| BÉBinn | | BAY-vin (Irish), BE-veen (Irish) | Irish, Irish Mythology | |
| Baal | | BAY-əl (English), BAYL (English) | Near Eastern Mythology | |
| Ba'al | | BAY-əl (English), BAYL (English) | Near Eastern Mythology | |
| Bacchus | | BAK-əs (English) | Greek Mythology (Latinized) | |
| Bahman | | - | Persian, Persian Mythology | |
| 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 | |