7879 |  | |
 | Ruan Potts | 0-3-0 UFC | #4285 |  |
 | Ruben Wolf | 0-2-0 REC | #5148 |  |
 | Ruby Mesu | 0-1-0 REC | #6160 |  |
 | Rudson Caliocane | 0-1-0 REC | #5977 | |
 | Rudy Delangue | #8060 |  | |
 | Rudyard Moncayo | 0-1-0 UFC | #6947 |  |
 | Ruel Panales | 0-2-0 REC | #4490 |  |
 | Rui Imura | 0-1-0 REC | #5061 |  |
 | Rui Kato | 0-1-0 REC | #6628 | |
 | Ruslan Abiltarov | 0-1-0 REC | #6426 |  |
 | Ruslan Gabaraev | 1-3-0 REC | #1991 | |
 | Ruslan Kolodko | 0-2-0 REC | #3697 |  |
 | Ruslan Magomedov | 3-0-0 UFC | #3087 | |
 | Ruslan Medzhidov | 0-2-0 REC | #4310 |  |
 | Ruslan Shamilov | 4-0-0 REC | #415 | |
 | Russell Doane | 3-5-0 UFC | #3036 | |
 | Rustam Asuev | 1-0-0 REC | #3463 | |
 | Rustam Debishev | 1-0-0 REC | #6990 | |
 | Rustam Kerimov | 2-1-0 REC | #1733 | |
 | Rustam Khabilov | 10-3-0 UFC | #712 | |
 | Rustam Khadisgadzhiev | 2-0-0 REC | #2322 | |
 | Rustam Serbiev | 0-1-0 REC | #5618 | |