NSO

NSO or Nso may refer to:

• Netherlands Space Office
• National Statistics Office (Philippines)
• Nationale SIGINT Organisatie (SIGINT government agency of the Netherlands)
• National Safeman's Organization: a U.S.A.-based organization of professional safecrackers
• National Solar Observatory, U.S.A.
• Nigerian Security Organization, Nigerian state security forces, 1976-1985
• National Sports Organisation (India)
• Northern Sotho language, from its ISO 639-2 language code
• Nso people, a people of the Grasslands region in the Northwest Province of Cameroon
  • Nso language
• Non-qualified stock options
• National Scout Organization under the World Organization of the Scout Movement
• Nursing Students of Ontario, an interest group of the Registered Association of Ontario
• Relating to the Canadian Government / Canadian Forces - Northern Sovereignty Operations (NSO) - See Canadian Rangers
• Non-Skating Official, statistician position in roller derby

Any orchestra with the title "National Symphony Orchestra," namely:

• National Symphony Orchestra (Taiwan), founded 1986
• National Symphony Orchestra (United States), founded 1931
• Iraqi National Symphony Orchestra, founded 1970, which can trace its origins back to 1948
• National Symphony Orchestra Ghana, founded 1959