MMI

MMI may refer to:

Science and technology

 * Man-machine interface or user interface
 * GSM Man-Machine Interface, a mobile telephony standard, see Unstructured Supplementary Service Data § Man-Machine Interface
 * Modified Mercalli intensity scale, an earthquake intensity measure
 * W3C MMI or Multimodal Interaction Activity
 * Monolithic Memories, Inc. (1969–1987), an American semiconductor manufacturer
 * Motorola Mobility (NYSE: MMI), a publicly traded electronics company, formerly part of Motorola
 * Multi Media Interface, an in-car interface system developed by Audi
 * Maximum mutual information criterion
 * Methimazole, a drug used to treat hyperthyroidism
 * Multi mode interferometer
 * Modified Mecalli Index

Music

 * Miss May I, a metalcore band from Ohio
 * Madurai Mani Iyer, Indian singer

Schools

 * Marion Military Institute, a military junior college in Marion, Alabama
 * Marymount International School of Rome, a private Catholic school in Rome, Italy
 * Miami Military Institute, a former military college that was located in Germantown, Ohio
 * Millersburg Military Institute, a defunct military school in Kentucky
 * MMI Preparatory School, a college preparatory school in Freeland, Pennsylvania
 * Motorcycle Mechanics Institute, a program of the Universal Technical Institute

Other uses

 * 2001 (year)
 * 2001 or MMI in Roman numerals
 * Manufacturers Mutual Insurance, a former Australian insurance company, now called Allianz Australia
 * Municipal Mutual Insurance, a British insurance company
 * Maximum medical improvement, a plateau in a person's healing process
 * McMinn County Airport's identification code
 * Multiple mini interview, an interview method to assess soft skills
 * Muslim Mosque, Inc., an organization founded by Malcolm X
 * NYSE Arca Major Market Index