| Fighter | Record | Last Bout |
|---|---|---|
| Abubakar Nurmagomedov | 17-4-1 | 2023-06-03 |
| Alex Nicholson | 7-4-0 | 2017-05-28 |
| Allan Nascimento | 22-7-0 | 2026-06-20 |
| 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 |
| Bo Nickal | 9-1-0 | 2026-06-14 |
| Bobby Nash | 8-4-0 | 2017-11-25 |
| Borislav Nikolic | 17-2-0 | 2026-08-01 |
| Cam Nelson | 8-1-0 | 2026-08-29 |
| Carlos Newton | 16-14-0 | 2004-01-31 |
| Chidi Njokuani | 26-12-0 (1 NC) | 2026-08-15 |
| Derrick Noble | 27-15-1 | 2006-04-15 |
| Diego Nunes | 19-7-0 | 2013-01-19 |
| Diyar Nurgozhay | 12-2-0 | 2026-08-08 |
| Dustin Neace | 25-21-1 (1 NC) | 2011-12-03 |
| Eric Nolan | 8-5-0 | 2026-10-03 |
| Francesco Nuzzi | 12-2-0 (2 NC) | 2026-08-29 |
| Francis Ngannou | 17-3-0 | 2022-01-22 |
| Geoff Neal | 16-8-0 | 2026-02-21 |
| Guangyou Ning | 5-4-1 | 2016-11-26 |
| Gunnar Nelson | 19-6-1 | 2025-03-22 |
| Ismail Naurdiev | 25-8-0 | 2026-10-03 |
| Istela Nunes | 6-6-0 (1 NC) | 2025-04-05 |
| Jack Nilson | 2-6-0 | 1997-05-30 |
| Jason Novelli | 11-3-1 | 2016-11-05 |
| Jeff Newton | 4-2-0 | 2005-11-19 |
| Jefferson Nascimento | 13-1-0 | 2026-06-27 |
| Josh Neer | 36-16-1 | 2013-02-23 |
| Josiane Nunes | 10-4-0 | 2025-03-15 |
| 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 |
| Keiichiro Nakamura | 8-1-0 | 2026-01-31 |
| Keita Nakamura | 34-10-2 (1 NC) | 2019-04-20 |
| Kennedy Nzechukwu | 14-7-1 | 2026-08-22 |
| Kevin Natividad | 9-4-0 | 2022-11-19 |
| Khabib Nurmagomedov | 29-0-0 | 2020-10-24 |
| Kyle Nelson | 17-7-1 | 2026-03-28 |
| Kyle Noke | 22-10-1 | 2016-11-26 |
| Liang Na | 19-8-0 | 2024-04-27 |
| Mandel Nallo | 14-4-0 (1 NC) | 2026-10-17 |
| Mario Neto | 13-5-0 | 2006-09-23 |
| Matheus Nicolau | 19-6-1 | 2024-10-19 |
| Mats Nilsson | 11-4-1 | 2015-01-03 |
| Mike Nickels | 9-5-0 | 2007-07-07 |
| Muhammad Naimov | 13-5-0 | 2026-09-05 |