| Name | Meaning | Gender | Origin |
|---|
| Cosmo | Order | Male | Greek |
| Crash | To smash into things, to break or dash to pieces. To join a party without invitation. | Unisex | English |
| Cujo | | Unisex | Hebrew |
| Curtis | Courteous | Male | English |
| Dalton | Town in the valley | Male | English |
| Daniel | God is my judge | Male | Hebrew |
| Dante | Enduring, obstinate | Male | Latin |
| Darius | Maintain well | Male | Persian |
| Darren | Burnt land | Male | Welsh |
| Darth | | Unisex | Hebrew |
| Darwin | Dear friend | Male | English |
| David | Beloved | Male | Hebrew |
| Delbert | Proud: Noble: Bright. | Male | Germanic |
| Dennis | God of wine | Male | Greek |
| Desmond | Man from south Munster | Male | Gaelic |
| Dewey | Place-Name And Surname: Welsh Form Of David. | Male | English |
| Dexter | Dyer of cloth | Male | English |
| Digby | Dyke farm, dyke settlement | Male | English |
| Donovan | Dark chieftain | Male | Gaelic |
| Dorian | Descendant Of Dorus. Dorian Was A Character In Oscar Wilde's Novel The Picture Of Dorian Gray Who Was Given His Wish That His Portrait Would Age While He Remained Young And Handsome. | Male | Literary |
| Drake | Snake, dragon | Male | English |
| Dudley | Wood or clearing of Dudda | Male | English |
| Duncan | Brown chief | Male | Gaelic |
| Dunstan | Dark stone | Male | English |
| Dwayne | Dark, black | Male | Gaelic |
| Dwight | Mountain of Zeus | Male | English |
| Edgar | Protector of the good | Male | English |
| Edison | Edward’s son | Male | English |
| Edmund | Prosperous protection | Male | English |
| Egbert | Shining sword | Male | Germanic |