Combattants Russie
| 501 |  | Oleg Borisov | 2-1-0 REC | #2765 |  |
| 502 |  | Oleg Dadonov | 1-1-0 REC | #2194 | |
| 503 |  | Oleg Olenichev | 0-1-0 REC | #5970 | |
| 504 |  | Oleg Popov | 7-1-0 REC | #1188 | |
| 505 |  | Oleg Sanakoev | 0-1-0 REC | #7425 | |
| 506 |  | Oleg Taktarov | 6-2-1 UFC | #1845 | |
| 507 |  | Olga Rubin | 4-3-0 REC | #2322 | |
| 508 |  | Omari Akhmedov | 9-5-1 UFC | #601 | |
| 509 |  | Ortsa Gudaev | 1-1-0 REC | #5474 | |
| 510 |  | Osman Minbatirov | 1-1-0 REC | #6067 | |
| 511 |  | Pavel Gordeev | 3-3-0 REC | #414 | |
| 512 |  | Pavel Mustafin | 1-0-0 REC | #3292 | |
| 513 |  | Petr Yan | 12-4-0 UFC | #10 | |
| 514 |  | Radik Valiev | 0-1-0 REC | #7657 | |
| 515 |  | Radzhab Ramazanov | 1-2-0 REC | #1998 | |
| 516 |  | Rakhman Dzhanaev | 1-2-0 REC | #2562 | |
| 517 |  | Ramazan Emeev | 5-3-0 UFC | #1049 | |
| 518 |  | Ramazan Kishev | 1-1-1 REC | #4084 | |
| 519 |  | Ramazan Kuramagomedov | 6-0-0 REC | #1093 | |
| 520 |  | Ramazan Yuzyasharov | 0-2-0 REC | #5122 | |
| 521 |  | Ramzan Abdulkadyrov | 1-0-0 REC | #758 | |
| 522 |  | Ramzan Apaev | 0-1-0 REC | #7466 | |
| 523 |  | Ramzan Gaziev | 0-2-0 REC | #4404 | |
| 524 |  | Ramzan Gudaev | 2-0-0 REC | #1593 | |
| 525 |  | Ramzan Suleymanov | 1-1-0 REC | #2095 | |