| Name | Meaning | Gender | Origin |
|---|
| Azrael | God is my aid | Female | Hebrew |
| Bacchus | To shout | Unisex | Greek |
| Baloo | | Unisex | Hebrew |
| Bandit | An outlaw or robber | Unisex | English |
| Barkley | | Unisex | Hebrew |
| Bear | Large mammal with large head, bulky body and coarse thick fur | Unisex | English |
| Bella | My God is a vow | Female | Hebrew |
| Belle | Beautiful | Female | French |
| Berry | A berry | Unisex | English |
| Bijou | Jewel | Unisex | French |
| Bilbo | | Unisex | Hebrew |
| Bingo | A game where numbers are drawn and announced by a caller | Unisex | English |
| Blaze | Stuttering | Unisex | Latin |
| Bling | | Unisex | Hebrew |
| Bliss | Supreme happiness | Female | English |
| Blossom | Blossom, flower | Female | English |
| Blue | Blue | Unisex | English |
| Bobby | Bright fame | Unisex | Germanic |
| Bolt | | Unisex | Hebrew |
| Bonnie | Pretty | Female | English |
| Boo | | Unisex | Hebrew |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | English |
| Bree | The exalted one | Female | Gaelic |
| Brooklyn | Uncertain, perhaps broken land | Unisex | Dutch |
| Brownie | Moist chocolate cake with nuts | Unisex | English |
| Bruiser | A large heavyset man | Unisex | English |
| Bryn | Hill | Female | Welsh |
| Bubba | | Unisex | Hebrew |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Unisex | English |
| Bumper | | Unisex | Hebrew |