MID

MID or Mid may refer to:

• MapInfo Interchange Format; .mid is also sometimes used as the filename extension for some MapInfo files
• Media Identification Code (MID code), a code indicating the manufacturer of a DVD
• Mobile Internet device, a category of mobile computer
• Molded interconnect device, an injection molded thermoplastic part with integrated electronic circuit traces
• Multiple interface declaration, a construct in some computer programming languages
• Musical Instrument Digital Interface, .mid is sometimes used as an alternate filename extension for MIDI files

• Multi-infarct dementia, a disease also known as vascular dementia
• Minimal important difference, the smallest improvement felt to be meaningful by a patient
• Monocyte, a type of white blood cell in the innate immune system of vertebrates

• Maritime identification digits, a 3-digit code identifying the country of a ship/coastal station using communication equipment.
• Mentioned in dispatches, a military award for gallantry or otherwise commendable service
• Militarized interstate dispute, conflicts between states that do not involve full-scale wars
• Military Intelligence Division (United States), a former military intelligence branch of the United States Army

• Integration and Development Movement, a political party in Argentina
• Ministry of Foreign Affairs (Russia), for which MID is a colloquial term
• Monastic Interreligious Dialogue, the American arm of the DIMMID, an interfaith movement

• Mérida International Airport (IATA: MID)
• Middletown station (Pennsylvania) (Amtrak station code: MID)
• Modesto Irrigation District, a special district in California
• Mortgage interest deduction, a tax deduction for mortgage interest paid by homeowners
• Measuring Instruments Directive
• Mid vowel
• Midfielder, a position in association football

• MIDS (disambiguation)