DE

DE, de, or dE may refer to:

Human names

De (surname), a Bengali family name
Dé (footballer, 1940–1992), Ademar José Ribeiro, Brazilian football left-back
Dé (footballer, born 1998), Cledson Carvalho da Silva, Brazilian football forward
de, a nobiliary particle

De (Cyrillic) (Д, д), a letter in the Cyrillic script
German language (ISO 639-1 alpha-2 code)
De (kana) (で, デ), a Japanese hiragana/katakana
de (interjection), Albanian interjection
de-, an English prefix denoting reversal, undoing, removing; intensifying; or from, off
Downward entailing, in linguistic semantics, a property of a modifier that reduces the number or degree an expression

Condor (airline) (IATA code), a German airline
Daily Express, a British tabloid newspaper
Digital Extremes, a Canadian-operated computer and video game development studio
Douwe Egberts, a coffee brand
John Deere (NYSE stock ticker symbol), an American machinery manufacturer

Defence Estates, an agency of the UK Ministry of Defence
Desert Eagle, a large-caliber semi-automatic pistol manufactured by Magnum Research
Destroyer escort (US Navy hull classification symbol)

Design engineer, engineer whose specialty is design
Desktop environment, a graphical user interface commonly based on a desktop metaphor
Dextrose equivalent, the relative sweetness of sugars
Diatomaceous earth, a naturally occurring, soft, siliceous sedimentary rock mineral
Differential equation, an equation which derivatives of a function appear as variables
Differential evolution, a method of mathematical optimization
Doctor of Engineering, a degree equivalent to a Ph.D. in engineering
Dwarf elliptical galaxy (dE), in astronomy
Dynamics Explorer, a NASA satellite mission
Haplogroup DE (Y-DNA), a human Y-chromosome DNA haplogroup in genetics
ΔE (color space) (dE), a mathematical measurement of the distance between two points in a Lab color space