MI

MI or variants may refer to:

Arts and entertainment

Mi (film), a 2018 Burmese film
Mission: Impossible (disambiguation), multiple uses of "M.I."
- Mission: Impossible, the first American television series
- Mission: Impossible (film), a movie based on the television series
Monsters, Inc., a Pixar media franchise and an energy supply factory company in Monstropolis

M&I Bank, formerly a U.S. bank, now part Bank of Montreal
Marching Illini, the marching band at the University of Illinois
Market intelligence, information relevant to a company's markets used to support decision-making
Measurement Incorporated, an educational testing company based in North Carolina
Mechanics Institute
Mi, a brand of the electronics company Xiaomi
Micronutrient Initiative, an international not-for-profit agency based in Canada
Mil Moscow Helicopter Plant, a Russian design bureau
Militia Immaculata, a worldwide evangelist movement
Millennia Institute, a pre-university institution in Singapore
Mood Indigo (culfest), an annual cultural festival of IIT Bombay
Mountaineering Ireland, the national representative body for hikers and climbers in Ireland
Musician's Institute, an institution for higher education in California in the United States
Ordo Clericorum Regularium Ministrantium Infirmis, the Camillians, Catholic religious order
SilkAir (IATA airline designator)

Military intelligence, or milint, a military service that uses intelligence gathering disciplines to collect information that informs commanders for decision-making processes
- MI5, MI6, MI7, MI8, or MI9, the United Kingdom military intelligence sections
Operation MI, a Japanese military operation of World War II

Michalovce District, Slovakia (vehicle plate code MI)
Michigan, state abbreviation in the United States
Metropolitan City of Milan, previously the Province of Milan, Italy (vehicle plate code MI)
Minden-Lübbecke, Germany (vehicle plate code MI)
The Mission Inn Hotel & Spa, an historic hotel in Riverside, California, United States
Mistelbach District, Austria (vehicle plate code MI)
Phthiotis, Greece (vehicle plate code MI)

Mechanical Index, an ultrasound metric that is used to estimate the possibility of bioeffects
Mental illness, or mental disorder
Methylisothiazolinone, or MIT, an ingredient found in personal care products, sometimes erroneously called methylisothiazoline, used as a biocide and preservative
Motivational Interviewing, a therapeutic approach employed in clinical psychology and cognitive behavioural therapy, especially in substance abuse work
Multiple Intelligence, the theory that argues that intelligence, particularly as it is traditionally defined, does not sufficiently encompass the wide variety of abilities humans display
Myocardial infarction, the technical term for a heart attack

Machine Interface, a hardware abstraction used in the IBM System/38's architecture
Management information
Mechanistic interpretability, a subfield of explainable AI
Mi (prefix symbol), the IEEE prefix symbol for mebi, that represents 2²⁰
Mobile Internet, a browser-based access to the Internet or web applications using a mobile device connected to a wireless network
Multiple inheritance, a feature of some object-oriented programming languages in which a class can inherit behaviors and features from more than one superclass

Mathematical induction
Mutual information, a measure of mutual dependence of two random variables in probability and information theory

Malleable iron, a type of cast iron
Melt Flow Index, a characteristic property of a thermoplastic polymer as a means of quality control
Mile, a measure of distance in the Imperial system, about 1.6 km
Mineral-insulated copper-clad cable, a type of electrical cable
Moment of inertia, a measure of an object's resistance to changes in its rotation rate
MI, or M_i, magnitude-intensity relation, or magnitude intensity scale, used to assess the magnitude of historic earthquakes that occurred prior to the development of seismographs in the late 19th century, see Mercalli intensity scale
Multi Interface Shoe, a camera hotshoe introduced by Sony in 2012
Machine intelligence, another name for Artificial intelligence

Mumbai Indians, an Indian Premier League team
- Mumbai Indians (WPL), an Indian Women's Premier League team
MI New York, a Major League Cricket team
MI Cape Town, a South African cricket team

1001 (number), in Roman numerals
Mi (surname), various Chinese people
Media Indonesia, a newspaper in Jakarta, Indonesia
Mia (given name)
Middle initial, in human names
Monumental Inscription
Mortgage insurance, or mortgage guaranty, an insurance policy which compensates lenders or investors for losses due to the default of a mortgage loan
Mi goreng, a fried noodle dish common in Indonesia
Milton line (MI), of the GO Transit rail network in Ontario, Canada