| Fighter | Record | Last Bout |
|---|---|---|
| Abubakar Nurmagomedov | 17-4-1 | 2023-06-03 |
| Alex Nicholson | 7-4-0 | 2017-05-28 |
| Amanda Nunes | 23-5-0 | 2023-06-10 |
| Anthony Njokuani | 16-12-0 (1 NC) | 2014-10-04 |
| Antonio Braga Neto | 9-3-0 (1 NC) | 2017-12-09 |
| Antonio Rodrigo Nogueira | 34-10-1 (1 NC) | 2015-08-01 |
| Ben Nguyen | 16-8-0 | 2018-12-01 |
| Bobby Nash | 8-4-0 | 2017-11-25 |
| Carlos Newton | 16-14-0 | 2004-01-31 |
| Derrick Noble | 27-15-1 | 2006-04-15 |
| Diego Nunes | 19-7-0 | 2013-01-19 |
| Dustin Neace | 25-21-1 (1 NC) | 2011-12-03 |
| Francis Ngannou | 17-3-0 | 2022-01-22 |
| Guangyou Ning | 5-4-1 | 2016-11-26 |
| Jack Nilson | 2-6-0 | 1997-05-30 |
| Jason Novelli | 11-3-1 | 2016-11-05 |
| Jeff Newton | 4-2-0 | 2005-11-19 |
| Josh Neer | 36-16-1 | 2013-02-23 |
| Journey Newson | 10-5-0 (1 NC) | 2023-04-29 |
| Jutaro Nakao | 25-19-4 | 2002-03-22 |
| KJ Noons | 13-9-0 (1 NC) | 2016-02-06 |
| Kazuhiro Nakamura | 21-13-0 | 2008-05-24 |
| Keita Nakamura | 34-10-2 (1 NC) | 2019-04-20 |
| Kevin Natividad | 9-4-0 | 2022-11-19 |
| Khabib Nurmagomedov | 29-0-0 | 2020-10-24 |
| Kyle Noke | 22-10-1 | 2016-11-26 |
| Liang Na | 19-8-0 | 2024-04-27 |
| Mario Neto | 13-5-0 | 2006-09-23 |
| Mats Nilsson | 11-4-1 | 2015-01-03 |
| Mike Nickels | 9-5-0 | 2007-07-07 |
| Nad Narimani | 12-4-0 | 2020-07-18 |
| Nadia Kassem | 5-2-0 | 2019-10-05 |
| Nah-Shon Burrell | 15-7-0 (1 NC) | 2013-05-25 |
| Nam Phan | 21-17-0 | 2014-03-01 |
| Nandor Guelmino | 11-5-1 | 2013-09-21 |
| Naoki Inoue | 11-1-0 | 2018-06-23 |
| Naoyuki Kotani | 34-14-7 | 2015-09-26 |
| Natan Levy | 8-2-0 | 2024-03-16 |
| Nate Diaz | 22-13-0 | 2022-09-10 |
| Nate Loughran | 11-2-0 | 2008-12-10 |
| Nate Maness | 16-3-0 | 2024-06-15 |
| Nate Marquardt | 35-19-2 | 2017-11-11 |
| Nate Mohr | 9-7-0 | 2009-01-17 |
| Nate Quarry | 12-4-0 | 2010-03-31 |
| Nate Schroeder | 11-10-0 | 2000-06-09 |
| Nathan Coy | 15-7-0 | 2017-04-15 |
| Nazareno Malegarie | 28-4-0 | 2015-09-05 |
| Neil Grove | 12-8-1 | 2009-02-21 |
| Neil Seery | 16-13-0 | 2017-07-16 |
| Neil Wain | 13-4-0 | 2008-10-18 |