The Devil's Labyrinth is a thriller horror novel by John Saul, published by Ballantine Books on July 17, 2007.

The novel follows the story of Ryan McIntyre, a teenage boy sent to a Catholic boarding school, where strange deaths and mysterious disappearances begin to occur upon his arrival.

[1] Publishers Weekly wrote that "Saul fans should be satisfied" but that "those looking for a more subtle treatment of a similar theme might prefer Whitley Strieber's The Night Church".

[2] Booklist wrote that the book was "gratifyingly full of creepy, gory, and repulsive incidents leading to a nail-biting climax".

[3] Harold Goldberg of Filmcritic.com wrote that Saul "slowly and masterfully builds a taut and almost perfect suspense that's rife with terror.