| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Balbus | - | Ancient Roman | ||
| Baldarich | - | Ancient Germanic | ||
| Baldo | - | Italian, Spanish, Ancient Germanic | ||
| Baldomar | - | Ancient Germanic | ||
| Baldovin | - | Ancient Germanic | ||
| Baldwin | BAWLD-win (English) | English, Ancient Germanic | ||
| Basileios | - | Ancient Greek | ||
| Basilius | - | Ancient Greek (Latinized) | ||
| Baugulf | - | Ancient Germanic | ||
| Bel-Sarra-Usur | - | Ancient Near Eastern | ||
| Belshazzar | - | Ancient Near Eastern, Biblical | ||
| Berahthraban | - | Ancient Germanic | ||
| Berahthram | - | Ancient Germanic | ||
| Berard | - | Ancient Germanic | ||
| Berengar | - | Ancient Germanic |