| Name | Meaning | Gender | Origin |
|---|
| Brandon | Broom hill | Male | English |
| Brandy | Burning wine | Female | English |
| Branson | Sword | Male | Germanic |
| Bray | To Cry Out | Male | English |
| Brayden | Broad, wide | Male | English |
| Brazil | Brave, Strong In Conflict | Male | Celtic |
| Brianne | Noble, strong, virtuous | Female | Gaelic |
| Bronson | Brown's son | Male | English |
| Bruce | Surname Since Medieval Times: Now A Common Given Name. Folklore Tale Of 14Th Century Robert King Of Scotland: (The Bruce) Who Learned The Value Of Perseverance From Watching A Spider Spin A Web. | Male | English |
| Bruiser | A large heavyset man | Unisex | English |
| Brutus | Heavy, slow, foolish | Male | Latin |
| Bryanna | Noble, strong, virtuous | Female | Gaelic |
| Bubba | | Unisex | Hebrew |
| Bubble | | Unisex | Hebrew |
| Bubbles | Thin spherical liquid filled with gas. Irrepressible activity. | Unisex | English |
| Buck | He-goat | Male | English |
| Buckwheat | | Unisex | Hebrew |
| Bugsy | | Unisex | Hebrew |
| Bull | The adult male of certain large animals like cattle and elephants | Unisex | English |
| Bullet | A metal cylinder shot from a rifle or gun. Used to express speed. | Unisex | English |
| Bumper | | Unisex | Hebrew |
| Bunny | Little rabbit | Female | English |
| Buster | One that breaks up something | Unisex | American English |
| Butch | Masculine in appearance or manner. | Unisex | American English |
| Buttercup | A bright yellow flowered plant. Also a term of endearment. | Unisex | English |
| Buttons | | Unisex | Hebrew |
| Buzz | To move quickly and busily, to bustle | Male | English |
| Byron | At the cattle sheds | Male | English |
| Cadbury | Brand of chocolate | Unisex | English |
| Cadence | Rhythm | Female | English |