Combattants Russie
| 301 |  | Irakli Kuchukhidze | #8054 |  | |
| 302 |  | Irgit Oveenchi | 0-1-0 REC | #6421 | |
| 303 |  | Irina Alekseeva | 1-3-0 UFC | #2731 | |
| 304 |  | Isa Magomedov | #7976 | | |
| 305 |  | Islam Aguev | 1-1-0 REC | #1868 | |
| 306 |  | Islam Albekov | 1-1-0 REC | #1851 | |
| 307 |  | Islam Babatov | 0-1-0 REC | #6064 | |
| 308 |  | Islam Bakharchiev | 1-0-0 REC | #3212 | |
| 309 |  | Islam Edaev | #7829 | | |
| 310 |  | Islam Geroev | 1-1-0 REC | #4599 | |
| 311 |  | Islam Isaev | 1-0-0 REC | #2583 | |
| 312 |  | Islam Isaev | 0-2-0 REC | #4227 | |
| 313 |  | Islam Makhachev | 18-1-0 UFC | #1 | |
| 314 |  | Islam Mamedov | 6-1-1 REC | #2145 | |
| 315 |  | Islam Matsuev | #8132 | | |
| 316 |  | Islam Meshev | 0-2-0 REC | #4375 | |
| 317 |  | Islam Omarov | 2-0-0 REC | #1883 | |
| 318 |  | Islam Yunusov | #7800 | | |
| 319 | | Ismail Ismailov | 0-1-0 REC | #6641 | |
| 320 |  | Ismail Israilov | 1-0-0 REC | #7395 | |
| 321 |  | Ismail Kelemetov | 1-0-0 REC | #6258 | |
| 322 |  | Ivan Bogdanov | 2-2-0 REC | #2135 | |
| 323 |  | Ivan Gnizditskiy | #7709 | | |
| 324 |  | Ivan Romanov | 0-1-0 REC | #5985 | |
| 325 |  | Ivan Soloviev | 1-2-0 REC | #2577 | |