PGS can stand for:

Companies Petroleum Geo-Services, an oilfield service company PGS Entertainment Plant Genetic Systems, a biotech company located in Belgium

General Parallel giant slalom, a discipline in alpine skiing and snowboarding Participatory Guarantee Systems, for quality assurance Physicians for Global Survival, a Canadian NGO Pre-implantation genetic screening Prompt Global Strike, a proposed class of US weapons systems Pittsburgh Geological Society Protected Geographical Status, EU protection of regional food names Alliance of Primorje-Gorski Kotar (Croatian: Primorsko goranski savez), a Croatian political party Polygenic score, estimated effect of genetic variants Presentation Graphic Stream, a subtitle format used on Blu-ray discs

Schools Pate's Grammar School, England Parkstone Grammar School, England Penistone Grammar School, England Poole Grammar School, England Portsmouth Grammar School, England

Other uses Presentation Graphic Stream