MSI

MSI may refer to:

• Macedonian Scientific Institute, an institution in Sofia, Bulgaria
• Marketing Science Institute, a nonprofit learning institution in Cambridge, Massachusetts, US
• Media Sport Investment, the international fund of investors that ran Sport Club Corinthians Paulista
• Millennium Science Initiative, an international program bringing technology to developing nations
• Ministry of Science and Innovation (New Zealand)
• Minority-serving institution, in US higher education
• MSI Reproductive Choices, an international non-governmental organisation providing contraception and safe abortion services, with a global HQ in London, UK
• Museum of Science and Industry (Chicago)
• Science and Industry Museum, in Manchester, England
• University of Minnesota Supercomputing Institute
• Italian Social Movement (Movimento Sociale Italiano), a defunct post-fascist party

• Micro-Star International, a Taiwanese information technology company
• Midwest Scientific Instruments, a defunct American computer company
• Morgan Stanley (Broker ID), an American financial services company
• Motorola Solutions (NYSE: MSI), an American data communications and telecommunications equipment provider
• Movie Star (company) (AMEX: MSI), an American clothing manufacturer

• MSI Barcode, a continuous numeric barcode symbology
• Microsatellite instability, an abnormality of DNA
• Mass spectrometry imaging, a technique used in mass spectrometry
• Mass sociogenic illness, the rapid spread of physical symptoms of illness among the members of a group with no physical or infectious cause
• Magnetic source imaging, magnetoencephalography combined with magnetic resonance imaging
• Multispectral imaging, the capture of multiple, specific wavelengths in the electromagnetic spectrum
• Musculoskeletal injury, damage of muscular or skeletal systems which is usually due to a strenuous activity

• .MSI, the filename extension of Windows Installer packages
• Medium Scale Integration, a generation of integrated circuit chips which contain hundreds of transistors
• Message Signaled Interrupts, a PCI 2.2 interrupt-mechanism
• MSI protocol, a basic cache-coherence protocol used in multiprocessor systems

• Maison du Sport International, an office complex in Lausanne, Switzerland
• Maritime safety information
• Medical Service Insurance, the Government of Nova Scotia's health insurance
• Mid-Season Invitational, an annual League of Legends tournament
• Mindless Self Indulgence, an American band
• Multistakeholder initiative, a governance structure
• A US Navy hull classification symbol: Inshore minesweeper (MSI)