EGS

EGS may refer to:

Education

 * Enfield Grammar School, an English school
 * Ermysted's Grammar School, an English school
 * European Graduate School, a Swiss private university

Science

 * Edinburgh Geological Society
 * EGS (program), a Monte Carlo simulation program
 * Ehlers–Geren–Sachs theorem
 * Enhanced geothermal system
 * European Geophysical Society, now part of the European Geosciences Union

Technology

 * Emergency gas supply, a backup life support system for underwater diving
 * Enhanced Graphics System, on the Amiga computer
 * Epic Games Store, a digital video game storefront
 * Ergis (company), a Polish chemical company
 * Experimental Geodetic Satellite, a Japanese satellite
 * Exploration Ground Systems, a NASA program

Other uses

 * Ecological goods and services
 * Egilsstaðir Airport in Iceland
 * El Goonish Shive, a webcomic by Keenspot CTO Dan Shive
 * Expert Global Solutions, a defunct American debt collection agency