| Name | Meaning | Gender | Origin |
|---|
| Bruno | Armour | Male | Germanic |
| Brutus | Heavy, slow, foolish | Male | Latin |
| Bubba | | Unisex | Hebrew |
| Buddy | Herald | Male | English |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Unisex | English |
| Bully | An overbearing person, a ruffian | Unisex | English |
| Buster | One that breaks up something | Unisex | American English |
| Butch | Masculine in appearance or manner. | Unisex | American English |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Unisex | English |
| Butterscotch | | Unisex | Hebrew |
| Candy | Honest | Female | Latin |
| Capone | | Unisex | Hebrew |
| Cassie | She who entangles men | Female | Greek |
| Chance | Good fortune | Male | English |
| Chaos | Gaping void | Unisex | Greek |
| Charlie | Free man | Unisex | Germanic |
| Chelsea | Chalk landing place | Female | English |
| Chevy | Knight | Unisex | French |
| Chip | Free man | Male | German |
| Chomper | | Unisex | Hebrew |
| Chopper | Slang for helicopter. One who chops or cuts. | Unisex | English |
| Chubby | Rounded and plump | Unisex | English |
| Chubs | | Unisex | Hebrew |
| Chunky | Short, thick and stocky. Also means containing small pieces like chunky soup or stew. | Unisex | English |
| Cinnamon | A spice | Female | Greek |
| Cocoa | Cocoa Jumbo | Unisex | English |
| Cookie | A small flat, crisp cake | Unisex | English |
| Crusher | | Unisex | Hebrew |
| Cupid | Desire | Unisex | Latin |
| Daisy | Day's eye | Female | English |