NGS

NGS may stand for:

Places

 * NGSO (NGS orbit), non-geostationary orbit
 * Nagasaki Airport (IATA airport code: NGS) in Omura, Nagasaki, Japan

Organisations

 * National Galleries of Scotland, representing the national art collection of Scotland
 * National Garden Scheme, British organisation which promotes the opening of private gardens for charity
 * National Genealogical Society, United States non-profit organization in the field of family history research
 * National Geodetic Survey, United States service operating under the control of the National Oceanic and Atmospheric Administration
 * National Geographic Society, United States scientific and educational institution
 * National Grammar School, Lahore, Pakistan
 * National Gramophonic Society, for the recording and publication of classical music
 * National Grid Service, UK academic computing grid
 * Newcastle Grammar School, New South Wales, Newcastle, Australia
 * NGS Secure, UK-based security company
 * Nortel Government Solutions, US-based IT services company
 * NordicGreenSolutions, carbon emission compensation company
 * NGS, Russian digital mass media outlet with headquarter in Novosibirsk

Military

 * Naval General Service Medal (disambiguation) (NGS medal)
 * Naval General Service Medal (1847) awarded for various naval actions during the period 1793–1840
 * Naval General Service Medal (1915) awarded for various naval actions from 1915 to 1962
 * Naval Gunfire Support, the practice of firing at land based targets from offshore

Other

 * NASDAQ Global Select Market, see NASDAQ
 * Neutral grain spirit, or pure grain alcohol
 * Next-generation sequencing, a type of DNA sequencing
 * Ninja Gaiden Sigma, a video game
 * Nitrogen Generation System, found in aircraft to reduce fire risk in fuel tanks, a type of inerting system