The Devils of Loudun is a 1952 non-fiction account expressed in a novelistic style by Aldous Huxley.

It is a historical narrative of supposed demonic possession, religious fanaticism, sexual repression, and mass hysteria that occurred in 17th-century France surrounding unexplained events that took place in the small town of Loudun.

He had antagonized the Mother Superior, Sister Jeanne of the Angels, when he rejected her offer to become the spiritual advisor to the convent.

He was tortured, found guilty and executed by being burnt alive, but never admitted guilt.

Huxley touches on aspects of the multiple personality controversy in cases of apparent demonic possession within this book.