| Name | Meaning | Gender | Origin |
|---|
| Brodie | Muddy place | Male | Gaelic |
| Bruiser | A large heavyset man | Unisex | English |
| Bruno | Armour | Male | Germanic |
| Brutus | Heavy, slow, foolish | Male | Latin |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Buddy | Herald | Male | 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 |
| Buzz | To move quickly and busily, to bustle | Male | English |
| Cadbury | Brand of chocolate | Unisex | English |
| Caesar | Long Hair | Male | Latin |
| Cain | A spear | Male | Hebrew |
| Casey | From Cayce | Male | American English |
| Cash | Cash | Unisex | English |
| Casper | Treasurer | Male | Persian |
| Chance | Good fortune | Male | English |
| Chaos | Gaping void | Unisex | Greek |
| Charlie | Free man | Unisex | Germanic |
| Chewy | Needing chewing. | Unisex | English |
| Chico | Boy | Male | Spanish |
| Clemens | Merciful, mild, gentle | Male | Latin |
| Coco | A Pet Name. | Unisex | French |
| Cody | Descendant of Cuidighthigh | Male | Gaelic |
| Coffee | | Unisex | Hebrew |
| Comet | A celestial body | Unisex | English |
| Connie | Steadfast | Unisex | Latin |
| Cooper | Barrel maker | Male | English |
| Cosmo | Order | Male | Greek |
| Cowboy | | Unisex | Hebrew |
| Crash | To smash into things, to break or dash to pieces. To join a party without invitation. | Unisex | English |