ECD

ECD may refer to:


 * Early childhood development
 * Endocardial Cushion Defect Heart structural defect
 * Eastern Caribbean dollar
 * Eastern Continental Divide in North America
 * ECD (gene)
 * E. C. Drury School for the Deaf, in Milton, Ontario, Canada
 * Electronic Commerce Directive 2000
 * Electronic Control Device, a TASER or stun gun
 * Economic Crime Department of the City of London Police
 * Electron capture detector
 * Electron-capture dissociation
 * Electronic civil disobedience
 * Energy Citations Database, maintained by the United States Department of Energy
 * Energy Conversion Devices, an American photovoltaics manufacturer
 * English country dance, a type of social dance
 * Equine Cushing's disease
 * Erdheim–Chester disease
 * Expanded criteria donor, a class of organ donors
 * Explanatory combinatorial dictionary
 * ECD Corporation, a defunct computer and electronics company