SS refers to the Schutzstaffel, a Nazi paramilitary force. SS may also refer to: Military Special Service, a division of soldiers in British service during World War II (later renamed Commandos) Submarine, for which "SS" is the United States Navy designator Surface-to-surface missile of Soviet/Russian type, as listed by NATO Sea Scout class airship, a class of British airship during World War I History, government, and social sciences Collar of Esses, an ornamental collar in British heral… (More on Ss)