Combattants Etats-Unis
| 1901 |  | Nick Piccininni | 1-1-0 REC | #5101 |  |
| 1902 |  | Nick Roehrick | 0-1-0 UFC | #5961 | |
| 1903 |  | Nick Rossborough | 0-1-0 REC | #7626 | |
| 1904 |  | Nick Sanzo | 1-1-0 UFC | #5487 | |
| 1905 |  | Nick Serra | 0-1-0 UFC | #5553 | |
| 1906 |  | Nick Thompson | 1-1-0 UFC | #4603 | |
| 1907 |  | Nick Urso | 0-1-0 REC | #6776 | |
| 1908 |  | Nik Lentz | 14-9-1, 1NC UFC | #378 | |
| 1909 |  | Niko Price | 8-11-0, 2NC UFC | #744 | |
| 1910 |  | Nikol Aguirre | 0-1-0 REC | #6099 | |
| 1911 |  | Nina Nunes | 5-4-0 UFC | #1980 | |
| 1912 |  | Nissen Osterneck | 0-1-0 UFC | #6736 | |
| 1913 |  | Noah Bey | 3-2-0 REC | #651 | |
| 1914 |  | Noah Gasho | 3-0-0 REC | #1089 | |
| 1915 |  | Noah Hermosillo | 1-0-0 REC | #1695 | |
| 1916 |  | Noah Lindsey | 0-1-0 REC | #7464 | |
| 1917 |  | Noe Hernandez | 0-1-0 UFC | #5281 | |
| 1918 |  | Nohelin Hernandez | 0-2-0 UFC | #6560 | |
| 1919 |  | Nolan Linebaugh | 1-0-0 REC | #2998 | |
| 1920 |  | Nolan Ticman | 0-2-0 UFC | #5319 | |
| 1921 |  | Noufel El Kasri | #7795 | | |
| 1922 |  | Nyle Bartling | 0-1-0 REC | #6468 | |
| 1923 |  | Ode Osbourne | 5-7-0, 1NC UFC | #1011 | |
| 1924 |  | Olivia Hendrickson | 1-0-0 REC | #5087 | |
| 1925 |  | Olivia Parker | 0-1-0 REC | #5292 | |