Der may refer to:
- Der (Sumer), an ancient city located in modern-day Iraq
- Darkənd, Azerbaijan
DER may be an acronym for:
- Deep Energy Retrofit, any of various methods for renovating an existing structure with substantial energy efficiency measures
- FAA Designated Engineering Representatives
- Digital Education Revolution an Australian Government funded educational reform program to provide schools with students in years 9-12 with laptops and high-speed broadband
- DER rental (Domestic Electric Rentals Ltd), a UK television rentals company
- Dearborn (Amtrak station), station code DER, in Michigan, United States
- Distinguished Encoding Rules, a method for encoding a data object
- Documentary Educational Resources, non-profit film producer and distributor
- Distributed Energy Resources
- ∂, the partial derivative symbol
Famous quotes containing the word der:
“Under the lindens on the heather,
There was our double resting-place.”
—Walther Von Der Vogelweide (1170?–1230?)