PGI may refer to:
Transportation Parking guidance and information, signs and other indicators to assist in parking a car PGI, IATA code for Chitato Airport in Angola
Science PGI2 (Prostacyclin), a chemical which regulates blood clotting Phosphoglucose isomerase, alternate name for Glucose-6-phosphate isomerase Protected geographical indication, one of the three protected denominations for agricultural products of the European Union
Organizations PGI (The Portland Group, Inc.), a former software company providing compilers and programming tools, now part of Nvidia PGI Management, currently known as Pas Grau International, an Andorra-based ski operation management company Communion of Churches in Indonesia (, PGI), a fellowship organisation of Protestant churches in Indonesia Philippine Geothermal Production Company (formerly Philippine Geothermal, Inc.), a Philippine energy production subsidiary Piranha Games Inc., a Canadian video game developer Pontefract General Infirmary, the former name for Pontefract Hospital Postgraduate Institute of Medical Education and Research, a medical institute and research centre in Chandigarh, India Project for Good Information, American political group Pyrotechnics Guild International, association of professional and amateur fireworks enthusiasts