MI

Music

• Mi, the third note of the scale in solfege
• Mi (Flower Flower album), the 2014 debut album by Flower Flower
• Mi (Super Junior-M album), a 2008 album, also called Me
• Mi (Faye Wong album), a 1994 album
• Mi (Dino Merlin album), a 2025 album
• M.I Abaga (acronym of Mr. Incredible), a Nigerian rapper and musician
• Mi Pasion, an album by Gospel Christian singer Ericson Alexander Molano
• Sammi Cheng, Hong Kong Queen of Pop
• Masked Intruder, an American pop punk band
• M.I., an album by Masked Intruder

Other media

• Maison Ikkoku, a Japanese manga written by Rumiko Takahashi
• Monkey Island series, a series of computer adventure games by LucasArts

Businesses and organizations

• 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
• 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)

Food

• Mì, Vietnamese yellow wheat (or egg) noodles and noodle soup

Language

• M, a letter in the Latin alphabet
• Mu (letter), a letter in the Greek alphabet
• Mi (cuneiform), a sign in cuneiform writing
• Mi (kana), the romanization of the Japanese kana み and ミ
• Māori language, ISO 639-1 code:mi

Military

• 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

Places

• 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)

Science, technology, and mathematics

Biology, medicine, and psychology

• 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

Computing and telecommunications

• 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
• Mi, a brand of electronics company Xiaomi
• 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

Mathematics

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

Other uses in science and technology

• 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

Sports

• 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

Other uses

• 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

See also

• MII (disambiguation)
• ML (disambiguation)
• M1 (disambiguation)
• a Japanese morpheme associated with rulers