DME is a three letter acronym that may refer to:
- Dubai Mercantile Exchange, a market in Dubai, United Arab Emirates
- Dakota, Minnesota and Eastern Railroad, a railroad in the United States
- Dry malt extract, a common ingredient in the brewing of beer.
- Digital Motor Electronics, an automotive engine control system
- Dimethoxyethane, a solvent
- Dimethyl ether, a fuel and an aerosol spray propellant
- Direct Machine Environment, a 1900 order code microcode sub-system for the ICL 2900 Series computing system from International Computers Limited
- Disney's Magical Express, an airport transportation service for Walt Disney World
- Distance measuring equipment, a navigation aid used in aviation.
- DME is the IATA code for Domodedovo International Airport, one of the airports serving Moscow, Russia
- Diastatic malt extract, used in homebrewing
- Durable medical equipment, a classification of medical devices.
- Diabetic Macular Edema, an ophthalmological disease
- Dropping mercury electrode, a working electrode made of mercury and used in polarography
- Design, monitoring and evaluation, within humanitarian and development programs
- Design Management Europe Award, a European Design Management prize