| Name | Meaning | Gender | Origin |
|---|
| Baby | A young animal. An object or personal concern or indulgence | Unisex | |
| Bagpuss | | Unisex | Hebrew |
| Bat | Bumpy, Rough | Unisex | Hebrew |
| Batman | | Unisex | Hebrew |
| Beatrice | blessed; she who brings happiness | Female | Latin |
| Beauty | One that is beautiful, especially a woman | Female | |
| Beavis | Shining one | Unisex | Greek |
| Belinda | beautiful snake | Female | Spanish |
| Bella | Beautiful
| Female | English |
| Bella | Beautiful
| Female | English |
| Belle | Beautiful woman | Female | Short |
| Benny | Blessed Son Of My Right Hand | Unisex | English |
| Bergman | | Unisex | Hebrew |
| Bernie | Brave As A Bear | Unisex | German |
| Bertha | Bright | Female | German |
| Bette | Consecrated To God | Female | English |
| Betty Boop | | Unisex | Hebrew |
| Beyonce | Beyond Others | Female | African |
| Bianca | white | Female | Italian |
| Biddy | Protective | Female | Irish |
| Bijou | French for jewel | Female | |
| Binky | | Unisex | Hebrew |
| Binx | black cat in the movie Hocus Pocus | Unisex | |
| Bitsy | | Female | Hebrew |
| Black Beauty | | Unisex | Hebrew |