MPI

MPI or Mpi may refer to:

Biology and medicine

Magnetic particle imaging, an emerging non-invasive tomographic technique
Myocardial perfusion imaging, a nuclear medicine procedure that illustrates the function of the heart muscle (myocardium)
Mannose phosphate isomerase, an enzyme
Mass psychogenic illness, the rapid spread of illness signs and symptoms affecting members of a cohesive group
Master patient index, an index referencing all patients
Multidimensional Pain Inventory, a pain medicine assessment questionnaire

Magnetic Peripherals Inc., a Control Data Corporation subsidiary renamed Imprimis and sold to Seagate Technology
Manitoba Public Insurance, a non-profit Crown corporation based in Manitoba
Markov Processes International, a global provider of investment research, analytics and technology
Materials Processing Institute, a not-for-profit company providing industrial R&D services based in Teesside, UK
Max Planck Institute, scientific research institutes in Germany
Migration Policy Institute, a human migration research institute based in Washington, DC
Mihajlo Pupin Institute, an ICT research institute based in Belgrade, Serbia
Ministry for Primary Industries (New Zealand), a government agency in New Zealand
Ministry of Planning and Investment (Vietnam)
Mission Pictures International, a foreign sales, finance, and distribution company
MotivePower, a locomotive manufacturer and rebuilder
Movimiento Pro-Independencia, the Puerto Rican Pro-independence Movement
Moving Picture Institute, an American non-profit organization and film production company
MPI Media Group, an American home entertainment company

Marburg Picture Index, online database of photographs of artworks
Merchant plug-in, software used to prevent credit card fraud on e-commerce sites
Message Parsing Interpreter, a Lisp-like language on TinyMUCK
Message Passing Interface, a communications protocol for parallel computation
Multi-Point Interface, an automation programming protocol from Siemens
Multipath interference, a physical effect which causes signal degradation in communication systems
Multiple precision integer, a programming language type supporting arbitrary precision

Mpi language, a Loloish language of Thailand
Mpi people, an ethnic group from Thailand
MPI MPXpress, a series of diesel-electric passenger train locomotives
Magnetic particle inspection, a non-destructive method used to detect defects in ferrous materials
Mariposa-Yosemite Airport, FAA location identifier, Mariposa County, California
Milanka Price Index, one of the principal stock indices of the Colombo Stock Exchange in Sri Lanka
Multidimensional Poverty Index, used by the UNDP
Multi point injection, fuel injection system for automobile engines
Maximum potential intensity, a meteorology term associated with tropical cyclones