| Name | Meaning | Gender | Origin |
|---|
| Brady | large-chested | Male | Irish |
| Bramwell | place name | Male | English |
| Braxton | Brock's settlement | Male | English |
| Brayden | brave, broad | Male | Spelling |
| Brendan | prince | Male | Irish |
| Brennan | Little drop: Prince. Variant of Brendan.
| Male | Irish |
| Brett | a native of Brittany, Briton | Male | Celtic |
| Brewster | brewer | Male | English |
| Brian | strong | Male | Irish |
| Brice | swift, quick-moving, son of Rice | Male | Scottish |
| Brinley | tawny | Female | English |
| Bristol | Bridge | Female | English |
| Brody | From the muddy place. Surname.
| Male | Irish |
| Bronson | son of Brown, son of the dark-skinned one | Male | English |
| Brown | colour | Male | Color |
| Bruce | thicket, woodlands | Male | Scottish |
| Bruiser | A large heavyset man | Unisex | |
| Brutus | heavy, dull | Male | Latin |
| Bryce | Son of a nobleman
| Male | English |
| Bubba | | Male | Hebrew |
| Bubba | | Male | Hebrew |
| Bud | herald, to puff up, friend | Male | English |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Buddy | From Budd - The welcome messenger. | Male | English |
| Burgess | free citizen | Male | English |