The Cider House Rules (1985) is a novel by American writer John Irving, a Bildungsroman that was later adapted into a 1999 film and a stage play by Peter Parnell. The story, set in the pre– and post–World War II era, tells of a young man, Homer Wells, growing up under the guidance of Dr. Wilbur Larch, an obstetrician and abortion provider. The story relates his early life at Larch's orphanage in Maine and follows Homer as he eventually leaves the nest and comes of age.

John Winslow Irving is an American-Canadian novelist, short story writer, and screenwriter.