German submarine U-59 was a Type IIC U-boat of the Nazi German Kriegsmarine that served in the Second World War. She was built by Deutsche Werke AG, Kiel. Ordered on 17 June 1937, she was laid down on 5 October as Werk 258. She was launched on 12 October 1938 and commissioned on 4 March 1939 under the command of Oberleutnant zur See Harald Jürst.