| Name | Meaning | Gender | Origin |
|---|
| Ballard | a dancing song | Unisex | |
| Bamse | | Unisex | Hebrew |
| Bandit | An outlaw or robber | Male | Word |
| Barnes | someone who lives or works near the barn | Male | English |
| Barry | spear thrower, son of Harry, Marksman | Male | Irish |
| Bart | From the barley farm
| Male | English |
| Basil | Majestic, royal, brave | Male | Greek |
| Batman | | Unisex | Hebrew |
| Beau | Handsome.
| Male | |
| Beckett | Brook | Male | English |
| Beckham | homestead by the stream | Male | English |
| Bedivere | Mythical Round Table Knight | Unisex | Welsh |
| Ben | . | Male | Hebrew |
| Beowulf | Intelligent Wolf | Unisex | Anglo-Saxon |
| 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 |