L
- Labal (Christian demonology)
- Labasu (Babylonian mythology)
- Lady Midday (Slavic mythology)
- Lamashtu (Sumerian mythology)
- Lamia (Bulgarian folklore, Christian demonology and Greek mythology)
- Latiangle (Christian demonology)
- Legion (Christian demonology)
- Lechies (Slavic mythology)
- Leyak (Indonesian mythology)
- Lempo (Finnish mythology)
- Leraje/Leraie (Christian demonology)
- Leviathan (Jewish demonology, Christian demonology)
- Lili/Lilin/Lilim (Jewish demonology)
- Lilith (Sumerian mythology, Akkadian mythology, Jewish folklore)
- Lucifer (Christian demonology)
- Lucifuge Rofocale (Christian demonology)
Read more about this topic: List Of Theological Demons