| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Tiago | dos Santos e Silva | Trator | 5' 9" | 145 lbs. | 70.0" | Orthodox | 20 | 7 | 2 | |
| Oleksandr | Doskalchuk | 5' 6" | 125 lbs. | -- | Southpaw | 10 | 2 | 0 | ||
| David | Douglas | Tarzan | 5' 11" | 155 lbs. | -- | 9 | 7 | 0 | ||
| Damion | Douglas | -- | 170 lbs. | -- | 4 | 1 | 0 | |||
| Cedric | Doumbe | 5' 10" | 170 lbs. | -- | 2 | 0 | 0 | |||
| John | Dowdy | -- | -- | -- | 0 | 1 | 0 | |||
| Jordan | Dowdy | -- | 170 lbs. | -- | 4 | 3 | 0 | |||
| Danny | Downes | 6' 0" | 155 lbs. | 72.0" | Orthodox | 8 | 3 | 0 | ||
| Derek | Downey | 6' 1" | 185 lbs. | -- | Orthodox | 11 | 4 | 0 | ||
| John | Doyle | The Iron Bull | 5' 11" | 205 lbs. | -- | Orthodox | 11 | 22 | 0 | |
| Edson | Drago | 6' 4" | 220 lbs. | -- | Orthodox | 11 | 7 | 0 | ||
| Anthony | Drilich | 5' 5" | 125 lbs. | 65.0" | Southpaw | 8 | 2 | 0 | ||
| Kyle | Driscoll | KD | 5' 11" | 145 lbs. | 74.0" | Orthodox | 12 | 3 | 0 | |
| Chris | Drumm | 5' 8" | 145 lbs. | -- | 0 | 1 | 0 | |||
| Tomasz | Drwal | Gorilla | 6' 1" | 205 lbs. | 76.0" | Orthodox | 21 | 5 | 1 | |
| Robert | Drysdale | 6' 3" | 205 lbs. | -- | Orthodox | 7 | 0 | 0 | ||
| Dricus | Du Plessis | Stillknocks | 6' 1" | 185 lbs. | 76.0" | Switch | 22 | 2 | 0 |
|
| Hugo | Duarte | 6' 0" | 240 lbs. | -- | Orthodox | 6 | 3 | 0 | ||
| Antonio | Duarte | Tigre | 5' 7" | 135 lbs. | -- | 19 | 7 | 0 | ||
| Joe | Duarte | -- | 155 lbs. | -- | 10 | 4 | 0 | |||
| Yuneisy | Duben | 5' 4" | 125 lbs. | 65.0" | Orthodox | 6 | 0 | 0 | ||
| Matthieu | Duclos | 6' 3" | 185 lbs. | 77.0" | Orthodox | 6 | 3 | 0 | ||
| Emily | Ducote | Gordinha | 5' 2" | 115 lbs. | 63.0" | Orthodox | 13 | 9 | 0 | |
| Viktoriia | Dudakova | 5' 5" | 115 lbs. | 67.0" | Orthodox | 8 | 1 | 0 |