| Acronym | Definition |
|---|
| ED | Edition |
| ED | Education |
| ED | Editor |
| ED | US Department of Education |
| ED | Edit (IBM) |
| ED | Every Day |
| ED | Emergency Department |
| ED | Executive Director |
| ED | Engineering Design |
| ED | Engineering Department (US Army, circa 1900) |
| ED | Economic Development |
| ED | Environmental Design |
| ED | Environmental Defense |
| ED | Exposure Draft |
| ED | Effective Date |
| ED | Electronic Discovery (law) |
| ED | Eating Disorder |
| ED | Evil Dead (game) |
| ED | Erectile Dysfunction |
| ED | Eastern Division |
| ED | Early Detection |
| ED | Emily Dickinson |
| ED | Edison (conglomerate of power companies) |
| ED | Extra-Low Dispersion (glass) |
| ED | Event Driven (simulation method) |
| ED | Emotional Disturbance |
| ED | Eminent Domain |
| ED | Emotionally Disturbed |
| ED | Enforcement Division |
| ED | Early Death (oncology) |
| ED | Early Dismissal |
| ED | Effective Dose |
| ED | Engineering Data |
| ED | Emotional Disability |
| ED | Enumeration District |
| ED | Enforcement Directorate (India) |
| ED | Electric Dipole (physics) |
| ED | Early Decision |
| ED | Entertainment District |
| ED | European Delivery (cars) |
| ED | Endocrine Disruptor |
| ED | Equally Distributed |
| ED | Eric Dickerson (ex-NFL player) |
| ED | Engineering Development |
| ED | Eternal Darkness (video game) |
| ED | Exposure Duration |
| ED | Encyclopedia Dramatica |
| ED | École Doctorale (French: Graduate School) |
| ED | Evolutionary Development |
| ED | Evaluation Directive (US DoD) |
| ED | Excise Duty |
| ED | Edge Distance |
| ED | External Device |
| ED | Electron Diffraction |
| ED | European Directive |
| ED | En Dergelijke (Dutch: et cetera) |
| ED | Entner-Doudoroff |
| ED | Emergency Dispatch |
| ED | Enzymatic Digestion |
| ED | Explosives Detection |
| ED | Early Deployment |
| ED | Employment Date |
| ED | Electrical Discharge (metal machining process) |
| ED | Electrodeposited |
| ED | Ex Dividend |
| ED | Engine Down (band) |
| ED | Error Detecting |
| ED | Equipment Description (Bell System) |
| ED | Engineering Demonstration (Synthetic Theater of War program) |
| ED | Ectodermal Dysplasias |
| ED | Edge Detector |
| ED | Extensor Digitorum |
| ED | Erectile Difficulties |
| ED | Envelope Delay (US DoD) |
| ED | Epileptiform Discharge |
| ED | Executive Directive |
| ED | Explosive Diarrhea |
| ED | Exploratory Development |
| ED | Explosive Decompression (rapid expansion of gas in elastomeric seals) |
| ED | Emotional Dysregulation |
| ED | Expedited Data |
| ED | Emergency Director |
| ED | Ephemeris Data |
| ED | Enhanced Damage (Diablo game) |
| ED | Experiences and Directions (OWL workshop) |
| ED | European Dialogue (human rights group; UK) |
| ED | Estrutura de Dados |
| ED | Ending Delimiter |
| ED | Enterodiol |
| ED | Exempt From Duty |
| ED | Enterprise Dynamics (decision support tool) |
| ED | Energy Delay |
| ED | Exit Distance (US DoD) |
| ED | Edge Density |
| ED | Exploitation and Development |
| ED | Enforcement Droid (Robocop) |
| ED | Ethyldichloroarsine |
| ED | Erase Display |
| ED | Excused from Duty |
| ED | Emergency Decontamination |
| ED | Euclidean Domain |
| ED | Embarkation Depot |
| ED | Error Density |
| ED | Extra-High Density |
| ED | Efficiency Decoration |
| ED | Emergency Destruction |
| ED | Electronic Deception |
| ED | Encephalomyelitis disseminata (multiple sclerosis) |
| ED | Euro Deli (Montreal, QB, Canada restaurant) |
| ED | Electron Domain |
| ED | Elbow-Disarticulation (amputation) |
| ED | Electrical Differential |
| ED | Electronic Detention (parole) |
| ED | Eye-Protective Device |
| ED | Exhaust Damper |
| ED | Ear Diameter (corn) |
| ED | Explosives Development |
| ED | European Doctorate in the Social History of Europe and the Mediterranean |
| ED | Enigma Designs |
| ED | Experiment Driver |
| ED | Electrostatic Death (band) |
| ED | Embryonation Day |
| ED | Engineer Directives (USACE) |
| ED | Effective Date Unit Enters Federal Active Duty |
| ED | Exotic Dancing/Dancer |
| ED | Electronic Distancer |
| ED | Evolutionary Distinctiveness (scoring system used by Evolutionarily Distinct and Globally Endangered (EDGE)) |
| ED | Definitive Orbital Element |
| ED | Electronics Lock Deck |