| Name | Meaning | Gender | Origin |
|---|
| Beauty | One that is beautiful, especially a woman | Unisex | English |
| Bella | My God is a vow | Female | Hebrew |
| Belle | Beautiful | Female | French |
| Ben | Son | Male | Hebrew |
| Biscuit | A cookie or cracker | Unisex | English |
| Blaze | Stuttering | Unisex | Latin |
| Blue | Blue | Unisex | English |
| Bobbi | Bright fame | Female | Germanic |
| Bobby | Bright fame | Unisex | Germanic |
| Bojangles | | Unisex | Hebrew |
| Bonnie | Pretty | Female | English |
| Bonsai | The art of growing dwarfed ornamental trees and shrubs. | Unisex | English |
| Brad | Broad wood | Male | English |
| Brandon | Broom hill | Male | English |
| Brandy | Burning wine | Female | English |
| Brenda | Sword | Female | Norse |
| Brewster | Brewer of beer | Male | English |
| Brodie | Muddy place | Male | Gaelic |
| Brody | Muddy place | Male | Gaelic |
| Brooklyn | Uncertain, perhaps broken land | Unisex | Dutch |
| Bruno | Armour | Male | Germanic |
| Bubba | | Unisex | Hebrew |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Buddy | Herald | Male | English |
| Bugsy | | Unisex | Hebrew |
| Bunny | Little rabbit | Female | English |
| Burton | Fort town | Male | English |
| Buster | One that breaks up something | Unisex | American English |
| Butch | Masculine in appearance or manner. | Unisex | American English |
| Butter | | Unisex | Hebrew |