| Fighter | Record | Last Bout |
|---|---|---|
| DongHun Choi | 9-0-0 | 2024-11-23 |
| Donte Johnson | 9-0-0 | 2026-08-15 |
| Dooho Choi | 17-4-1 | 2026-09-19 |
| Douglas Silva de Andrade | 29-7-0 (1 NC) | 2026-02-28 |
| Drakkar Klose | 16-3-1 | 2026-09-12 |
| Drew Dober | 29-15-0 (1 NC) | 2026-03-07 |
| Dricus Du Plessis | 24-3-0 | 2026-07-18 |
| Dusko Todorovic | 13-7-0 | 2026-08-01 |
| Dustin Jacoby | 22-10-1 | 2026-07-25 |
| Dustin Poirier | 30-10-0 (1 NC) | 2025-07-19 |
| Dustin Stoltzfus | 17-8-0 | 2026-08-15 |
| Dylan Budka | 7-5-0 | 2025-02-15 |
| Elizeu Zaleski dos Santos | 25-10-1 | 2025-08-02 |
| Felipe dos Santos | 8-3-0 (1 NC) | 2025-03-22 |
| Grant Dawson | 24-3-1 | 2026-10-24 |
| Isaac Dulgarian | 7-2-0 | 2025-11-01 |
| Islam Dulatov | 12-1-0 | 2025-07-19 |
| Jack Della Maddalena | 18-4-0 | 2026-05-02 |
| Jhonata Diniz | 9-2-0 | 2026-10-17 |
| Jose Daniel Medina | 11-7-0 | 2026-02-28 |
| Jose Delano | 17-3-0 | 2026-04-04 |
| Jose Delgado | 12-2-0 | 2026-09-12 |
| Juan Diaz | 16-1-1 | 2026-05-16 |
| Kyle Daukaus | 17-5-0 (1 NC) | 2026-10-17 |
| Lerryan Douglas | 14-6-0 | 2026-08-22 |
| Luis Felipe Dias | 18-6-0 | 2026-09-05 |
| Mackenzie Dern | 17-5-0 | 2026-08-15 |
| Matthieu Duclos | 11-3-0 | 2026-09-05 |
| Merab Dvalishvili | 21-5-0 | 2026-10-24 |
| Mike Davis | 12-4-0 | 2026-07-25 |
| Nicolas Dalby | 24-6-1 (2 NC) | 2025-11-22 |
| Norma Dumont | 13-3-0 | 2026-09-26 |
| Ozzy Diaz | 10-4-0 | 2026-09-19 |
| Rafael Dos Anjos | 32-17-0 | 2026-10-03 |
| Rayanne dos Santos | 14-9-0 | 2025-05-31 |
| Reinier de Ridder | 22-4-0 | 2026-08-22 |
| Robelis Despaigne | 5-2-0 | 2026-09-19 |
| Roman Dolidze | 15-6-0 | 2026-08-22 |
| Sedriques Dumas | 10-5-0 (1 NC) | 2026-04-25 |
| Shanelle Dyer | 8-1-0 | 2026-08-22 |
| Stan Dorsainvil | 6-0-0 | 2026-08-22 |
| Vanessa Demopoulos | 11-8-0 | 2026-09-26 |
| Viktoriia Dudakova | 8-2-0 | 2025-01-11 |
| Yadier del Valle | 11-1-0 | 2026-08-08 |
| Yuneisy Duben | 6-2-0 (1 NC) | 2026-06-06 |