| Name | Meaning | Gender | Origin |
| Bella | My God is a vow | Female | Hebrew |
| Berkley | Birch clearing | Unisex | English |
| Berne | Bear brave | Unisex | Germanic |
| Bess | Diminutive Of Elizabeth. | Female | Hebrew |
| Bindy | Beautiful Serpent, Beautiful And Tender | Unisex | English |
| Binky | | Unisex | Hebrew |
| 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 |
| Bobby | Bright fame | Unisex | Germanic |
| 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 |
| 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 |
| Brook | A brook, stream | Female | English |
| Bugsy | | Unisex | Hebrew |
| Bunny | Little rabbit | Female | English |
| Buster | One that breaks up something | Unisex | American English |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Unisex | English |
| Buttons | | Unisex | Hebrew |
| Caden | Little Fighter. | Unisex | English |
| Cadence | Rhythm | Female | English |
| Cairo | Victorious one | Unisex | Arabic |