Gardner Francis Cooper Fox (1911–1986) was an American writer of comics, science fiction and fantasy.

He wrote for DC Comics from the late 1930s, helping create or develop characters including the Flash, Hawkman, Doctor Fate and the Justice Society of America. Fox was one of DC’s most prolific writers, working across superhero, adventure and mystery stories. Beyond comics, Fox wrote science-fiction and fantasy novels and short stories, sometimes using pseudonyms. His long DC career included work on The Flash, Green Lantern, Batman and Justice League of America.