Hedwig Hillengaß (5 October 1902 – 22 May 1970) was a German operatic soprano, who appeared in leading roles, first operetta, later opera, in Germany. In May 1936, Bizet's Carmen was broadcast with her in the title role. Besides the standard repertoire, she performed in the world premiere of Egk's Peer Gynt, and the German premiere of Jakov Gotovac's Ero s onoga svijeta.