The Red Widow Murders

infobox Book |
name = The Red Widow Murders
title_orig =
translator =


image_caption = | author = John Dickson Carr writing as "Carter Dickson"
cover_artist =
country = United Kingdom
language = English
series = Henry Merrivale
genre = Mystery, Detective, Novel
publisher = Morrow (US, 1935) Heinemann (UK, 1935)
release_date = 1935
media_type = Print (Hardback & Paperback)
pages =
isbn =
preceded_by = The White Priory Murders
followed_by = The Unicorn Murders

"The Red Widow Murders" is a mystery novel by the American writer John Dickson Carr (1906-1977), who published it under the name of Carter Dickson. It is a locked room mystery and features his series detective, Sir Henry Merrivale.

Plot summary

An oddly assorted group of people draw cards to see who will spend the night locked into a room said to be haunted by the "Red widow" -- a legendary figure who was married to a man who guillotined French aristocrats. In the morning, the victim is found dead, locked inside the room which was under observation continuously. Henry Merrivale must solve the mystery.