"The Fly" is a science fiction horror short story by French-British writer George Langelaan. It was published in the June 1957 issue of Playboy magazine. It appeared in SF The Year's Greatest Science-Fiction and Fantasy, Dell First Edition B119, 1958. It was first filmed in 1958, and then again in 1986. An opera of the same name by Howard Shore premiered at the Théâtre du Châtelet, Paris, in 2008. The short story "The Fly" is included in Langelaan's short story collection Out of Time (1964).