"The Shadow Kingdom" is a fantasy novelette by American writer Robert E. Howard, the first of his Kull stories, set in his fictional Thurian Age. It was first published in the pulp magazine Weird Tales in August 1929.

Robert Ervin Howard was an American writer who wrote pulp fiction in a diverse range of genres. He created the character Conan the Barbarian and is regarded as the father of the sword and sorcery subgenre.