Combattants Russie
| 451 |  | Oleg Olenichev | 0-1-0 REC | #5392 |  |
| 452 |  | Oleg Popov | 7-1-0 REC | #762 | |
| 453 |  | Oleg Taktarov | 6-2-1 UFC | #1736 | |
| 454 |  | Olga Rubin | 4-3-0 REC | #1638 | |
| 455 |  | Omari Akhmedov | 9-5-1 UFC | #544 | |
| 456 |  | Ortsa Gudaev | 1-1-0 REC | #4502 | |
| 457 |  | Osman Minbatirov | 1-1-0 REC | #5567 | |
| 458 |  | Pavel Gordeev | 1-3-0 REC | #2393 | |
| 459 |  | Pavel Mustafin | 1-0-0 REC | #2382 | |
| 460 |  | Petr Yan | 12-4-0 UFC | #12 | |
| 461 |  | Radik Valiev | 0-1-0 REC | #7106 | |
| 462 |  | Radzhab Ramazanov | 1-2-0 REC | #801 | |
| 463 |  | Rakhman Dzhanaev | 1-1-0 REC | #1891 | |
| 464 |  | Ramazan Emeev | 5-3-0 UFC | #583 | |
| 465 |  | Ramazan Kishev | 1-1-1 REC | #3312 | |
| 466 |  | Ramazan Kuramagomedov | 6-0-0 REC | #481 | |
| 467 |  | Ramazan Yuzyasharov | 0-1-0 REC | #7095 | |
| 468 |  | Ramzan Apaev | 0-1-0 REC | #6997 | |
| 469 |  | Ramzan Gaziev | 0-2-0 REC | #3611 | |
| 470 |  | Ramzan Gudaev | 2-0-0 REC | #292 | |
| 471 |  | Ramzan Suleymanov | 1-1-0 REC | #883 | |
| 472 |  | Rashid Khazbulatov | 2-0-0 REC | #855 | |
| 473 |  | Rashid Magomedov | 5-1-0 UFC | #1111 | |
| 474 |  | Rashid Vagabov | 1-0-0 REC | #2058 | |
| 475 |  | Rashid Yusupov | 2-3-0 REC | #4193 | |