| Name | Meaning | Gender | Origin |
|---|
| Beelzebub | Bee EL zah BUB | Unisex | |
| Bela | named after Bela Lugosi and pronounced: BAY-la | Male | Czech |
| Bell | ringer of the bell | Male | English |
| Belladonna | beautiful woman | Unisex | |
| Bewitched | | Unisex | Hebrew |
| Binks | black cat in the movie Hocus Pocus | Unisex | |
| Black Bart | | Male | Hebrew |
| Black Ice | | Unisex | Hebrew |
| Blackie | Of the colour black. | Unisex | |
| Blackjack | A leather covered hand weapon. A card game | Unisex | |
| Blade | glory, The expanded part of a leaf, particularly grasses | Male | Word |
| Blake | fair-haired, pallid | Male | English |
| Blaze | Lisp: stutter. Blaise Pascal was a brilliant seventeenth century child prodigy: mathematician: scientist and philosopher who invented the calculating machine and hydraulic press before dying at age thirty-nine.
| Male | Latin |
| Bluebeard | | Unisex | Hebrew |
| Bob | bright, famous | Male | English |
| Bogie | | Male | Hebrew |
| Bones | after doctor in Star Trek | Unisex | |
| Bonfire | | Unisex | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo Boo | | Unisex | Hebrew |
| Boo Kitty | | Unisex | Hebrew |
| Boone | a blessing | Male | English |