| Name | Meaning | Gender | Origin |
|---|
| Bubo | | Unisex | Hebrew |
| Buckley | Ram's clearing | Male | English |
| Bucky | | Unisex | Hebrew |
| Buddy | Herald | Male | English |
| Bug | An insect. A disease-producing microorganism. An error in coding or logic that causes a malfunction in a computer a program. An electronic listening device. An enthusiasm. Slang for annoy. | Unisex | English |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Unisex | English |
| Buster | One that breaks up something | Unisex | American English |
| Cadbury | Brand of chocolate | Unisex | English |
| Caelyn | Slender | Female | Gaelic |
| Caesar | Long Hair | Male | Latin |
| Cain | A spear | Male | Hebrew |
| Candy | Honest | Female | Latin |
| Carden | Thistle | Male | English |
| Casey | From Cayce | Male | American English |
| Cassie | She who entangles men | Female | Greek |
| Cece | Blind | Female | Latin |
| Celia | Heaven | Female | Latin |
| Cera | From seraphim, meaning fiery ones. | Unisex | Latin |
| Cha-cha | | Unisex | Hebrew |
| Chachi | | Unisex | Hebrew |
| Champagne | French region | Unisex | French |
| Chanel | Channel, pipe | Female | French |
| Chaos | Gaping void | Unisex | Greek |
| Charity | Charity | Female | English |
| Charley | Free man | Unisex | German |
| Charlie | Free man | Unisex | Germanic |
| Charlotte | Free man | Female | Germanic |
| Charu | Lovely | Female | Sanskrit |
| Chastity | Chastity | Female | English |
| Checkers | | Unisex | Hebrew |