| Name | Meaning | Gender | Origin |
|---|
| Beatrice | blessed; she who brings happiness | Female | Latin |
| Bella | Beautiful
| Female | English |
| Bella | Beautiful
| Female | English |
| Belle | Beautiful woman | Female | Short |
| Bessie | From Elizabeth - Consecrated to God | Female | English |
| Betsy | Consecrated To God | Female | English |
| Betty | Devoted to God
| Female | English |
| Biscuit | A cookie or cracker | Unisex | |
| Bitsy | | Female | Hebrew |
| Blackie | Of the colour black. | Unisex | |
| Blossom | lovely, A flower or cluster of flowers | Female | English |
| Blu | | Unisex | Hebrew |
| Blu | | Unisex | Hebrew |
| Blueberry | | Unisex | Hebrew |
| Bonnie | sweet and good | Female | Scottish |
| Boo Boo | | Unisex | Hebrew |
| Brownie | Moist chocolate cake with nuts | Unisex | |
| Bubblegum | | Unisex | Hebrew |
| Buffy | God's promise | Female | English |
| Bunny | little rabbit | Female | Nickname |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Female | |
| Butternut | | Unisex | Hebrew |
| Button | | Unisex | Hebrew |
| Cali | Most beautiful
| Female | English |
| Callie | Lark
| Female | Greek |