| Acronym | Definition |
|---|
| NGS | National Geographic Society |
| NGS | National Geodetic Survey |
| NGS | National Genealogical Society |
| NGS | Normal Goat Serum |
| NGS | Next Generation Sequencing (genomics) |
| NGS | Not in Good Standing |
| NGS | National Government Services (various organizations) |
| NGS | Nice Guy Syndrome |
| NGS | Next Generation Systems |
| NGS | National Grid Service |
| NGS | Ninja Gaiden Sigma (gaming) |
| NGS | National Garden Scheme |
| NGS | Next Generation Security (software) |
| NGS | Nortel Government Solutions (software; Fairfax, VA) |
| NGS | Nearby Galaxy Survey (US NASA) |
| NGS | Next Generation Services |
| NGS | National Graduate School |
| NGS | National General Secretary (various locations) |
| NGS | National Grid System (various locations) |
| NGS | Naval Gunfire Support |
| NGS | Naval General Staff (Japan) |
| NGS | Natural Guide Star |
| NGS | Nitrogen Generating System (Boeing) |
| NGS | Non-Government Standards |
| NGS | Next Generation Systems (London, UK) |
| NGS | National Graduates Survey (Canada) |
| NGS | New Generation Software, Inc. |
| NGS | New Generation Society (various locations) |
| NGS | National Gerbil Society (UK) |
| NGS | Nagasaki, Japan - Nagasaki (Airport Code) |
| NGS | Network Gateway Server |
| NGS | Next Generation Switch |
| NGS | Nitor Global Solutions (India) |
| NGS | Northamptonshire Grammar School (UK) |
| NGS | N Gauge Society (model railway society) |
| NGS | Non-Governmental School |
| NGS | National Geospatial Intelligence School |
| NGS | Nueva Generadora del Sur (Spanish) |
| NGS | Next Generation Seamless (hotel reservation systems technology of data sharing across the web) |
| NGS | Nuclear Generation Station (Canada) |
| NGS | National Gang Strategy |
| NGS | Non-Gender Specific |
| NGS | National Geological Society |
| NGS | Navigation Guidance System |
| NGS | Noble Gas Structure |
| NGS | Newlands Girls' School (UK) |
| NGS | Notice Generation System |
| NGS | Next Generation Star Tester (Ford) |