Brecht's Mistress () is a 2003 novel by the French writer Jacques-Pierre Amette. It is also known as Brecht's Lover. It received the Prix Goncourt.
In 1948, the German playwright Bertolt Brecht leaves New York to return to Berlin. There he meets a young woman, Maria, with whom he falls in love, but who turns out to be a spy in the service of the Stasi, the East German secret services.