| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Bion | - | Ancient Greek | ||
| Blanchard | - | Ancient Germanic | ||
| Brando | - | Ancient Germanic | ||
| Brunhild | - | Germanic Mythology, Ancient Germanic | ||
| Brunhilde | broon-HIL-də (German) | German, Ancient Germanic | ||
| Brunihild | - | Ancient Germanic | ||
| Bruno | BROO-no (German), BRUW-naw (Polish) | German, Italian, Spanish, Portuguese, French, Croatian, Polish, Ancient Germanic | ||
| Burchard | BOOR-kahrt (German) | German, Ancient Germanic | ||
| Burkhard | BOORK-hahrt (German) | German, Ancient Germanic | ||
| Burkhart | BOORK-hahrt (German) | German, Ancient Germanic | ||
| Callias | - | Ancient Greek (Latinized) | ||
| Carlman | - | Ancient Germanic | ||
| Carloman | - | History, Ancient Germanic | ||
| Carolus | - | Ancient Germanic (Latinized) | ||
| Cassander | - | Ancient Greek (Latinized) |