| Name | Meaning | Gender | Origin |
|---|
| Badger | Burrowing mammal with white stripe on forehead. Also verb to pester or harass. | Unisex | English |
| Bandit | An outlaw or robber | Unisex | English |
| Bear | Large mammal with large head, bulky body and coarse thick fur | Unisex | English |
| Beast | | Unisex | Hebrew |
| Beatrice | Voyager through life | Female | Latin |
| Beauty | One that is beautiful, especially a woman | Unisex | English |
| Bella | My God is a vow | Female | Hebrew |
| Belle | Beautiful | Female | French |
| Blackberry | Prickly shrub with small edible berries | Unisex | English |
| Blackie | Of the colour black. | Unisex | English |
| Blackjack | A leather covered hand weapon. A card game | Unisex | English |
| Bluto | | Unisex | Hebrew |
| Bobbi | Bright fame | Female | Germanic |
| Bobby | Bright fame | Unisex | Germanic |
| Boots | | Unisex | Hebrew |
| Brandy | Burning wine | Female | English |
| Brenna | Hill | Female | Welsh |
| Brooklyn | Uncertain, perhaps broken land | Unisex | Dutch |
| Brownie | Moist chocolate cake with nuts | Unisex | English |
| Bryanna | Noble, strong, virtuous | Female | Gaelic |
| Bubba | | Unisex | Hebrew |
| Bubble | | Unisex | Hebrew |
| Bubblegum | | Unisex | Hebrew |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Bubo | | Unisex | Hebrew |
| Bucky | | 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 |
| 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 |
| Cadbury | Brand of chocolate | Unisex | English |