NSA (disambiguation)

Last updated December 17, 2025

NSA is the National Security Agency, a United States governmental agency.

Organizations

National Safety Associates, a Tennessee-based multilevel marketing company
National Scrabble Association, a group of Scrabble players
National Security Archive, a nongovernmental research institution at George Washington University
National Sheep Association, a trade association in the UK for sheep farming
National Sheriffs' Association, an organization of law enforcement specialists in the U.S.
National Smokers Alliance, an organization that opposed anti-smoking legislation in the United States
National Socialism Association, a Taiwanese neo-Nazi organisation
National Softball Association, a U.S. support organization for players of the game
National Speakers Association, a professional speakers' organization
National Spiritual Assembly, an administrative body of the Bahá'í Faith
National Sports Academy "Vasil Levski", Bulgaria
National Sports Academy (Lake Placid, New York), a former preparatory school for winter-sport athletes
National Student Association, an American student organization from the 1940s-'70s
National Stuttering Association, U.S.
New Saint Andrews College, in Idaho, U.S.
New Syrian Army, a group of Syrian Arab Army defectors established during the Syrian Civil War
Nichiren Shoshu America, an earlier name for the American division of present-day Soka Gakkai International
Norwegian Shipowners' Association, the Norwegian shipowners organization in Norway
North Sunflower Academy, a school in Sunflower County, Mississippi, U.S.

Supreme Administrative Court of Poland (Naczelny Sąd Administracyjny), the Polish court of last resort for administrative law disputes
National Security Agency (Bahrain), a Bahrain governmental agency
National Security Agency (Montenegro), a Montenegrin governmental agency
National Security Authority, a Norwegian intelligence agency
NATO Maintenance and Supply Agency, a NATO agency located in Capellen, Luxembourg
NATO Standardization Agency, a NATO agency located in Brussels, Belgium

National scenic area, a conservation designation used in several countries
National Supers Agency, a fictional organization of superheroes from the film The Incredibles
National Sound Archive, a sound archive hosted by the British Library
National Security Area, a designated airspace through which flight is discouraged in the US
Naypyitaw State Academy, a state-run university in Myanmar
Neue Schubert-Ausgabe , 20th-21st century edition of Franz Schubert's compositions
New Series Adventures (Doctor Who), a series of novels based on the television programme Doctor Who
New Statistical Account of Scotland, United Kingdom
Notizie degli scavi di antichità , an Italian archeological peer-reviewed journal
Next Step Agencies, bodies which perform public functions of government but modeled on the private sector
Non-standard analysis (since 1966), a variant of calculus using infinitesimals
No sulphite added, wines without added sulphites
Non-state actor, a non-state entity which participates in international relations
Not seasonally adjusted, for a statistical time series; See Seasonal adjustment
Non-standalone, a mode in which a 5G cellular network can be deployed, involving the use of the 5G NR (New Radio) technology in combination with a 4G core network