MPU may refer to: Science and technology Medical-grade polyurethane, a polyurethane used in medicine; for example see Vas-occlusive contraception Computing Memory protection unit, for example in the ARM Cortex-M Microprocessor unit, a central processing unit when referring to digital signal processors MPU-401 (MIDI Processing Unit), an obsolete standard for MIDI interfaces for personal computers Multi-core processing unit, a system made of two or more independent cores; See History of general-purpose CPUs Other uses Mabua Airstrip (IATA code: MPU), an airport in Papua New Guinea Melbourne Poets Union, a forerunner of Australian Poetry and later reincarnated under the same name Minimum publishable unit, the smallest piece of a scientist's results that can be made into an academic paper Mișcarea Politică Unirea, a Moldovan political party Myanmar Payment Union, a Myanmar financial services corporation Medical-psychological assessment in Germany, called MPU for Medizinisch-Psychologische Untersuchung