| Name | Meaning | Gender | Origin |
|---|
| Cindy | Abbreviation of Cynthia and Lucinda.
| Female | English |
| Clarence | bright | Male | Latin |
| Claude | Lame.
| Male | |
| Claudine | Feminine of Claude.
| Female | |
| Cloudy | | Male | Hebrew |
| Cordelia | In Shakespeare's King Lear a woman of rare honesty.
| Female | Latin |
| Coriander | | Unisex | |
| Cortana | A character from the video game Halo
| Female | |
| Cotton | | Male | Hebrew |
| Crookshanks | Hermione's cat in the Harry Potter books | Unisex | |
| Crookshanks | | Unisex | Hebrew |
| Cruiserweight | | Male | |
| Cub | | Unisex | |
| Curcio | Courteous
| Male | |
| Curro | Free
| Male | |
| Curtis | courteous, polite | Male | |
| Cutie | A cute character. | Female | |
| Cyntia | Variant of Greek name Cynthia - one of the names of the mythological mood goddess Artemis referring to her birth on Mount Cynthus.
| Female | |
| Da Vinci | | Unisex | Hebrew |
| Dakota | Friend: ally. Tribal name.
| Female | Place-name |
| Damh | Ox
| Male | |
| Damien | Calm, Tame | Unisex | French |
| Danilo | Variant of Daniel God is my judge.
| Male | Ukrainian |
| Dantae | Enduring. The poet Dante Alighieri wrote The Divine Comedy with its graphic description of medieval Hell known as Dante's Inferno.
| Male | |
| Dante | lasting | Male | Latin |