| Name | Meaning | Gender | Origin |
|---|
| Bucket | | Unisex | Hebrew |
| Bud | Brother. Nickname Used Since Medieval Times. | Male | English |
| Buddy | Herald | Male | English |
| Bugsy | | Unisex | Hebrew |
| 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 |
| Caesar | Long Hair | Male | Latin |
| Calamity | | Unisex | Hebrew |
| Carson | Son Of Carr | Male | Gaelic |
| Casey | From Cayce | Male | American English |
| Casper | Treasurer | Male | Persian |
| Cassidy | Curly | Male | Gaelic |
| Chad | Defense | Male | English |
| Charlie | Free man | Unisex | Germanic |
| Chase | Huntsman | Male | English |
| Chelsey | Chalk landing place | Unisex | English |
| Chewy | Needing chewing. | Unisex | English |
| Chip | Free man | Male | German |
| Chumley | | Unisex | Hebrew |
| Cliff | Cliff ford | Male | English |
| Coco | A Pet Name. | Unisex | French |
| Cocoa | Cocoa Jumbo | Unisex | English |
| Coda | Passage at the end of a composition that brings it to a close. | Unisex | English |
| Cody | Descendant of Cuidighthigh | Male | Gaelic |
| Cola | Charcoal | Unisex | English |
| Comet | A celestial body | Unisex | English |
| Connor | Lover of hounds | Male | Gaelic |
| Cookie | A small flat, crisp cake | Unisex | English |
| Cooper | Barrel maker | Male | English |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Unisex | English |