| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Bademus | - | History | ||
| Bede | BEED (English) | History | ||
| Bleda | - | History | ||
| Bonaventure | bawn-ə-VEN-chər (English) | History | ||
| Boris | bah-REES (Russian), BO-ris (German), BAWR-is (English) | Bulgarian, Russian, Slovene, Croatian, Serbian, Macedonian, Georgian, German, History | ||
| Brunhilda | - | History | ||
| Buddha | - | History |