ECD

The acronym ECD may have different meanings:
* Enhanced Compact Disc, a CD format
* Electronic civil disobedience, a type of civil disobedience
* English Country Dance, a form of folk dance
* Electron capture detector, a scientific device
* Electron capture dissociation, a spectrometric method
* Energy Conversion Devices, a company founded by Stanford Ovshinsky
* East Caribbean dollar, an alternative but incorrect abbreviation for XCD
* Estimated Completion Date
* Expanded Criteria Donor, a term for organ donors who are below a set of standard criteria
* Equivalent Circulating Density, a measurement used in oil or natural gas drilling