NGS

NGS may stand for:

Places

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

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

NASDAQ Global Select Market, see NASDAQ#Market tiers
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