| Name | Meaning | Gender | Origin |
|---|
| Belle | Beautiful woman | Female | Short |
| Ben | . | Male | Hebrew |
| Beowulf | Intelligent Wolf | Unisex | Anglo-Saxon |
| Bernadette | bold as a bear | Female | |
| Bernard | bold as a bear | Male | |
| Berry | White, Fair | Male | English |
| Bes | | Unisex | Hebrew |
| Bilbo | | Unisex | Hebrew |
| Billy | resolute protection | Male | English |
| Blaine | thin, lean, source of a river | Male | Irish |
| Blue | A colour between green and indigo. Gloomy or depressed. | Male | Color |
| Bo | Nickname made popular by actress Bo Derek.
| Male | Norse |
| Boadicea | A Queen Of The Iceni Victory | Unisex | Anglo-Saxon |
| Bob | bright, famous | Male | English |
| Bolivar | Also Known As Long Leggedy Beasty | Male | Basque |
| Boone | a blessing | Male | English |
| Boris | A fighter, battler | Male | Slavic |
| Bowie | after David Bowie | Male | Scottish |
| Boz | | Unisex | Hebrew |
| Brian | strong | Male | Irish |
| Briar | a thorny patch | Female | English |
| Brutis | | Unisex | Hebrew |
| Bubastis | | Unisex | Hebrew |
| Buffy | God's promise | Female | English |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Male | |