| Fighter | Record | Last Bout |
|---|---|---|
| Abdul Hussein | 16-2-0 | 2026-07-25 |
| Alex Hunter | 2-0-0 | 1997-10-17 |
| Alexander Hernandez | 18-9-0 | 2026-10-03 |
| Alvaro Herrera Mendoza | 9-6-0 | 2018-07-28 |
| Alvin Hines | 7-2-0 | 2026-07-18 |
| Andrew Holbrook | 12-3-0 | 2017-09-02 |
| Angela Hill | 19-16-0 | 2026-05-30 |
| Anthony Hamilton | 15-9-0 | 2017-11-18 |
| Anthony Hernandez | 15-4-0 (1 NC) | 2026-08-22 |
| Antoni Hardonk | 8-6-0 | 2009-10-24 |
| Austin Hubbard | 17-10-0 | 2025-08-23 |
| Barb Honchak | 10-4-0 | 2018-07-06 |
| Bassil Hafez | 9-4-1 | 2024-11-16 |
| Benson Henderson | 24-7-0 | 2015-11-28 |
| Bilal Hasan | 10-0-0 (1 NC) | 2026-08-29 |
| Bobby Hoffman | 36-10-1 (2 NC) | 2001-11-02 |
| Brady Hiestand | 9-2-0 | 2026-09-26 |
| Branden Lee Hinkle | 17-11-0 (1 NC) | 2006-06-28 |
| Brian Houston | 4-6-0 | 2014-01-15 |
| Carlos Hernandez | 10-5-0 | 2025-05-17 |
| Carlos Huachin | 10-5-1 | 2019-09-21 |
| Carlston Harris | 19-8-0 | 2026-05-30 |
| Chase Hooper | 17-5-1 | 2026-07-18 |
| Chris Haseman | 20-17-0 | 2002-07-13 |
| Chris Heatherly | 9-4-0 (1 NC) | 2014-11-15 |
| Chris Holdsworth | 6-0-0 | 2014-05-24 |
| Clay Harvison | 13-6-0 | 2011-11-12 |
| Clint Hester | 11-6-0 | 2016-04-23 |
| Cody Haddon | 9-1-0 | 2026-05-30 |
| Collin Hart | 6-3-1 | 2013-04-13 |
| Corey Hill | 6-9-0 | 2008-12-10 |
| Cory Hendricks | 3-1-0 | 2016-07-08 |
| Dakota Hope | 11-2-0 | 2026-04-04 |
| Dale Hartt | 6-3-0 | 2009-06-13 |
| Damir Hadzovic | 14-8-0 | 2025-02-01 |
| Dan Hardy | 25-10-0 (1 NC) | 2012-09-29 |
| Dan Henderson | 32-15-0 | 2016-10-08 |
| Dan Hooker | 24-15-0 | 2026-09-05 |
| Danny Henry | 12-4-0 | 2020-07-11 |
| Darrell Horcher | 13-4-0 | 2018-11-30 |
| Dave Herman | 22-6-0 | 2013-07-06 |
| David Heath | 18-7-0 | 2008-02-02 |
| David Hood | 1-3-0 | 1995-09-08 |
| Delson Heleno | 29-10-0 | 2012-06-23 |
| Dennis Hallman | 53-20-2 (1 NC) | 2011-12-10 |
| Dong Hyun Kim | 22-4-1 (1 NC) | 2017-06-17 |
| Dong Hyun Ma | 16-11-3 | 2019-12-21 |
| Dustin Hazelett | 12-7-0 | 2010-12-11 |
| Ed Herman | 27-16-0 (1 NC) | 2023-04-15 |
| Farman Hasanov | 6-0-0 | 2026-06-27 |