Combattants Russie
| 501 |  | Said-Magomed Batukaev | 0-1-0 REC | #5516 |  |
| 502 |  | Said-Magomed Gimbatov | 0-2-0 REC | #4137 | |
| 503 |  | Said-Selim Lulaev | 1-0-0 REC | #1263 | |
| 504 |  | Saifulla Dzhabrailov | 2-1-0 REC | #1933 | |
| 505 |  | Salamat Isbulaev | 1-0-0 REC | #715 | |
| 506 |  | Salamu Abdurakhmanov | 2-0-0 REC | #879 | |
| 507 |  | Salamu Dadagov | 0-1-0 REC | #7080 | |
| 508 |  | Salamu Zakarov | 0-1-0 REC | #7059 | |
| 509 |  | Salimgerey Rasulov | 0-2-0 REC | #4126 | |
| 510 |  | Saparbek Safarov | 1-3-0 UFC | #3630 | |
| 511 |  | Sattor Rizoev | 1-0-0 REC | #3935 | |
| 512 |  | Sayan Kedenov | 1-0-0 REC | #1495 | |
| 513 |  | Sayfulla Charaev | 2-0-0 REC | #859 | |
| 514 |  | Saygid Abdulaev | 3-0-0 REC | #796 | |
| 515 |  | Saygid Izagakhmaev | 0-1-0 UFC | #2821 | |
| 516 |  | Saykhan Timerbulatov | 1-1-0 REC | #1183 | |
| 517 |  | Sergei Pavlovich | 8-3-0 UFC | #89 | |
| 518 |  | Sergey Bilostenniy | 4-2-0 REC | #1256 | |
| 519 |  | Sergey Degterev | 0-2-0 REC | #4068 | |
| 520 |  | Sergey Efimov | 0-1-0 REC | #5412 | |
| 521 |  | Sergey Kalinin | 1-0-0 REC | #4042 | |
| 522 |  | Sergey Khandozhko | 2-1-0 UFC | #3471 | |
| 523 |  | Sergey Klyuev | #7266 | | |
| 524 |  | Sergey Shirkunov | 0-1-0 REC | #5531 | |
| 525 |  | Sergey Tolmachev | 0-1-0 REC | #6941 | |