| Name | Meaning | Gender | Origin |
|---|
| Belinda | Beautiful serpent | Female | Latin |
| Bella | My God is a vow | Female | Hebrew |
| Benito | Blessed | Male | Latin |
| Beowulf | Bee wolf | Unisex | Germanic |
| Bernadette | Bear brave | Female | Germanic |
| Bernardo | Bear brave | Male | Germanic |
| Bertha | Famous | Female | Germanic |
| Biggie | | Unisex | Hebrew |
| Birkita | Strong | Female | English |
| Blade | Wealthy Glory | Male | English |
| Blanca | White | Female | Spanish |
| Blaze | Stuttering | Unisex | Latin |
| Bluto | | Unisex | Hebrew |
| Bolt | | Unisex | Hebrew |
| Bonita | Pretty | Female | Spanish |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | English |
| Boris | Battle, fight | Male | Slavonic |
| Brisa | Breeze | Female | Spanish |
| Bruiser | A large heavyset man | Unisex | English |
| Bruno | Armour | Male | Germanic |
| Brutus | Heavy, slow, foolish | Male | Latin |
| Bubba | | Unisex | Hebrew |
| Buck | He-goat | Male | English |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Unisex | English |
| Bully | An overbearing person, a ruffian | Unisex | English |
| Buster | One that breaks up something | Unisex | American English |
| Butch | Masculine in appearance or manner. | Unisex | American English |
| Caesar | Long Hair | Male | Latin |
| Calypso | Conceal | Female | Greek |
| Capone | | Unisex | Hebrew |