Stolas (Christian demonology)
Succubus (Sumerian mythology, Akkadian mythology, Jewish folklore, Christian demonology)
Surgat (Christian demonology)
Tannin (Jewish demonology)
Tartaruchi (Apocryphal Christian demonology)
Temeluchus (Apocryphal Christian demonology)
Teeraal (Babylonian mythology)
Telal (Sumerian demonology)
Tengu (Japanese Mythology)
Thammuz (Christian demonology)
Thren (Nordic demonology)
Tzitzimime (Aztec mythology)
Utukku (Assyrian Mythology)
Vacca (demonolatry)
Valefar (Christian demonology)
Vapula (Christian demonology)
Vassago (Christian demonology)
Vepar (Christian demonology)
Verrine (Christian demonology)
Vine (demon) (Christian demonology)
Volac (Christian demonology)
Vual (Christian demonology)
Wendigo ( Native American Mythology)
Wormwood (Fictional (?) junior demon from C.S. Lewis 'The Screwtape letters')
Xitragupten (Christian demonology)
Xaphan
Yeqon (Jewish demonology)
Yeter'el (Christian demonology)
Yokai (Japanese folklore)
Yuki-Onna (Japanese folklore)
Zagan (Christian demonology)
Zepar (Christian demonology)
Ziminar (Christian demonology)
Zmeu (Romanian folklore)
Zin (West African folklore)
Ziz (Jewish Demonology)
Zosa (Literature Stroud)