Poids Légers Hommes
 | Nikolas Motta | 3-3-0, 1NC UFC | #1623 |  |
 | Nikolay Kiosse | 0-1-0 REC | #5463 |  |
 | Nino Sifaoui | 1-1-0 REC | #5648 |  |
 | Noah Bey | 3-2-0 REC | #792 |  |
 | Noah Gasho | 3-0-0 REC | #1210 | |
 | Noah Gugnon | 1-0-0 UFC | #191 | |
 | Nobumitsu Osawa | 0-1-0 REC | #6787 |  |
| Noe Dellachi | 1-0-0 REC | #2500 | |
 | Nonato Junior | 0-3-0 REC | #3591 | |
 | Nurkhan Zhumagazy | 2-0-0 REC | #1576 |  |
 | Nursultan Jumadilde | 0-1-0 REC | #7707 |  |
 | Nurullo Aliev | 4-0-0 UFC | #424 |  |
 | Ognjen Dimic | 0-3-0 REC | #3633 |  |
 | Oleksandr Moisa | 2-1-0 REC | #1340 |  |
 | Olivier Aubin-Mercier | 7-5-0 UFC | #198 |  |
 | Omar Morales | 3-4-0 UFC | #2562 |  |
 | Omar Reguigui | 0-1-0, 1NC REC | #4670 |  |
 | Omar Tugarev | 0-2-0 REC | #4499 |  |
 | Omiel Brown | 9-3-0 REC | #540 |  |
 | Ondrej Petrasek | 1-1-0 REC | #6970 |  |