MDI

MDI may stand for:

Management Development Institute,Gurgaon,India: An elite Business School of India. Others in the ivy league include the IIMs,FMS, SPJIMR, NIA SoM, XLRI and IIFT.
Multiple document interface
Methylene diphenyl diisocyanate, an organic chemical compound used to make polymers, e.g. polyurethane
medium dependent interface: an Ethernet port connection
metered dose inhaler, a device for administering a puff of medication into the lungs, such as for asthma
Moteur Developpment International developer of a compressed air engine
Microsoft Document Imaging Format used by Microsoft Office Document Imaging
Media Delivery Index: a set of measurements used for monitoring Quality of Service (QoS) on a network
Mdi (Mayan God), a God in Mayan mythology