| Name | Meaning | Gender | Origin |
|---|
| Billy | resolute protection | Male | English |
| Birgitte | | Unisex | Hebrew |
| Black Olive | | Unisex | Hebrew |
| Blackest | | Unisex | |
| Bo | Nickname made popular by actress Bo Derek.
| Male | Norse |
| Boaz | swiftness | Male | Hebrew |
| Body | Blond
| Male | |
| Bogart | strong as a bow | Male | Gaelic |
| Bogie | | Male | Hebrew |
| Bole | | Unisex | |
| Bonnie | sweet and good | Female | Scottish |
| Bourbon | A whiskey distilled from fermented mash | Male | Word |
| Bowen | Son of Owen
| Male | Welsh |
| Bowtie | | Unisex | Hebrew |
| Breanne | Strong | Unisex | Irish |
| Bree | broth | Female | Irish |
| Brian | strong | Male | Irish |
| Briana | She ascends. Feminine of Brian.
| Female | Feminine |
| Brianna | She ascends. Feminine of Brian.
| Female | Feminine |
| Brianne | She ascends. Feminine of Brian.
| Female | |
| Briar | a thorny patch | Female | English |
| Brid | Protective
| Female | Irish |
| Bride | Protective
| Female | Irish |
| Bridget | Strength. Mythological Celtic goddess of fire and poetry.
| Female | Anglicized |
| Brigida | Spanish form of Bridget strong
| Female | |