Lothar Witzke (May 15, 1895 – January 6, 1962) was a junior officer in the German Imperial Navy, who, after escaping from internment in neutral Chile, became a spy and saboteur on active service in the United States and Mexico during the First World War. Arrested in 1918, he was sentenced to death, but his life was saved by the Armistice of 11 November 1918. In 1923 he was pardoned and released. During the Second World War he served in the Abwehr and after the war became a German Party member of the Hamburg Parliament.