German submarine U-2347 was a Type XXIII U-boat of Nazi Germany's Kriegsmarine during World War II. She was ordered on 20 September 1943, and was laid down on 19 September 1944 at Deutsche Werft AG, Hamburg, as yard number 501. She was launched on 6 November 1944 and commissioned under the command of Oberleutnant zur See Willibald Ulbing on 2 December 1944.