| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| BjÖRg | - | Ancient Scandinavian, Icelandic | ||
| BjÖRn | BYUURN (Swedish, German), PYUURN (Icelandic) | Swedish, Icelandic, German, Ancient Scandinavian | ||
| Bjarni | - | Ancient Scandinavian, Icelandic | ||
| Bjartr | - | Ancient Scandinavian | ||
| Blanchard | - | Ancient Germanic | ||
| Blandina | - | Ancient Roman | ||
| Blandinus | - | Ancient Roman | ||
| Blandus | - | Ancient Roman | ||
| Blasius | - | Ancient Roman | ||
| Boadicea | - | Ancient Celtic (Latinized) | ||
| Borghildr | - | Ancient Scandinavian, Norse Mythology | ||
| Boudicca | BOO-di-kə (English) | Ancient Celtic | ||
| BrÉAnainn | - | Ancient Irish | ||
| BradÁN | - | Ancient Irish | ||
| Brando | - | Ancient Germanic |