| Name | Meaning | Gender | Origin |
|---|
| Booker | A bleacher of cloth | Male | English |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | English |
| Boone | Good | Male | French |
| Bootsy | | Unisex | Hebrew |
| Boston | Botolph's town | Unisex | English |
| Bradley | Broad wood | Male | English |
| Brady | Descendant of Brádach | Unisex | Gaelic |
| Brandy | Burning wine | Female | English |
| Branson | Sword | Male | Germanic |
| Brittany | Land of the Britons | Female | English |
| Bronson | Brown's son | 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 |
| Bruiser | A large heavyset man | Unisex | English |
| Bruno | Armour | Male | Germanic |
| Brutus | Heavy, slow, foolish | Male | Latin |
| Bubba | | Unisex | Hebrew |
| Buck | He-goat | Male | English |
| Buddy | Herald | Male | English |
| Bugsy | | Unisex | Hebrew |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Unisex | English |
| Bumper | | Unisex | Hebrew |
| Buster | One that breaks up something | Unisex | American English |
| Buzz | To move quickly and busily, to bustle | Male | English |
| Cadbury | Brand of chocolate | Unisex | English |
| Cadence | Rhythm | Female | English |
| Cali | Most beautiful | Female | English |
| Callie | Most beautiful | Female | Greek |
| Cameo | Delicate,carved relief | Unisex | English |
| Candy | Honest | Female | Latin |
| Capone | | Unisex | Hebrew |