| Name | Meaning | Gender | Origin |
|---|
| Barnabas | Son of consolation | Male | Hebrew |
| Bat | Strong | Male | Mongolian |
| Batman | A fictional superhero appearing in American comic books published by DC Comics | Both | Hebrew |
| Beast | | Unisex | Hebrew |
| Beatrix | Voyager through life | Female | Latin |
| Bela | Within | Female | Hungarian |
| Bell | Unisexual Name Meaning "Beauty." | Unisex | English |
| Bella | My God is a vow | Female | Hebrew |
| Belladonna | Beautiful woman | Female | Italian |
| 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 |
| Blade | Wealthy Glory | Male | English |
| Blair | Plain | Male | Gaelic |
| Blake | Dark | Male | English |
| Blaze | Stuttering | Unisex | Latin |
| Bluebeard | | Unisex | Hebrew |
| Bob | Bright fame | Male | Germanic |
| Boo | | Unisex | Hebrew |
| Boone | Good | Male | French |
| Boris | Battle, fight | Male | Slavonic |
| Bram | Father of a multitude or many nations | Male | Hebrew |
| Bran | Raven | Male | Welsh |
| Bronwyn | White breast | Female | Welsh |
| Brunhilda | Battle armour | Unisex | Germanic |
| Butterscotch | | Unisex | Hebrew |
| Cain | A spear | Male | Hebrew |
| Callie | Most beautiful | Female | Greek |
| Calliope | Beautiful voice | Female | Greek |
| Candie | Fire-white | Female | Greek |