| Name | Meaning | Gender | Origin |
|---|
| Carlo | French from German, free man | Male | Italian |
| Caroline | strong, melody, song | Female | |
| Caspar | keeper of the treasure | Male | Persian |
| Catherine | pure | Female | Greek |
| Chet | fortress, walled town | Male | English |
| Christian | annointed, follows Christ | Male | Greek |
| Christina | anointed | Female | Greek |
| Christopher | Christ-bearer | Male | Greek |
| Claire | bright, clear | Female | |
| Clara | bright, clear | Female | Latin |
| Clarissa | bright, clear | Female | Latinized |
| Claudia | Feminine of Claude.
| Female | Latin |
| Claus | Spelling variation of Nicholas | Male | Scandinavian |
| Clause | | Unisex | Hebrew |
| Colin | Strong and virile; victorious army; youth, child, victor | Male | English |
| Conrad | brave counsel | Male | |
| Cyril | lordly, proud | Male | Greek |
| Dania | God is my judge | Female | Hebrew |
| Daniel | my judge is the Lord | Male | Hebrew |
| Daphne | laurel, bay tree, victory | Female | Greek |
| Dario | Rich
| Male | Italian |
| Darius | protector | Male | |
| David | Dearly loved
| Male | Hebrew |
| Deborah | a bee, to speak kind words | Female | Hebrew. |
| Denis | Mountain Of Zeus | Unisex | French |