Earth Abides is a 1949 post-apocalyptic science fiction novel by American writer George R. Stewart. It tells the story of the fall of civilization from deadly disease and its rebirth. The story was set in the United States in the 1940s, in Berkeley, California. Isherwood Williams emerges from isolation in the mountains to find almost everyone dead.

Earth Abides won the inaugural International Fantasy Award in 1951. It was included in Locus Magazine's list of best All Time Science Fiction in 1987 and 1998 and was a nominee to be entered into the Prometheus Hall of Fame. In November 1950, it was adapted for the CBS radio program Escape as a two-part drama starring John Dehner.

George Rippey Stewart (May 31, 1895 – August 22, 1980) was an American historian, toponymist, novelist, and a professor of English at the University of California, Berkeley. His 1959 book Pickett's Charge, a detailed history of the final attack at Gettysburg, was called "essential for an understanding of the Battle of Gettysburg". His 1949 post-apocalyptic novel Earth Abides won the first International Fantasy Award in 1951.