| Creola | - | American Name | Cricket | - | American Name |
| Cualli | - | Nahuatl Name | Cullen | - | Irish Name |
| Cutler | - | English Name | Dabareh | - | Biblical Name |
| Dale | - | English Name | Dallas | - | Scottish Name |
| Dane | - | English Name | Darda | - | Biblical Name |
| Darren | - | Irish Name | Darryl | - | French Name |
| Day | - | American Name | Debir | - | Biblical Name |
| December | - | American Name | Delaney | - | Irish Name |
| Denim | - | American Name | Denver | - | American Name |
| Deon | - | American Name | Desi | - | Latin Name |
| Devon | - | Irish Name | Diamond | - | English Name |
| Diblaim | - | Biblical Name | Dibri | - | Biblical Name |
| Diem | - | Latin Name | Diklah, Dildah | - | Biblical Name |
| Dillian | - | American Name | Dinhabah | - | Biblical Name |
| Donovan | - | Irish Name | Dophkah | - | Biblical Name |
| Drew | - | English Name | Dru | - | American Name |
| Duncan | - | Scottish Name | Dustin | - | German Name |
| Dusty | - | English Name | Dylan | - | Welsh Name |
| Echa | - | Chamoru Name | Eder | - | Biblical Name |
| Edlyn | - | Anglo Name | Eleuia | - | Nahuatl Name |
| Elihu | - | Biblical Name |
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