| Fighter | Record | Last Bout |
|---|---|---|
| He-Man Gipson | 1-2-0 | 1995-07-14 |
| Heath Herring | 28-16-0 (1 NC) | 2008-08-09 |
| Heather Clark | 7-6-0 | 2016-11-05 |
| Hector Aldana | 4-3-0 | 2019-10-12 |
| Hector Lombard | 34-10-1 (2 NC) | 2018-09-22 |
| Hector Ramirez | 10-6-1 | 2007-06-16 |
| Hector Sandoval | 14-4-0 | 2017-08-05 |
| Hector Urbina | 17-10-1 | 2016-09-24 |
| Henrique da Silva | 14-5-0 | 2017-09-22 |
| Henry Briones | 16-8-1 | 2018-05-19 |
| Henry Martinez | 9-4-0 | 2012-12-08 |
| Herbert Burns | 11-6-0 | 2024-08-17 |
| Hermes Franca | 24-17-0 (1 NC) | 2009-09-19 |
| Hernani Perpetuo | 18-5-0 (1 NC) | 2014-07-26 |
| Holly Holm | 15-7-0 (1 NC) | 2024-04-13 |
| Homer Moore | 26-9-2 | 2001-11-02 |
| Horacio Gutierrez | 4-3-0 | 2016-08-06 |
| Houston Alexander | 17-15-1 (2 NC) | 2009-12-05 |
| Houston Dorr | 1-2-0 | 1997-10-17 |
| Hu Yaozong | 3-3-0 | 2021-10-30 |
| Hugo Duarte | 6-3-0 | 1998-05-15 |
| Hugo Viana | 8-4-0 | 2015-08-01 |
| Humberto Bandenay | 14-7-0 (1 NC) | 2019-08-10 |
| Humberto Brown Morrison | 4-6-0 | 2014-11-15 |
| Hunter Azure | 9-2-0 | 2021-04-10 |
| Hyun Gyu Lim | 13-7-1 | 2017-09-22 |
| Ian Heinisch | 14-5-0 | 2021-07-24 |
| Jake Hecht | 11-4-0 | 2012-06-08 |
| James Hammortree | 6-3-0 | 2010-06-19 |
| James Head | 9-4-0 | 2013-08-28 |
| James Te Huna | 16-9-0 | 2016-03-19 |
| Jared Hamman | 14-6-0 | 2013-08-31 |
| Jason High | 21-6-0 | 2014-06-07 |
| Jay Hieron | 23-7-0 | 2013-02-02 |
| Jeff Hougland | 10-6-0 | 2012-11-10 |
| Jeff Hughes | 10-4-0 (1 NC) | 2020-09-26 |
| Jeremy Horn | 91-22-5 (1 NC) | 2009-01-17 |
| Jimy Hettes | 11-3-0 | 2015-04-18 |
| John Halverson | 16-8-0 (1 NC) | 2008-03-01 |
| John Hathaway | 17-2-0 | 2014-03-01 |
| John Howard | 24-13-0 | 2015-12-10 |
| Johny Hendricks | 18-8-0 | 2017-11-04 |
| Jon Hess | 1-1-0 | 1995-04-07 |
| Joseph Holmes | 8-4-0 | 2023-05-06 |
| Josh Haynes | 14-11-0 | 2007-04-07 |
| Josh Hendricks | 19-11-0 (1 NC) | 2008-11-15 |
| Kay Hansen | 7-6-0 | 2022-04-09 |
| Keith Hackney | 2-2-0 | 1995-12-16 |
| Kuniyoshi Hironaka | 23-9-0 | 2008-04-19 |
| Kwan Ho Kwak | 9-2-0 | 2017-06-17 |