Horst Willner (13 October 1919 - 19 July 1999) was a German U-Boat commander during the Second World War. Willner was a recipient of the Iron Cross 1st Class of Nazi Germany. He did not set out on patrols with his crews, but he did participate in the rescue of refugees from East Prussia ahead of the advancing Red Army. Post-war, Willner studied law and became President of the Bremen Chamber of Commerce.