NSN may refer to: Computing Network Service Name, for accessing a databases in Oracle Net Services Nokia Solutions and Networks, a subsidiary of Nokia Corporation

Government, military and politics National Security Network, an American foreign-policy think tank NATO Stock Number, on military supply equipment New Schools Network, a British education reform group Native Sovereign Nation, in the United States National Socialist Network, an Australian neo-Nazi organisation

Other uses Nelson Airport (New Zealand), by IATA code North Shore Navigators, a wooden-bat, collegiate summer baseball team based in Lynn, Massachusetts Never Shout Never, an American indie rock band NSN Cycling Team, a cycling team based in Spain

See also Never Say Never (disambiguation)