SM UB-79 was a German Type UB III submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 27 October 1917 as SM UB-79.
UB-79 was surrendered in accordance with the requirements of the Armistice with Germany on 26 November 1918 and broken up at Swansea in 1922.
See main article: Type UB III submarine. She was built by Blohm & Voss of Hamburg and following just under a year of construction, launched at Hamburg on 3 June 1917. UB-79 was commissioned later that same year under the command of Kptlt. Woldemar Petri. Like all Type UB III submarines, UB-79 carried 10 torpedoes and was armed with a 8.82NaN2 deck gun. UB-79 would carry a crew of up to 3 officer and 31 men and had a cruising range of 8680nmi. UB-79 had a displacement of 516lk=inNaNlk=in while surfaced and 648t when submerged. Her engines enabled her to travel at 13.6kn when surfaced and when submerged.