GPI
# GPI

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

### Materiel

* United States national missile defense#Glide phase interceptors (GPIs)

## 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
