| Borka | Man | Slavic Names |
| Borna | Man | Armenian Names |
| Bosley | Man | English Names |
| Bossanova | Unisex | Portuguese Names |
| Boston | Man | English Names |
| Botan | Man | Japanese Names |
| Botham | Unisex | English Names |
| Boudewijn | Man | Dutch Names |
| Boudicca | Woman | Latin Names |
| Boutros | Man | Arabic Names |
| Bouvier | Unisex | French Names |
| Bowen | Man | Welsh Names |
| Bowers | Unisex | English Names |
| Bowie | Man | Irish Names |
| Bowman | Unisex | German Names |
| Boyana | Woman | Bulgarian Names |
| Boyce | Man | English Names |
| Boyd | Man | Irish Names |
| Boyer | Unisex | English Names |
| Boyka | Woman | Slavic Names |