Sorted alphabetically by last name · 2711 fighters
| Name | Nickname | |
|---|---|---|
| DT | Denis Tiuliulin | |
| DG | Denise Gomes | "Dee" |
| DB | Dennis Bermudez | "The Menace" |
| DB | Dennis Buzukja | "The Great" |
| DH | Dennis Hallman | "Superman" |
| DS | Dennis Siver | |
| DB | Denys Bondar | "Psycho" |
| DF | Denzel Freeman | "Luke Fox" |
| DT | Dequan Townsend | "The Tarantula" |
| DB | Derek Brunson | "The One" |