| Name | Meaning | Gender | Origin |
|---|
| Ace | One | Male | Latin |
| Andy | Man, warrior | Male | Greek |
| Angus | One choice | Male | Gaelic |
| Auggie | | Unisex | Hebrew |
| Bali | On the contrary | Male | Swahili |
| Baloo | | Unisex | Hebrew |
| Bandit | An outlaw or robber | Unisex | English |
| Bear | Large mammal with large head, bulky body and coarse thick fur | Unisex | English |
| Beau | Handsome | Male | French |
| Beauregard | Beautiful gaze | Male | French |
| Big | Of considerable size. | Unisex | English |
| Bill | Will, desire and helmet, protection | Male | Germanic |
| Bingo | A game where numbers are drawn and announced by a caller | Unisex | English |
| Bitsy | | Unisex | Hebrew |
| Blade | Wealthy Glory | Male | English |
| 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 |
| Brian | Noble, strong, virtuous | Male | Gaelic |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Buckles | | 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 |
| Bumper | | Unisex | Hebrew |
| Buster | One that breaks up something | Unisex | American English |
| Butch | Masculine in appearance or manner. | Unisex | American English |