German submarine U-2346 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 14 September 1944 at Deutsche Werft AG, Hamburg, as yard number 500. She was launched on 31 October 1944 and commissioned under the command of Oberleutnant zur See Hermann von der Höhon on 20 November 1944.