NSG may refer to:

Businesses

  • Nippon Sheet Glass, a Japanese glass manufacturer
  • NetWare Systems Group, Novell's defunct operating system division

Government and military

  • National Security Guard, a federal counterterrorism force in India
  • National Street Gazetteer, a database of all streets in England and Wales
  • Naturschutzgebiet, a nature protection category in Germany
  • Nebraska State Guard, active during World War II and the Vietnam War
  • Nordic Support Group, a multinational peacekeeping force
  • Nuclear Suppliers Group, an international export regulation body

Places

  • Northampton School for Girls, a high school in Northampton, England
  • New Southgate railway station, London (by station code)

Other uses

  • NSG (group), a British music collective
  • NSG mouse, an immunodeficient laboratory mouse strain
  • North Sea Gas, natural gas from Europe's North Sea oil field

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