| Name | Meaning | Gender | Origin |
|---|
| Buck | He-goat | Male | English |
| Buckwheat | | 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 |
| Bull | The adult male of certain large animals like cattle and elephants | 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 |
| Cannon | Canon | Male | English |
| Cash | Cash | Unisex | English |
| Casper | Treasurer | Male | Persian |
| Cat | Catlike | Unisex | English |
| Chaos | Gaping void | Unisex | Greek |
| Charlie | Free man | Unisex | Germanic |
| Chewy | Needing chewing. | Unisex | English |
| Chica | Pet Name Meaning Little Girl. | Unisex | English |
| Chico | Boy | Male | Spanish |
| Chopper | Slang for helicopter. One who chops or cuts. | Unisex | English |
| Chub | | Unisex | Hebrew |
| Chubby | Rounded and plump | Unisex | English |
| Chunk | | Unisex | Hebrew |
| Chunky | Short, thick and stocky. Also means containing small pieces like chunky soup or stew. | Unisex | English |
| Cinder | | Unisex | Hebrew |
| Cloudy | | Unisex | Hebrew |
| Clyde | Refers To The Scottish Clyde River. | Male | Gaelic |
| Coco | A Pet Name. | Unisex | French |
| Cookie | A small flat, crisp cake | Unisex | English |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Unisex | English |
| Cotton | Woody hill | Unisex | Welsh |
| Cowboy | | Unisex | Hebrew |
| Creola | Possible to do with Creole | Unisex | American English |