| Name | Meaning | Gender | Origin |
|---|
| Bindy | Beautiful Serpent, Beautiful And Tender | Unisex | English |
| Binky | | Unisex | Hebrew |
| Birch | Birch | Male | English |
| Bisto | | Unisex | Hebrew |
| Blackberry | Prickly shrub with small edible berries | Unisex | English |
| Blackie | Of the colour black. | Unisex | English |
| Blazer | | Unisex | Hebrew |
| Blythe | Joyous | Female | English |
| Bob | Bright fame | Male | Germanic |
| Bobby | Bright fame | Unisex | Germanic |
| Bond | Peasant farmer | Male | English |
| Bongo | Connected drums played by beating with hands. | Unisex | English |
| Bonnie | Pretty | Female | English |
| Bonsai | The art of growing dwarfed ornamental trees and shrubs. | Unisex | English |
| Booker | A bleacher of cloth | Male | English |
| Bossy | | Unisex | Hebrew |
| Bows | | Unisex | Hebrew |
| Brandy | Burning wine | Female | English |
| Breezy | From Briseis The Woman Achilles Loved In Homer's Iliad. | Unisex | English |
| Brenda | Sword | Female | Norse |
| Brisby | | Unisex | Hebrew |
| Bristol | Bridge | Male | English |
| Bronson | Brown's son | Male | English |
| Brook | A brook, stream | Female | English |
| Brown | Brown | Male | English |
| Bruce | Surname Since Medieval Times: Now A Common Given Name. Folklore Tale Of 14Th Century Robert King Of Scotland: (The Bruce) Who Learned The Value Of Perseverance From Watching A Spider Spin A Web. | Male | English |
| Brutus | Heavy, slow, foolish | Male | Latin |
| Buck | He-goat | Male | English |
| Buddy | Herald | Male | English |
| Bugsy | | Unisex | Hebrew |