In demonology Allocer is a demon whose title is Great Duke of Hell, and who has thirty-six legions of demons under his command. He induces people to immorality and teaches arts and all mysteries of the sky.

Allocer is often depicted as a human with a horned lion head, riding a horse with dragon legs.

Other spellings: Alocer, Alloces.

See also The Lesser Key of Solomon, Ars Goetia.