SM U-39, was a Type U 31 submarine launched in 1914 and that served in the First World War until interned in Spain on 18 May 1918; surrendered to France on 22 March 1919
During the First World War, Germany also had these submarines with similar names:
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.