ETD may refer to:
Science and technology
- Eustachian tube dysfunction, a disorder of the middle ear
- Everhart–Thornley detector
- Explosives trace detector or explosive trace detection
- Eye-tracking device, an experiment on the International Space Station
- Electron-transfer dissociation
- End-of-train device
Businesses and organizations
- Club of Four (French: Société Européenne de Travaux et de Développement), an alliance of French truck manufacturers
- Estuary Transit District, an American transit operator
- ICAO designator for Etihad Airways, an Emirati airline
- Exoplanet Transit Database, a database of exoplanet transit observations
- Etadunna Airstrip, IATA airport code "ETD"
Other uses
- Electronic Theses and Dissertations, a term used by librarians for a class of institutional repository item
- Estimated time of departure
- Exchange-traded derivative contract, a financial instrument
- Spyro: Enter the Dragonfly, a 2002 platform video game
This disambiguation page lists articles associated with the title ETD.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: