| Name | Meaning | Gender | Origin |
| Bennie | Son of my right hand | Male | Hebrew |
| Berenice | Victory bringer | Female | Greek |
| Beryl | Blue-green | Male | Greek |
| Bianca | White | Female | Italian |
| Bijou | Jewel | Unisex | French |
| Billie | Will, desire and helmet, protection | Unisex | Germanic |
| Bjorn | Bear | Male | Norse |
| Blanche | White | Female | French |
| Bo | Handsome | Female | French |
| Bobbi | Bright fame | Female | Germanic |
| Bobby | Bright fame | Unisex | Germanic |
| Bolt | | Unisex | Hebrew |
| Boris | Battle, fight | Male | Slavonic |
| Brandy | Burning wine | Female | English |
| Bree | The exalted one | Female | Gaelic |
| Breezy | From Briseis The Woman Achilles Loved In Homer's Iliad. | Unisex | English |
| Briar | Thorny plant | Unisex | English |
| Brittany | Land of the Britons | Female | English |
| Bronwyn | White breast | Female | Welsh |
| Brook | A brook, stream | Female | 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 |
| Bruno | Armour | Male | Germanic |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Buck | He-goat | Male | English |
| Buddy | Herald | Male | English |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Unisex | English |
| Buster | One that breaks up something | Unisex | American English |
| Cache | | Unisex | Hebrew |
| Caesar | Long Hair | Male | Latin |
| Cain | A spear | Male | Hebrew |