| Name | Meaning | Gender | Origin |
|---|
| Beebee | | Unisex | Hebrew |
| Bella | My God is a vow | Female | Hebrew |
| Belle | Beautiful | Female | French |
| Billabong | | Unisex | Hebrew |
| Bingo | A game where numbers are drawn and announced by a caller | Unisex | English |
| Black | Dark | Unisex | English |
| Blaze | Stuttering | Unisex | Latin |
| Blitz | | Unisex | Hebrew |
| Blizzard | Violent snowstorm | Unisex | English |
| Blu | | Unisex | Hebrew |
| Blue | Blue | Unisex | English |
| Bo | Handsome | Female | French |
| Bogey | | Unisex | Hebrew |
| Bolt | | Unisex | Hebrew |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | English |
| Brady | Descendant of Brádach | Unisex | Gaelic |
| Brandy | Burning wine | Female | English |
| Bree | The exalted one | Female | Gaelic |
| Breezy | From Briseis The Woman Achilles Loved In Homer's Iliad. | Unisex | English |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Bucket | | Unisex | Hebrew |
| Bugsy | | Unisex | Hebrew |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Unisex | English |
| Buster | One that breaks up something | Unisex | American English |
| Cadence | Rhythm | Female | English |
| Calamity | | Unisex | Hebrew |
| Cali | Most beautiful | Female | English |
| Callie | Most beautiful | Female | Greek |
| Calypso | Conceal | Female | Greek |
| Camila | Free-Born: Noble. Variant Of Camilla | Female | Latin |