| Name | Meaning | Gender | Origin |
|---|
| Auggie | | Unisex | Hebrew |
| Baloo | | Unisex | Hebrew |
| Bandit | An outlaw or robber | Unisex | English |
| Bear | Large mammal with large head, bulky body and coarse thick fur | Unisex | English |
| Big | Of considerable size. | Unisex | English |
| Bingo | A game where numbers are drawn and announced by a caller | Unisex | English |
| Bitsy | | Unisex | Hebrew |
| Blondie | Pale yellowish-brown | Unisex | French |
| Blue | Blue | Unisex | English |
| Bolt | | Unisex | Hebrew |
| Bonkers | | Unisex | Hebrew |
| Boo | | Unisex | Hebrew |
| Boomerang | | Unisex | Hebrew |
| Boots | | Unisex | Hebrew |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Buckles | | Unisex | Hebrew |
| 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 |
| Bumper | | Unisex | Hebrew |
| Buster | One that breaks up something | Unisex | American English |
| Butch | Masculine in appearance or manner. | Unisex | American English |
| Buttons | | Unisex | Hebrew |
| Charlie | Free man | Unisex | Germanic |
| Chewy | Needing chewing. | Unisex | English |
| Chief | One in highest rank or authority. | Unisex | English |
| Chopper | Slang for helicopter. One who chops or cuts. | Unisex | English |
| Chowder | | Unisex | Hebrew |
| Chum | | Unisex | Hebrew |
| Clown | | Unisex | Hebrew |
| Comet | A celestial body | Unisex | English |
| Copper | A reddish brown metal - as in copper penny coins. Also slang for a police officer. | Unisex | English |