| Name | Meaning | Gender | Origin |
|---|
| Comet | A celestial body | Female | Nature |
| Copernicus | | Unisex | Hebrew |
| Cordelia | In Shakespeare's King Lear a woman of rare honesty.
| Female | Latin |
| Corona | Brand of Mexican beer | Female | Spanish |
| Cosmo | Order, universe.
| Male | Italian |
| Crescent | one who creates | Female | |
| Cresent | | Unisex | Hebrew |
| Cressida | gold | Female | Greek |
| Cygnus | | Unisex | Hebrew |
| Daniel | my judge is the Lord | Male | Hebrew |
| Dara | compassion, wisdom, angel of rains and rivers | Male | Irish |
| Data | | Unisex | Hebrew |
| Dawn | Early riser
| Female | Word |
| Deimos | Fear, terror | Unisex | Greek |
| Desdemona | ill-fated one, misery | Female | Greek |
| Diana | divine | Female | Latin |
| Diane | divine | Female | |
| Dianna | Divine. Mythological ancient Roman divinity Diana was noted for beauty and swiftness: often depicted as a huntress. Also Diana Princess of Wales.
| Female | |
| Dianne | divine | Female | Spelling |
| Dirk | English from German form of THEODORIC, the people's ruler | Male | Flemish |
| Draco | Dragon | Male | Italian |
| Earth | | Unisex | Hebrew |
| Eartha | The earth.
| Female | English |
| Electra | bright, the shining one | Female | Greek |
| Eris | Strife Goddess | Unisex | Greek |