| Fighter | Record | Last Bout |
|---|---|---|
| Darko Stosic | 13-4-0 | 2020-01-25 |
| Daron Cruickshank | 18-10-0 (1 NC) | 2016-01-17 |
| Darrel Gholar | 5-6-0 | 1999-01-08 |
| Darrell Horcher | 13-4-0 | 2018-11-30 |
| Darrell Montague | 13-5-0 | 2015-07-12 |
| Darren Elkins | 29-13-0 | 2026-08-08 |
| Darren Stewart | 12-8-0 (2 NC) | 2021-08-28 |
| Darren Till | 18-5-1 | 2022-12-10 |
| Darren Uyenoyama | 10-6-0 | 2013-12-14 |
| Darrick Minner | 26-14-0 | 2022-11-05 |
| Darrill Schoonover | 14-8-0 | 2009-12-05 |
| Darrius Flowers | 13-9-1 | 2026-04-04 |
| Dashon Johnson | 9-2-0 | 2014-09-13 |
| Dave Beneteau | 6-5-1 | 1997-10-17 |
| Dave Berry | 0-1-0 | 1996-09-20 |
| Dave Galera | 5-1-0 | 2014-01-04 |
| Dave Herman | 22-6-0 | 2013-07-06 |
| Dave Menne | 45-17-2 | 2006-12-13 |
| Dave Strasser | 25-8-0 | 2003-09-26 |
| Davey Grant | 18-8-0 | 2026-04-25 |
| Davi Ramos | 10-4-0 | 2020-07-18 |
| David Abbott | 10-15-0 | 2003-11-21 |
| David Baron | 17-4-1 | 2008-10-18 |
| David Bielkheden | 24-12-0 | 2009-04-18 |
| David Branch | 22-6-0 | 2019-03-30 |
| David Dodd | 4-7-0 | 2000-06-09 |
| David Dvorak | 20-6-0 | 2023-06-10 |
| David Heath | 18-7-0 | 2008-02-02 |
| David Hood | 1-3-0 | 1995-09-08 |
| David Kaplan | 3-4-0 | 2009-05-23 |
| David Lee | 12-10-0 | 2007-04-21 |
| David Levicki | 1-3-0 | 1994-03-11 |
| David Loiseau | 23-11-0 | 2010-06-12 |
| David Martinez | 14-1-0 | 2026-09-12 |
| David Michaud | 11-3-0 | 2015-04-25 |
| David Mitchell | 22-7-0 | 2013-10-09 |
| David Onama | 14-3-0 | 2025-11-01 |
| David Roberts | 5-8-0 | 1999-05-07 |
| David Terrell | 6-2-0 | 2006-04-15 |
| David Teymur | 8-2-0 | 2019-02-02 |
| David Velasquez | 10-10-0 | 2000-03-10 |
| David Zawada | 17-7-0 | 2021-09-04 |
| DeAnna Bennett | 8-3-1 | 2017-12-01 |
| Dean Barry | 4-2-0 | 2022-04-23 |
| Dean Lister | 13-7-0 | 2008-12-27 |
| Deiveson Figueiredo | 25-7-1 | 2026-10-03 |
| Delphine Benouaich | 8-2-0 | 2026-09-05 |
| Delson Heleno | 29-10-0 | 2012-06-23 |
| Demetrious Johnson | 27-3-1 | 2018-08-04 |
| Demian Maia | 28-11-0 | 2021-06-12 |