| Name | Meaning | Gender | Origin |
|---|
| Alfie | wise counselor | Male | English |
| Artemis | moon | Male | Greek |
| Ash | Ash tree.
| Male | English |
| Baby | A young animal. An object or personal concern or indulgence | Unisex | |
| Baby Ruth | | Unisex | Hebrew |
| Baci | Italian for "kisses". | Unisex | |
| Banshee | Female fairy spirit from Irish Gaelic folklore. | Unisex | |
| Barney | Comforter
| Male | English |
| Bart | From the barley farm
| Male | English |
| Bear | Large mammal with large head, bulky body and coarse thick fur | Male | Animal |
| Ben | . | Male | Hebrew |
| Biscuit | A cookie or cracker | Unisex | |
| Bistro | | Unisex | Hebrew |
| Black | Dark | Male | English |
| Black Bart | | Male | Hebrew |
| Black Magic | | Unisex | Hebrew |
| Blackie | Of the colour black. | Unisex | |
| Blackjack | A leather covered hand weapon. A card game | Unisex | |
| Bo | Nickname made popular by actress Bo Derek.
| Male | Norse |
| Bob | bright, famous | Male | English |
| Bonbon | | Unisex | Hebrew |
| Bonzo | | Male | Hebrew |
| Boots | | Male | Hebrew |
| Bosco | | Male | Hebrew |
| Bounty | | Unisex | Hebrew |