| Name | Meaning | Gender | Origin |
|---|
| Barkley | | Unisex | Hebrew |
| Bart | Son of Talmai | Male | Greek |
| Baxter | Baker | Male | English |
| Bear | Large mammal with large head, bulky body and coarse thick fur | Unisex | English |
| Bebe | Baby | Male | English |
| Beck | Dweller near the brook | Male | English |
| Bee | Bee | Unisex | English |
| Benjamin | Son of my right hand | Male | Hebrew |
| Berkeley | Birch clearing | Male | English |
| Berkley | Birch clearing | Unisex | English |
| Bernard | Bear brave | Male | Germanic |
| Berne | Bear brave | Unisex | Germanic |
| 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 |
| 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 |
| 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 |
| Breezy | From Briseis The Woman Achilles Loved In Homer's Iliad. | Unisex | English |
| Brisby | | Unisex | Hebrew |
| Bristol | Bridge | Male | English |