German submarine U-35 was a Type VIIA U-boat of the Nazi German Kriegsmarine. She was built three years before the start of World War II. The submarine was laid down on 2 March 1936 by Friedrich Krupp Germaniawerft at Kiel, launched on 24 September 1936, and commissioned on 3 November that year under the command of Kapitänleutnant (Kptlt.) Klaus Ewerth. The U-boat was featured on the cover of Life magazine on 16 October 1939.