TDE may refer to: Dichlorodiphenyldichloroethane (Tetrachlorodiphenylethane), an insecticide Telefónica de España, London Stock Exchange symbol The Daily Edited, an Australian luxury fashion brand specialising in monogrammable leather goods The Dark Eye, a role-playing game Tidal disruption event, an astronomical phenomenon near a supermassive black hole Top Dawg Entertainment, a record label Total Direct Énergie (cycling team), a UCI Continental Circuits cycling team Transparent data encryption, a technique to encrypt database content Trinity Desktop Environment, an offshoot of the KDE 3.5 desktop environment Thomson-Davis Editor, console text editor