| Name | Meaning | Gender | Origin |
|---|
| Bella | Beautiful
| Female | English |
| Belladonna | beautiful woman | Unisex | |
| Belle | Beautiful woman | Female | Short |
| Benjamin | son of my right hand | Male | Hebrew |
| Bernard | bold as a bear | Male | |
| Bianca | white | Female | Italian |
| Billy | resolute protection | Male | English |
| Bingo | A game where numbers are drawn and announced by a caller | Male | Word |
| Birdie | bird | Female | English |
| Biscuit | A cookie or cracker | Unisex | |
| Blackie | Of the colour black. | Unisex | |
| 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 |
| Bliss | intense happiness | Male | English |
| Blondie | One with golden coloured hair | Male | |
| Blue | A colour between green and indigo. Gloomy or depressed. | Male | Color |
| Bobby | bright fame | Male | English |
| BooBoo | | Unisex | Hebrew |
| Booger | | Unisex | Hebrew |
| Boots | | Male | Hebrew |
| Bradley | broad meadow | Male | English |
| Braxton | Brock's settlement | Male | English |
| Brett | a native of Brittany, Briton | Male | Celtic |
| Briana | She ascends. Feminine of Brian.
| Female | Feminine |
| Brianna | She ascends. Feminine of Brian.
| Female | Feminine |