GPI

GPI may refer to:

Economy

Genuine Progress Indicator, a concept in economics that has been suggested as a replacement metric for gross domestic product

Gender Parity Index, a measure that reflects females’ level of access to education compared to that of males’ access
Global Peace Index, an index for the relative position of nations’ and regions’ peacefulness
Global Poker Index, an index that ranks live poker players in the world (the poker ranking authority)

Generic Product Identifier, a drug classification system
General paresis of the insane, a now-rare neuropsychiatric disorder affecting the brain and central nervous system, caused by the long-term effects of syphilis.
Glucose Phosphate Isomerase, an enzyme
Glycophosphatidylinositol, a glycolipid that can be attached to the C-terminus of a protein during posttranslational modification
Glycoprotein inhibitors, a drug of the antiplatelet agent class
Internal globus pallidus, a cluster of neurones in the brain, part of the basal ganglia

Alpha GPI, a Brazilian submachine gun
Gemini Planet Imager, an instrument being built to directly image extrasolar planets
General Purpose Input, a type of pin on an integrated circuit
General Purpose Interface, a standard contact closure format used in broadcast level post production equipment, allowing computer based editing equipment to synchronously "start" at the same time
Gibson Plumage Index, albatross identification system
Global Address Space Programming Interface, an API for the development of scalable, asynchronous and fault tolerant parallel applications
Grains Per Inch, a unit that expresses the weight per length of the shaft of an arrow

Glass Packaging Institute, a trade association for the U.S. glass container industry
Global Protection & Intelligence, Inc., Private Public Figure, Executive, Diplomatic protective service based in Los Angeles, California USA.
Gurley Precision Instruments, an ISO-9001 certified U.S. manufacturing company based in Troy, New York
George Padmore Institute, a black community archive, educational resource and research centre

Greenfield Park International, a primary school in Greenfield Park, Quebec, Canada
Glacier Park International Airport, a public airport serving Flathead County, Montana
Grove Park Inn, a resort hotel in Asheville, North Carolina
Granite Peak Installation, a World War II U.S. biological weapons testing facility
Greenman-Pedersen, Inc., an engineering firm headquartered in Babylon, New York