OGS

OGS may refer to:

Science & technology

 * Optical Ground Station, European Space Agency's ground based observatory on Tenerife, Spain
 * Oklahoma Geological Survey
 * Ontario Genealogical Society
 * Ontario Geological Survey

Technology

 * OGS (electronic toll collection), was used on toll roads and bridges in Turkey. Now defunct.
 * One Glass Solution, touchscreen technology

Others

 * Ogdensburg International Airport, New York
 * Ole Gunnar Solskjær, former Norwegian footballer and current football manager
 * Online-Go Server, a non-Java server for Go
 * Ontario Graduate Scholarship, in Canada
 * Oratory of the Good Shepherd, an international community within the Anglican Communion
 * Österreichische Gebärdensprache, sign language used by the Austrian Deaf community
 * Our Generation Speaks, a fellowship program and startup incubator