SM U-137

SM U-137 was a Type Mittel U U-boat of the Kaiserliche Marine during World War I. Her construction was ordered on 27 May 1916 and her keel was laid down by Kaiserliche Werften in Danzig. She was launched on 16 December 1916  and she was commissioned on 8 January 1918. She made no war patrols.