Samuel Kimball Merwin Jr. (1910–1996) was an American mystery fiction writer, science fiction author and editor. He mostly published fiction as Sam Merwin, Jr., but his pseudonyms included Elizabeth Deare Bennett, Matt Lee, Jacques Jean Ferrat and Carter Sprague.
Sam Merwin, Jr. is probably best remembered today for the alternate world novel The House of Many Worlds (1951) and its sequel, Three Faces of Time (1955).
