MRI (disambiguation)

MRI, or magnetic resonance imaging, is a medical imaging technique.

MRI or mri can also refer to:

• Magnetic Resonance Imaging (journal), a scientific journal
• Magnetorotational instability, in astrophysics
• Mean Recurrence Interval, of floods and other variable events
• Meuse-Rhine-Issel, a breed of cattle
• Monoamine reuptake inhibitor, a type of drug class, primarily for use as antidepressants
• Ruby MRI (Matz's Ruby Interpreter), the reference implementation of the Ruby programming language

• Manchester Royal Infirmary, a hospital in Manchester, England
• Manggarai railway station, Jakarta, Indonesia, a station code
• Maritime Rescue Institute, a former maritime training and rescue charity
• Mauritius, an IOC code
• Max Rubner Institute, a government health agency in Germany
• Member of the Royal Institution, Westminster, United Kingdom
• Mental Research Institute, a systemic and family therapy organization in Palo Alto, California, United States
• Merrill Field, Alaska, United States, an IATA code
• Microwave Research Institute, now called Weber Research Institute, a research group at the Polytechnic Institute of New York University
• Midwest Research Institute, a Kansas City-based non-profit research institute since 1944, Missouri, United States

• Magnum Research, Inc., an American firearm manufacturer

• Mri (fictional alien species), in the Faded Sun Trilogy
• Māori language, an ISO 639-3 code