| Name | Meaning | Gender | Origin |
|---|
| Buddy | From Budd - The welcome messenger. | Male | English |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Bumpkin | | Unisex | Hebrew |
| Bunny | little rabbit | Female | Nickname |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Female | |
| Butterfly | Butterfly | Female | English |
| Butterscotch | | Male | Hebrew |
| Button | | Unisex | Hebrew |
| Buzz | To move quickly and busily, to bustle | Male | Modern |
| Caleb | The bold one | Male | Hebrew |
| Candy | Confectionery made with sugar. | Female | English |
| Candyman | | Unisex | Hebrew |
| Captain | One who commands or leads others. Officer in command of ship, aircraft, police or fire station. | Male | |
| Cara | friend | Female | Latin |
| Caradoc | Dearly loved
| Male | Welsh |
| Cari | Flows Like Water | Unisex | Turkish |
| Carthach | Loving
| Male | |
| Carthage | Loving
| Male | |
| Cary | honest one, shy | Male | Latin |
| Casanova | A man who is gallantly attentive to women. | Male | |
| Champ | A champion. | Male | |
| Charity | Affection, Charity, Brotherly Love | Female | Latin |
| Cheeky | Bold, impudent and saucy | Unisex | |
| Cher | beloved | Female | |
| Chere | Variant Of Cherie Dear One;Darling | Unisex | French |