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
If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: