| Name | Meaning | Gender | Origin |
|---|
| Clubs | | Unisex | |
| Coco | A pet name.
| Female | Spanish |
| Coco | A pet name.
| Female | Spanish |
| Coco | A pet name.
| Female | Spanish |
| Connie | Constant, Firm | Male | English |
| Cordelia | In Shakespeare's King Lear a woman of rare honesty.
| Female | Latin |
| Corinna | maiden | Female | Greek |
| Cosmo | Order, universe.
| Male | Italian |
| Cotton | | Male | Hebrew |
| Crookshanks | Hermione's cat in the Harry Potter books | Unisex | |
| Crookshanks | | Unisex | Hebrew |
| Cub | | Unisex | |
| Dab | | Male | |
| Daffodil | | Female | |
| Dakota | Friend: ally. Tribal name.
| Female | Place-name |
| Dalila | Delicate
| Female | Swahili |
| Dallas | Dwells by the waterfall
| Male | Place-name |
| Dalyell | From the little field
| Male | |
| Damian | Tame
| Male | Greek |
| Dantel | Enduring. The poet Dante Alighieri wrote The Divine Comedy with its graphic description of medieval Hell known as Dante's Inferno.
| Male | |
| Darach | Oak
| Male | |
| Debbie | Bee. Deborah was the Biblical prophetess who summoned Barak to battle against an army of invaders. After the battle she wrote a victory song which is part of the Book of Judges.
| Female | Short |
| Debra | Bee. Deborah was the Biblical prophetess who summoned Barak to battle against an army of invaders. After the battle she wrote a victory song which is part of the Book of Judges.
| Female | Spelling |
| Denver | green valley | Male | English |
| Derek | and brother Domino, from the '70s rock group Derek and the Dominoes | Male | English |