Mata Hari: The Red Dancer (), often shortened on release to Mata Hari, is a 1927 German silent drama film directed by Friedrich Feher and starring Magda Sonja, Wolfgang Zilzer and Fritz Kortner. It depicts the life and death of the German World War I spy Mata Hari. It was the first feature-length portrayal of Hari. It was shot at the Staaken Studios in Berlin with sets designed by the art director Alfred Junge.
Before the First World War the Dutch dancer Mata Hari is the lover of a Russian Grand Duke, but throws him over for a young peasant named Grigori. He has Grirgori arrested and then uses his prisoner as a bargaining chip to blackmail Mata Hari into becoming a spy. Started on her now famous course, she is eventually captured and sentenced to death for espionage.