| Name | Meaning | Gender | Origin |
|---|
| Ballard | a dancing song | Unisex | |
| Balto | | Male | |
| Barack | thunderbolt, lightning; or blessing | Male | Hebrew |
| Barry | spear thrower, son of Harry, Marksman | Male | Irish |
| Bartholomew | furrow, hill | Male | Aramaic |
| Baxter | baker | Male | English |
| Beauregard | beautiful gaze | Male | |
| Beelzebub | Bee EL zah BUB | Unisex | |
| Beethoven | | Male | Hebrew |
| Belka | | Unisex | Hebrew |
| Benedict | Blessed | Male | English |
| Benito | after Benito Mussolini | Unisex | |
| Benjamin | son of my right hand | Male | Hebrew |
| Bennett | Blessed | Male | English |
| Betty | Devoted to God
| Female | English |
| Beverly | meadow of beavers | Female | English |
| Bill | comic-strip Bill the Cat | Male | English |
| Bingo | A game where numbers are drawn and announced by a caller | Male | Word |
| Blackjack | A leather covered hand weapon. A card game | Unisex | |
| Blake | fair-haired, pallid | Male | English |
| Bo | Nickname made popular by actress Bo Derek.
| Male | Norse |
| Bobbie | Latin, foreign woman | Female | English |
| Bobby | bright fame | Male | English |
| Bogart | strong as a bow | Male | Gaelic |
| Bolt | | Unisex | Hebrew |