MDI

MDI may refer to:

In computer science:

• Media Delivery Index, a metric used in IPTV networks
• Medium Dependent Interface, a type of Ethernet port connection
• Microsoft Document Imaging Format, a proprietary file format
• Mission Data Interface, an interface developed by NUWC Keyport
• Multiple document interface, a type of software application interface

In health:

• Mini dental implant
• Major Depression Inventory, a self-report mood inventory developed by the World Health Organization
• Metered-dose inhaler, a device that helps deliver a specific amount of medication to the lungs
• Multiple Drug Intake, an unnatural cause of death
• Multiple Daily Injections, a technique of intensive insulinotherapy

In organizations:

• Management Development Institute, a business school in Gurgaon, India
• Men's Divisions International, a non-profit men's organization in North America
• Merchants Distributors, Inc., a wholesale grocery store distributor based in Hickory, North Carolina
• Movement for Democracy and Independence, a former political party in the Central African Republic
• Motor Development International, a compressed air car maker

In other uses:

• Mount Desert Island, an island off the coast of the U.S. state of Maine
• Methylene diphenyl diisocyanate, a chemical
• Michelson Doppler Imager, an instrument on board the SOHO spacecraft