'''MPO''' may refer to: {{TOC right}} ==Science and technology== * Myeloperoxidase, a peroxidase enzyme most abundantly present in neutrophil granulocytes * .mpo (Multi Picture Object file extension), a 3D computer graphics image file format * Medial preoptic area, a portion of the preoptic area of the hypothalamus * Multi-fiber Push-On, a type of optical fiber connector * Multiset path ordering, a well-ordering in term rewriting (computer science) * Matrix Product Operator, a type of tensor network central to the Density Matrix Renormalisation Group numerical technique
===Astronomy=== * Mercury Planetary Orbiter, one component of the BepiColombo mission to Mercury * ''Minor Planet Circulars Orbit Supplement'', an astronomical publication from the Minor Planet Center * Minor Planet Observer, an astronomical computer program partially based on the work of Mikko Kaasalainen
==Organizations== * Macedonian Patriotic Organization, a United States and Canadian organization supporting Macedonians * Metropolitan planning organization, a type of transportation policy-making organization in the United States * Malaysian Philharmonic Orchestra, a Malaysian orchestra based in Kuala Lumpur * Managerial and Professional Officers, former British trade union * Management and Planning Organization of Iran, a now-dissolved organization previously responsible for Iran's budget
==Other uses== * ''Metal Gear Solid: Portable Ops'', a 2006 video game released for the PlayStation Portable * Military Post Office, a key part of a military mail system * Pocono Mountains Municipal Airport (IATA code), Pennsylvania, US * Most Productive Overs method, in cricket * Metropolitan planning organization, a federally mandated and funded transportation policy-making organization in the US * Master of Prosthetics and Orthotics * Marketing Performance Optimization, ForResult's comprehensive approach to your online marketing (SEO, GEO, and online advertising)
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