| Acronym | Definition |
|---|
| ETD | Electronic Theses and Dissertations |
| ETD | Enter the Death (French forum) |
| ETD | Experience the Difference |
| ETD | Elantech Touchpad Driver (computing) |
| ETD | Elect the Dead |
| ETD | Estimated Time of Departure |
| ETD | Emergency Travel Document (various locations) |
| ETD | Ebx Transfer Data |
| ETD | External Type Declaration |
| ETD | Equipo Terminal de Datos (Spanish: Data Terminal Equipment) |
| ETD | Expected Time of Delivery (pregnancy) |
| ETD | Exclusive Thai Decor (Thailand) |
| ETD | Explosive Trace Detection (technology/machine) |
| ETD | Electron Transfer Dissociation |
| ETD | Effective Training and Development (UK) |
| ETD | Eustachian Tube Dysfunction |
| ETD | Estimated Time of Delivery |
| ETD | Experimental Toxicology Division (US EPA) |
| ETD | European Telework Development |
| ETD | Expected Time of Departure |
| ETD | Énergies et Territoires Développement (French: Energy and Territories Development) |
| ETD | Entering Temperature Difference (heat exchange) |
| ETD | Emerging Technology Division (various companies) |
| ETD | Européenne Techniques Diffusion (French: European Distribution Techniques) |
| ETD | Extended Training Day |
| ETD | Empfohlene Tagesdosis (German product labeling) |
| ETD | Equal Treatment Directive (EU) |
| ETD | Estimated Time of Death |
| ETD | End of Train Device (railroads/trains) |
| ETD | External Tank Door (US NASA) |
| ETD | Exchange Traded Derivative |
| ETD | Electronic Tuning Device |
| ETD | End Trade Drawdown (finance) |
| ETD | Estuary Transit District (Connecticut, USA) |
| ETD | Education and Training Development |
| ETD | Extensions to Dwellings (UK) |
| ETD | Effective Transfer Date |
| ETD | Electronic Transfer Device |
| ETD | Energy Technology Development |
| ETD | Energy Technology Division |
| ETD | Enhanced Trickle-Down (water acidification model) |
| ETD | Economics and Technology Division (EPA) |
| ETD | Electrothermal Deactivation (infectious waste disposal) |
| ETD | Extension Trunk Dialling |
| ETD | Enlisted Training Division |
| ETD | Enabling Technology Demonstration |
| ETD | Electric Transmission Demonstrator |
| ETD | Enlisted Training Directorate |
| ETD | Executive Transportation Detachment (US Navy) |
| ETD | Total Transportation Energy Demand (Carolina Environmental Program) |
| ETD | Experimentation and Test Directorate |