Science Fantasy is a subgenus of science fiction and fantasy. The two genres combine to give stories taking place either in a medieval context with science fiction themes, or in a science fiction universe mixing up with fantasy themes.
- The Mars series, by Edgar Rice Burroughs
- The Darkover series, by Marion Zimmer Bradley
- World of Tiers, by Cordwainer Smith
- Gandahar, by Jean-Pierre Andrevon