| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| BÁR&Eth;R | - | Ancient Scandinavian | ||
| BÓThildr | - | Ancient Scandinavian | ||
| BÚI | - | Ancient Scandinavian | ||
| Babak | - | Persian, Ancient Persian | ||
| Badulf | - | Ancient Germanic | ||
| Badurad | - | Ancient Germanic | ||
| Bagadata | - | Ancient Persian | ||
| Baggi | - | Ancient Scandinavian | ||
| Balbina | bahl-BEE-nah (Italian) | Spanish (Rare), Portuguese (Rare), Italian (Rare), Ancient Roman | ||
| Balbinus | - | Ancient Roman | ||
| Balbus | - | Ancient Roman | ||
| Baldarich | - | Ancient Germanic | ||
| Baldo | - | Italian, Spanish, Ancient Germanic | ||
| Baldomar | - | Ancient Germanic | ||
| Baldovin | - | Ancient Germanic |