DMI stands for:
- A default BIOS, see Desktop Management Interface.
- An interface, see Direct Media Interface.
- Directorate of Military Intelligence, Military Intelligence Service in the UK Ministry of Defence
- Danish Meteorological Institute, a Danish Weather Service
- Demethylase inhibitor, a group of enzymes which inhibit ergosterol biosynthesis of fungi ( SBI fungicides).
- German Maritime Institute
- German microfilm Institute
- German Microfinance Institute
- German Fashion Institute
- DMI Systems AG, Hamburg consulting company in the health and social care
DMI as a distinguishing mark on license plate:
- Poland: powiat Milicki in the Lower Silesian Voivodeship