| Name | Meaning | Gender | Origin |
|---|
| Buster | One that breaks up something | Male | Modern |
| Butler | Butler | Male | English |
| Caddie | One hired to carry golf clubs | Unisex | |
| Cadence | rhythm, beat | Female | Latin |
| Caesar | Title for Roman Emperors | Male | Latin |
| Caitlin | pure | Female | Irish |
| Caledonia | hard or rocky land | Female | Latin |
| Calida | Ardent
| Female | Spanish |
| Calloway | pebbly place | Male | Irish |
| Calypso | Greek for concealor. A type of music originating in the West Indies. Also a satellite of Saturn. | Male | Greek |
| Camden | from the winding valley | Male | Scottish |
| Camila | Attendant
| Female | Latin |
| Camilla | young ceremonial attendant | Female | Latin |
| Camille | young ceremonial attendant | Female | |
| Cammie | Young Ceremonial Attendant | Unisex | English |
| Cammy | Young Ceremonial Attendant | Unisex | English |
| Capri | | Female | |
| Caprice | fanciful, unpredictable | Female | |
| Cara | friend | Female | Latin |
| Carleton | Carl's town | Male | English |
| Carli | Manly | Unisex | English |
| Carlin | little champion | Male | Irish |
| Carlos | free man | Male | Spanish |
| Carlton | Free men's town.
| Male | |
| Carly | Little and womanly. Alternate Spelling: Carlie.
| Female | Feminine |