Star sapphire or Star Sapphire may refer to:
- Star sapphire, a type of sapphire gemstone that exhibits a star-like reflection of light (an asterism)
- The Armstrong Siddeley Star Sapphire, a British car manufactured from 1958 to 1960
- Star Sapphire (DC Comics character), the name of several fictional supervillains in DC Comics publications
- Star Sapphire, a fictional character from the Touhou Project series of video games
- Star Sapphire, Forbidden Planet Robby the Robot - "Star Sapphires take a week to crystalize properly."
This disambiguation page lists articles associated with the title Star sapphire.
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