| Name | Meaning | Gender | Origin |
|---|
| Bubba | | Male | Hebrew |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Male | |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Male | |
| Buddha | | Unisex | Hebrew |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Bunny | little rabbit | Female | Nickname |
| Buster | One that breaks up something | Male | Modern |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Female | |
| Button | | Unisex | Hebrew |
| Buzby | | Male | Hebrew |
| Cadbury | Brand of chocolate | Unisex | |
| Cali | Most beautiful
| Female | English |
| Callie | Lark
| Female | Greek |
| Calypso | Greek for concealor. A type of music originating in the West Indies. Also a satellite of Saturn. | Male | Greek |
| Cappucino | | Male | |
| Casanova | A man who is gallantly attentive to women. | Male | |
| Casper | Master of the treasure | Male | Dutch |
| Castor | pious one | Male | Greek |
| Catsby | | Male | Hebrew |
| Chanel | canal | Female | |
| Charlemagne | | Unisex | Hebrew |
| Charlie | a man: variant of Carl.
| Male | English |
| Chester | fortress, walled town, | Male | Latin |
| Chili | | Male | Hebrew |