Sorted alphabetically by last name · 2769 fighters
| Name | Nickname | |
|---|---|---|
| DS | Don Shainis | "Shameless" |
| DM | Don'Tale Mayes | "Lord Kong" |
| DC | Donald Cerrone | "Cowboy" |
| DH | Dong Hyun Kim | "Stun Gun" |
| DH | Dong Hyun Ma | "Maestro" |
| DC | DongHun Choi | |
| DY | Dongi Yang | "The Ox" |
| DC |
| DW | Donny Walker | "Eagle Eye" |
| DJ | Donte Johnson | "Lock Jaw" |