ESO (disambiguation)

ESO is the abbreviation for:

Railway signal order
European Southern Observatory, see European Southern Observatory, also the abbreviation for the Astronomical Catalogue
European standards organization, see European Committee for Standardization
Euratom Safeguards Office, see Office of the Euratom Safeguards
European Stroke Organisation
Erfurt south-east, short for microelectronics works, formerly belonging to combine microelectronics Erfurt. Today, X - Fab, ersol et al business
Ensemble Studios Online, an online service for the game Age of Mythology and Age of Empires III
Quality Association Euro - schools organization
The Elder Scrolls Online, a MMORPG appearing in 2014 ZeniMax Media and Bethesda Game Studios
Existential second-order logic, see existential second-order logic, see Predicate Logic