The Demonata is a young adult horror/fantasy series by author Darren Shan.

Cover illustration copyright Melvyn Grant The narrator of each book in the Demonata series shifts between the three protagonists of the series; Grubbs Grady, Kernel Fleck and Bec MacConn.

The series centers around three protagonists from separate periods of time—Grubbs lives in the present day, Kernel in the 1970s, and Bec in around 450AD.

The books detail their fight against the demon master Lord Loss, his many demon familiars, and Shadow, who promises to destroy the human universe.

Together with The Disciples, the main characters attempt to thwart the Demonata from destroying the world.