| Bahram | | - | Persian, Persian Mythology | |
| Balder | | - | Norse Mythology | |
| Baldr | | - | Norse Mythology | |
| Bast | | BAHST (English) | Egyptian Mythology | |
| Bastet | | BAHS-tet (English) | Egyptian Mythology | |
| Batraz | | - | Ossetian, Caucasian Mythology | |
| Bedivere | | - | Welsh Mythology, Arthurian Romance | |
| Bedwyr | | BED-wir (Welsh) | Welsh, Welsh Mythology, Arthurian Romance | |
| Belenos | | - | Celtic Mythology | |
| Belenus | | - | Celtic Mythology | |
| Beli | | - | Welsh Mythology | |
| Bellona | | bə-LON-ə (English) | Roman Mythology | |
| Beowulf | | BAY-ə-woolf (English) | Anglo-Saxon Mythology | |
| Bile | | - | Irish Mythology | |
| BlÁThnat | | BLAW-nit | Irish, Irish Mythology | |