Dallas Mayr (born in Livingston, New Jersey on November 10, 1946), better known by his pseudonym Jack Ketchum, is an American author. He is the recipient of four Bram Stoker Awards and three further nominations. Many of his novels have been adapted to film, including The Girl Next Door and Red. In 2011 Ketchum received the World Horror Convention Grand Master Award for outstanding contribution to the horror genre.
Ketchum lives in New York City.