Tous les combattants
 | Nurgazy Akylbek Uulu | #7488 |  | |
 | Nurkhan Zhumagazy | 2-0-0 REC | #1867 |  |
 | Nursultan Jumadilde | 0-1-0 REC | #7933 | |
 | Nursulton Ruziboev | 5-2-0 UFC | #311 |  |
 | Nurullo Aliev | 4-0-0 UFC | #508 |  |
 | Nurumar Akhmataliev | #8174 | | |
 | Nyamjargal Tumendemberel | 2-1-0 UFC | #1334 |  |
 | Nyle Bartling | 0-1-0 REC | #6624 |  |
 | O. Mandt Johnsen | 0-1-0 REC | #8169 |  |
 | Oban Elliott | 3-3-0 UFC | #1250 |  |
 | Oceane Samson | 2-0-0 REC | #1685 |  |
 | Ode Osbourne | 5-7-0, 1NC UFC | #1081 | |
 | Oganes Voskanyan | 1-2-0 REC | #2796 |  |
 | Ognjen Dimic | 0-3-0 REC | #3823 |  |
 | Ole Hetleflat | 1-0-0 REC | #2864 | |
 | Ole Magnor | 2-2-0 REC | #4825 | |
 | Oleg Borisov | 2-1-0 REC | #2943 | |
 | Oleg Dadonov | 1-1-0 REC | #2376 | |
 | Oleg Nagorny | 0-1-0 REC | #7729 |  |
 | Oleg Olenichev | 0-1-0 REC | #6076 | |
 | Oleg Popov | 7-1-0 REC | #1257 | |
 | Oleg Sanakoev | 0-1-0 REC | #6141 | |
 | Oleg Taktarov | 6-2-1 UFC | #1884 | |
 | Oļegs Jemeļjanovs | 0-2-0 REC | #6562 |  |
 | Oleksandr Moisa | 2-1-0 REC | #1652 | |