Tous les combattants
 | Umalatbek Mukhadzhirov | 0-1-0 REC | #7769 |  |
 | Umar Imanshapiev | 0-1-0 REC | #7261 | |
 | Umar Nurmagomedov | 8-1-0 UFC | #62 | |
 | Umarali Maripov | 1-1-0 REC | #4591 |  |
 | Umberto di Munno | 0-1-0 REC | #5763 |  |
 | Umut Birdal | 0-1-0 REC | #5609 |  |
 | Uran Satybaldiev | 1-1-0 UFC | #1482 |  |
 | Uriah Hall | 10-9-0 UFC | #677 |  |
 | Urijah Faber | 11-7-0 UFC | #428 |  |
 | Uros Medic | 8-3-0 UFC | #100 |  |
 | Usman Nurmagomedov | 8-0-0, 1NC REC | #135 | |
 | Ustarmagomed Gadzhidaudov | 0-1-0 REC | #5615 | |
 | Uwe Schuder | 0-1-0 REC | #5245 |  |
 | Uzair Abdurakov | 1-2-0 REC | #2508 | |
 | Vaclav Holota | 4-1-0 REC | #3783 |  |
 | Vaclav Mikulasek | 2-5-0 REC | #3575 | |
 | Vaclav Stepan | 2-0-0 REC | #1355 | |
 | Vadim Fialkovskiy | 1-0-0 REC | #2096 | |
 | Vadim Israfilov | 0-1-0 REC | #6926 | |
 | Vadim Kadyrov | 1-0-0 REC | #2497 | |
 | Vadim Kutsy | 0-1-0 REC | #6645 |  |
 | Vadim Nemkov | 5-0-0, 1NC REC | #1210 | |
 | Vadim Ogar | 2-1-0 REC | #2179 | |
 | Vadim Zadnipryanyi | #7853 |  | |
 | Vagiz Ismagilov | 2-0-0 REC | #1979 | |