The Emperor of Dreams is a collection of American fantasy author and poet Clark Ashton Smith's short tales arranged in chronological order. It was published by Gollancz in 2002 as the 26th volume of their Fantasy Masterworks series. The collection contains stories from Smith's major story cycles of Averoigne, Hyperborea, Poseidonis, and Zothique. Most of the stories originally appeared in the magazines "The Fantasy Fan", "Weird Tales", "Overland Monthly", "Strange Tales of Mystery and Terror", "The Magic Carpet/Oriental Stories", "The Auburn Journal", "Stirring Science Stories", "The Arkham Sampler", "Saturn" and "Fantastic Universe".