| Name | Meaning | Gender | Origin |
|---|
| Brodie | Muddy place | Male | Gaelic |
| Brooklyn | Uncertain, perhaps broken land | Unisex | Dutch |
| Bruno | Armour | Male | Germanic |
| Bucket | | 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 |
| Buster | One that breaks up something | Unisex | American English |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Unisex | English |
| Buttons | | Unisex | Hebrew |
| Cain | A spear | Male | Hebrew |
| Calvin | Bald | Male | French |
| Casey | From Cayce | Male | American English |
| Charlie | Free man | Unisex | Germanic |
| Cheerio | Brand of breakfast cereal | Unisex | English |
| Chester | Camp | Male | Latin |
| Chi | Tree twig or branch | Male | Vietnamese |
| Chica | Pet Name Meaning Little Girl. | Unisex | English |
| Chipper | Lively spirits, cheerful. Chip off the old block. | Unisex | English |
| Cinder | | Unisex | Hebrew |
| Cliff | Cliff ford | Male | English |
| Coco | A Pet Name. | Unisex | French |
| Cody | Descendant of Cuidighthigh | Male | Gaelic |
| Cooper | Barrel maker | Male | English |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Unisex | English |
| Corey | God's peace | Male | Germanic |
| Coy | Quiet person | Unisex | English |
| Crimson | Crimson, red | Unisex | English |
| Cuddles | To nestle or snuggle. | Unisex | English |
| Cupcake | Small cake baked in a cup shaped container | Unisex | English |
| Cupid | Desire | Unisex | Latin |