SM UB-149 was a German Type UB III submarine or U-boat built for the German Imperial Navy (German: Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 22 October 1918 as UB-149 . UB-149 was surrendered to Britain in accordance with the requirements of the Armistice with Germany on 22 November 1918 and broken up at Swansea in 1922.