| Name | Meaning | Gender | Origin |
|---|
| Barclay | Birch clearing | Male | English |
| Barkley | | Unisex | Hebrew |
| Barry | Spear | Male | Gaelic |
| Bart | Son of Talmai | Male | Greek |
| Beaman | Lovely hill | Male | French |
| Beamer | Trumpeter | Unisex | English |
| Beau | Handsome | Male | French |
| Ben | Son | Male | Hebrew |
| Benito | Blessed | Male | Latin |
| Bernard | Bear brave | Male | Germanic |
| Bert | Bright | Male | Germanic |
| Bertus | | Unisex | Hebrew |
| Bill | Will, desire and helmet, protection | Male | Germanic |
| Billie | Will, desire and helmet, protection | Unisex | Germanic |
| Billy | Will, desire and helmet, protection | Male | Germanic |
| Bjorn | Bear | Male | Norse |
| Blade | Wealthy Glory | Male | English |
| Blitz | | Unisex | Hebrew |
| Blue | Blue | Unisex | English |
| Bob | Bright fame | Male | Germanic |
| Bobby | Bright fame | Unisex | Germanic |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | English |
| Boris | Battle, fight | Male | Slavonic |
| Bowie | Yellow | Male | Gaelic |
| Brad | Broad wood | Male | English |
| Brady | Descendant of Brádach | Unisex | Gaelic |
| Bram | Father of a multitude or many nations | Male | Hebrew |
| Branch | Branch | Male | English |
| Brant | Sword | Male | Germanic |
| Braulio | Shining, firey | Male | Germanic |