U-120 may refer to one of the following German submarines:
Germany, officially the Federal Republic of Germany, is a country in Central and Western Europe, lying between the Baltic and North Seas to the north, and the Alps to the south. It borders Denmark to the north, Poland and the Czech Republic to the east, Austria and Switzerland to the south, France to the southwest, and Luxembourg, Belgium and the Netherlands to the west.
- SM U-120, a Type UE II submarine launched in 1918 that served in the First World War and was surrendered in 1918
- During the First World War, Germany also had this submarine with a similar name:
- SM UB-120, a Type UB III submarine launched in 1918 and surrendered in 1918
SM UB-120 was a German Type UB III submarine or U-boat in the German Imperial Navy during World War I. She was commissioned into the German Imperial Navy on 23 March 1918 as SM UB-120.
The Type UB III submarine was a class of U-boat built during World War I by the German Imperial Navy.
- During the First World War, Germany also had this submarine with a similar name:
- German submarine U-120 (1940), a Type IIB submarine that served in the Second World War and was scuttled on 2 May 1945
SM U-120 was a Type UE II long-range minelayer submarine of the Imperial German Navy. She was built at Hamburg, Germany, by Aktiengesellschaft Vulcan and launched on 20 June 1918. She was commissioned in the Imperial German Navy on 31 August 1918 with Kapitänleutnant Hans von Mellenthin in command. She had a short-lived career, not being assigned to any flotillas, nor achieving any successful attacks on enemy shipping, before the end of the First World War. She was surrendered to Italy on 22 November 1918, and was broken up in April 1919 at La Spezia.
The Type UE II submarines were a class of submarines built by the German Empire during World War I as long-range mine-layers.
World War I, also known as the First World War or the Great War, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918. Contemporaneously described as "the war to end all wars", it led to the mobilisation of more than 70 million military personnel, including 60 million Europeans, making it one of the largest wars in history. It is also one of the deadliest conflicts in history, with an estimated nine million combatants and seven million civilian deaths as a direct result of the war, while resulting genocides and the 1918 influenza pandemic caused another 50 to 100 million deaths worldwide.
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