FPI

FPI may refer to:

Government and politics

 * Federal Prison Industries, a US government corporation which employs prison labor
 * Foreign Policy Initiative, an American think tank
 * Foreign Policy Institute, a Turkish think tank
 * The Foreign Policy Institute, a research institute at Johns Hopkins University
 * Islam Defenders Front (Indonesian: Front Pembela Islam), an Indonesian political organization
 * Ivorian Popular Front (French: Front populaire ivoirien)
 * The Service for Foreign Policy Instruments, a service of the European Commission

Science, engineering and mathematics

 * Fabry–Pérot interferometer
 * Fast probability integration, a method used in reliability engineering
 * Fixed-point iteration
 * Fluorescent penetrant inspection
 * Formal Public Identifier
 * Freiburger Persönlichkeitsinventar, a psychological personality test

Other uses

 * Family and Parenting Institute
 * Faridpur Polytechnic Institute
 * Football Power Index
 * Force Protection Inc, an American military vehicle manufacturer
 * Foreign portfolio investment
 * Free Press of India
 * Frunze Polytechnic Institute, now Kyrgyz Technical University