| Budrys | Man | Lithuanian Names |
| Budvilas | Man | Slavic Names |
| Buenaventura | Unisex | Spanish Names |
| Buffy | Woman | American Names |
| Bulan | Woman | Indonesian Names |
| Bulana | Unisex | Indonesian Names |
| Bull | Man | English Names |
| Bulut | Man | Turkish Names |
| Bunim | Man | Hebrew Names |
| Bunny | Woman | American Names |
| Bunta | Man | Japanese Names |
| Buono | Man | Italian Names |
| Burcu | Woman | Turkish Names |
| Burgess | Man | English Names |
| Burghard | Man | German Names |
| Burgundy | Unisex | French Names |
| Burian | Man | Slavic Names |
| Burim | Man | Albanian Names |
| Burke | Man | English Names |
| Burkhard | Man | German Names |