| Name | Meaning | Gender | Origin |
|---|
| Bitt | | Unisex | Hebrew |
| Bittan | Desire
| Male | |
| Black Orchid | | Female | |
| Blackberry | Prickly shrub with small edible berries | Female | |
| Blackjack | A leather covered hand weapon. A card game | Unisex | |
| Blaine Anderson | | Unisex | Hebrew |
| Blais | 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. | Unisex | French |
| 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 |
| Blossom | lovely, A flower or cluster of flowers | Female | English |
| Blue | A colour between green and indigo. Gloomy or depressed. | Male | Color |
| Blue Kitty | | Unisex | Hebrew |
| Bluebelle | | Unisex | Hebrew |
| Blur | | Male | Hebrew |
| Bo | Nickname made popular by actress Bo Derek.
| Male | Norse |
| Bob The Builder | | Unisex | Hebrew |
| Boby | | Unisex | Hebrew |
| Bodhi | awakening, enlightenment | Male | Sanskrit |
| Bogie | | Male | Hebrew |
| Bonnie | sweet and good | Female | Scottish |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo | | Male | Hebrew |
| Boo-Boo | | Unisex | Hebrew |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | |