OGS may refer to:
Science and technology ESA Optical Ground Station, European Space Agency's ground-based observatory on Tenerife, Spain Oklahoma Geological Survey Ontario Genealogical Society Ontario Geological Survey 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 , sign language used by the Austrian Deaf community Our Generation Speaks, a fellowship program and startup incubator Omega Graduate School, a graduate school located in Dayton, Tennessee