Combattants Russie
| 451 |  | Oganes Voskanyan | 1-1-0 REC | #2185 |  |
| 452 |  | Oleg Borisov | 2-1-0 REC | #2034 | |
| 453 |  | Oleg Dadonov | 1-1-0 REC | #5611 | |
| 454 |  | Oleg Olenichev | 0-1-0 REC | #5614 | |
| 455 |  | Oleg Popov | 7-1-0 REC | #886 | |
| 456 |  | Oleg Taktarov | 6-2-1 UFC | #1773 | |
| 457 |  | Olga Rubin | 4-3-0 REC | #1788 | |
| 458 |  | Omari Akhmedov | 9-5-1 UFC | #568 | |
| 459 |  | Ortsa Gudaev | 1-1-0 REC | #4716 | |
| 460 |  | Osman Minbatirov | 1-1-0 REC | #5627 | |
| 461 |  | Pavel Gordeev | 2-3-0 REC | #2552 | |
| 462 |  | Pavel Mustafin | 1-0-0 REC | #2631 | |
| 463 |  | Petr Yan | 12-4-0 UFC | #12 | |
| 464 |  | Radik Valiev | 0-1-0 REC | #7295 | |
| 465 |  | Radzhab Ramazanov | 1-2-0 REC | #1078 | |
| 466 |  | Rakhman Dzhanaev | 1-1-0 REC | #2114 | |
| 467 |  | Ramazan Emeev | 5-3-0 UFC | #734 | |
| 468 |  | Ramazan Kishev | 1-1-1 REC | #3480 | |
| 469 |  | Ramazan Kuramagomedov | 6-0-0 REC | #666 | |
| 470 |  | Ramazan Yuzyasharov | 0-1-0 REC | #7294 | |
| 471 |  | Ramzan Apaev | 0-1-0 REC | #7143 | |
| 472 |  | Ramzan Gaziev | 0-2-0 REC | #3812 | |
| 473 |  | Ramzan Gudaev | 2-0-0 REC | #520 | |
| 474 |  | Ramzan Suleymanov | 1-1-0 REC | #1139 | |
| 475 |  | Rashid Khazbulatov | 2-0-0 REC | #1109 | |