DE, de, or dE may refer to: Human names De (surname), a Bengali family name de, a nobiliary particle Dé (footballer, 1940–1992), Ademar José Ribeiro, Brazilian football left-back Dé (footballer, born 1998), Cledson Carvalho da Silva, Brazilian football forwardLanguage and linguistics 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) de-, an English prefix conveying negation Downward entailing, a linguistic expression that denotes a monotone decreasing functionMedia and business Condor (airline) (IATA code), a German airline Douwe Egberts, a coffee brand Digital Extremes, a Canadian-operated computer and video game development studio Daily Express, a British tabloid newspaper John...