OCGS

AcronymDefinition
OCGSOntario Council on Graduate Studies (Council of Ontario Universities; Canada)
OCGSOakland County Genealogical Society (Oakland County, Michigan)
OCGSOxford and Cambridge Golfing Society
OCGSOklahoma City Geological Society, Inc. (est. 1921; Oklahoma City, OK)
OCGSOffice of the Chief of the General Staff (various locations)
OCGSOro Christian Grace School (China)