MI may represent:

• Mesterséges Intelligencia, Artificial Intelligence in Hungarian
• Minnesota, U.S. postal abbreviation
• Military intelligence
• Mission: Impossible, an American television series
• Mission: Impossible (film), a movie based on the television series of the same name
• Mi Pasion, third album by Gospel Christian singer Ericson Alexander Molano
• Monkey Island series, a series of computer adventure games by LucasArts
• Monsters, Inc., a Disney/Pixar Film.
• Motivational Interviewing, a counseling approach employed in clinical psychology
• Myocardial infarction, the technical term for a heart attack.

Mi may represent:

• Mi (band), an all-female Japanese pop/rock group
• Mebi-, the IEEE prefix that represents 2²⁰
• Mil Moscow Helicopter Plant, a Russian design bureau.
• Sammi Cheng, Nickname for Hong Kong Queen of Pop.

mi may represent:

• Mi, the third note of the scale in solfege
• Mi (kana), romanization of the Japanese kana ? and ?
• Mi (kanji) romazation of the Japanese kanji (?)
• mi editor, a freeware enhanced text editor for the Mac OS
• Mile, a measure of distance in the Imperial system, approximately equal to 1.609 km
• M?ori language, using the ISO 639-1 language code

de:Mi eo:Mi fr:Mi it:Mi pl:Mi fi:Mi