The Satanist is a black magic/horror novel by Dennis Wheatley.

Published in 1960, it is characterized by an anti-communist spy theme.

[2][3] The novel follows on from To the Devil – a Daughter, a successful occult novel from January 1953, later filmed in 1976 and features from the earlier novel Colonel Verney, an anti-Soviet anti-black magic British spymaster.

The plot concerns Mary Morden, a young widow, and Verney's special agent Barney Sullivan who infiltrate a satanic cult.

[4] In doing so they foil a communist plot to conquer the world.