| Name | Meaning | Gender | Origin |
|---|
| Brad | English, wide meadow | Male | English |
| Bradley | broad meadow | Male | English |
| Brady | large-chested | Male | Irish |
| Brendan | prince | Male | Irish |
| Brenna | Raven maid, dark-haired | Female | Irish |
| Brett | a native of Brittany, Briton | Male | Celtic |
| Brian | strong | Male | Irish |
| Brick | Speckled | Male | Celtic |
| Bridget | Strength. Mythological Celtic goddess of fire and poetry.
| Female | Anglicized |
| Brier | heather | Unisex | |
| Brina | protector | Unisex | |
| Britta | strength, power | Female | Scandinavian |
| Brooklyn | Beautiful Brook | Female | English |
| Brooks | of the brook | Male | English |
| Bruno | Brown
| Male | |
| Bruno | Brown
| Male | |
| Buck | A fleet footed youth. Male deer. | Male | English |
| Bud | herald, to puff up, friend | Male | English |
| Budd | Herald | Unisex | English |
| Buena | Good
| Female | Spanish |
| Buford | | Unisex | Hebrew |
| Bunny | little rabbit | Female | Nickname |
| Burl | butler | Male | English |
| Burley | Lives At The Caste's Meadow | Unisex | English |
| Burma | | Male | Hebrew |