| Name | Meaning | Gender | Origin |
|---|
| Bettina | Consecrated to God | Female | English |
| Bianca | white | Female | Italian |
| Bono | All Good | Male | English |
| Bruno | Brown
| Male | |
| Bruno | Brown
| Male | |
| Callie | Lark
| Female | Greek |
| Callisto | A satellite of the planet Jupiter. | Unisex | |
| Calvina | Feminine form of Calvino bald
| Female | Latin |
| Calvino | Bald
| Male | |
| Camilla | young ceremonial attendant | Female | Latin |
| Camillo | Young Ceremonial Attendant | Unisex | Italian |
| Carla | Manly | Female | Italian |
| Carlo | French from German, free man | Male | Italian |
| Cassandra | prophet of doom | Female | Greek |
| Caterina | Greek, pure | Female | Italian |
| Cecilia | blind one | Female | Latin |
| Celia | heavenly | Female | Latin |
| Charlie | a man: variant of Carl.
| Male | English |
| Chiara | light, clear | Female | Italian |
| Chloe | Fresh young blossom, Greek for blooming | Female | Greek |
| Clara | bright, clear | Female | Latin |
| Claudia | Feminine of Claude.
| Female | Latin |
| Cleo | From Cleopatra - Her father's glory | Female | Greek |
| Cleo | From Cleopatra - Her father's glory | Female | Greek |
| Cosmo | Order, universe.
| Male | Italian |