B
- Baal/Bael (Christian demonology)
- Balam (Christian demonology)
- Balberith (Jewish demonology)
- Bali Raj (Hindu mythology)
- Banshee (Irish mythology)
- Baphomet (Christian folklore)
- Barbas (Christian demonology)
- Barbatos (Christian demonology)
- Bathin/Mathim/Bathym/Marthim (Christian demonology)
- Beball (Christian demonology)
- Beelzebub (Jewish demonology, Christian demonology)
- Behemoth (Jewish demonology)
- Belial (Jewish demonology, Christian demonology)
- Beleth (Christian demonology)
- Belphegor (Christian demonology)
- Berith/Beherit (Phoenician mythology, Christian demonology)
- Bhūta (Sanskrit)
- Bies (Slavic mythology)
- Bifrons (Christian demonology)
- Boruta (Slavic mythology)
- Botis (Christian demonology)
- Buer (Christian demonology)
- Bukavac (Slavic mythology)
- Bune (Christian mythology)
- Bushyasta (Zoroastrianism)
Read more about this topic: List Of Theological Demons