GPI may refer to:

Economics

• Gender Parity Index
• Genuine progress indicator
• Global Payments Innovation, a faster international payment service by SWIFT

Education

• George Padmore Institute, a British library and archives
• Greenfield Park Primary International School, in Quebec, Canada

Government and politics

• Global Peace Index
• Global Partnership Initiative of the United States State Department

Medicine

• Generic Product Identifier, a drug classification system
• General paresis of the insane
• Glucose-6-phosphate isomerase, an enzyme
• Glycosylphosphatidylinositol, a glycolipid
• Internal globus pallidus

Science and technology

• Gemini Planet Imager, a telescope instrument
• General Purpose Input, an uncommitted digital signal pin on an integrated circuit or electronic circuit board used as an input and controllable by the user at runtime.
• Gibson Plumage Index, an albatross identification system
• Global Address Space Programming Interface, a Linux API
• Grains per inch
• Granite Peak Installation, an American World-War-II-era biological weapons testing facility

Transport

• Glacier Park International Airport, serving Flathead County, Montana, United States
• Guapi Airport, in Colombia

Other uses

• Glass Packaging Institute, an American trade association
• Global Poker Index
• Global Press Institute, an American journalism organization
• Godfrey Phillips India, an Indian tobacco company
• Gurley Precision Instruments, an American manufacturer

See also

• GP1 (disambiguation)