| Name | Meaning | Gender | Origin |
|---|
| Betty Boo | | Unisex | Hebrew |
| Bilbo Baggins | One of the hobbits in J.R. Tolkien's novels.
| Male | |
| Bing | From the kettle shaped hollow
| Male | |
| Binks | black cat in the movie Hocus Pocus | Unisex | |
| Bitten | Desire
| Male | |
| Black Olive | | Unisex | Hebrew |
| Blackest | | Unisex | |
| Blackjack | A leather covered hand weapon. A card game | Unisex | |
| Blacktop | | Unisex | |
| 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 |
| Bloody Baron | | Unisex | |
| Blue | A colour between green and indigo. Gloomy or depressed. | Male | Color |
| Blur | | Male | Hebrew |
| Boogie | | Unisex | Hebrew |
| Boots | | Male | Hebrew |
| Bourbon | A whiskey distilled from fermented mash | Male | Word |
| Broden | Reference to Castle Brodie in Scotland.
| Male | |
| Broderick | son of Roderick, from the broad ridge | Male | Norse |
| Brycen | Variant of Bryce.
| Male | |
| Bryceton | Variant of Bryce.
| Male | |
| Bubba | | Male | Hebrew |
| Bubba | | Male | Hebrew |
| Buckwheat | | Unisex | Hebrew |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Buddy | From Budd - The welcome messenger. | Male | English |