| Bisera | Woman | Slavic Names |
| Bishop | Man | English Names |
| Bisma | Woman | Arabic Names |
| Bison | Unisex | American Names |
| Bistra | Woman | Slavic Names |
| Biton | Man | Greek Names |
| Bixby | Unisex | English Names |
| Bjork | Woman | Scandinavian Names |
| Bjorn | Man | Scandinavian Names |
| Black | Man | English Names |
| Blackburn | Unisex | English Names |
| Blackwell | Unisex | English Names |
| Blade | Man | English Names |
| Blaga | Woman | Slavic Names |
| Blagorodna | Woman | Bulgarian Names |
| Blagoslav | Man | Bulgarian Names |
| Blagovest | Man | Bulgarian Names |
| Blagovesta | Woman | Bulgarian Names |
| Blagoy | Man | Bulgarian Names |
| Blahoslav | Man | Slavic - Czech Names |