Combattants Etats-Unis
| 1901 |  | Nick Piccininni | 1-1-0 REC | #5095 |  |
| 1902 |  | Nick Roehrick | 0-1-0 UFC | #5956 | |
| 1903 |  | Nick Rossborough | 0-1-0 REC | #7617 | |
| 1904 |  | Nick Sanzo | 1-1-0 UFC | #5510 | |
| 1905 |  | Nick Serra | 0-1-0 UFC | #5527 | |
| 1906 |  | Nick Thompson | 1-1-0 UFC | #4576 | |
| 1907 |  | Nick Urso | 0-1-0 REC | #6766 | |
| 1908 |  | Nik Lentz | 14-9-1, 1NC UFC | #371 | |
| 1909 |  | Niko Price | 8-11-0, 2NC UFC | #738 | |
| 1910 |  | Nikol Aguirre | 0-1-0 REC | #6038 | |
| 1911 |  | Nina Nunes | 5-4-0 UFC | #1982 | |
| 1912 |  | Nissen Osterneck | 0-1-0 UFC | #6667 | |
| 1913 |  | Noah Bey | 3-2-0 REC | #606 | |
| 1914 |  | Noah Gasho | 3-0-0 REC | #1037 | |
| 1915 |  | Noah Hermosillo | 1-0-0 REC | #1640 | |
| 1916 |  | Noah Lindsey | 0-1-0 REC | #7443 | |
| 1917 |  | Noe Hernandez | 0-1-0 UFC | #5253 | |
| 1918 |  | Nohelin Hernandez | 0-2-0 UFC | #6495 | |
| 1919 |  | Nolan Linebaugh | 1-0-0 REC | #2965 | |
| 1920 |  | Nolan Ticman | 0-2-0 UFC | #5290 | |
| 1921 |  | Noufel El Kasri | #7758 | | |
| 1922 |  | Nyle Bartling | 0-1-0 REC | #6489 | |
| 1923 |  | Ode Osbourne | 5-7-0, 1NC UFC | #997 | |
| 1924 |  | Olivia Hendrickson | 1-0-0 REC | #5101 | |
| 1925 |  | Olivia Parker | 0-1-0 REC | #5302 | |