ESD

ESD may refer to:

Science

• ESD (gene), a human gene/enzyme
• Electrostatic discharge, a sudden flow of electricity between two electrically charged objects
• Electrostatic-sensitive device, any component which can be damaged by common static charges
• Energy spectral density, a part of a function in statistical signal processing
• Environmental secondary detector, a gaseous detection device used with environmental scanning electron microscopes
• Equivalent spherical diameter, a diameter of a sphere of equivalent volume
• Extreme subdwarf, a type of star

Medicine

• End-systolic dimension, the diameter across a ventricle in the heart
• Endoscopic submucosal dissection, a medical therapy with endoscopy

Education

• Education for sustainable development, international learning methodology
• Educational service district (disambiguation), regional education unit in some U.S. states
• Episcopal School of Dallas, day school in Texas, U.S.
• Evangelical School for the Deaf, in Luquillo, Puerto Rico

Government and law

• Electronic services delivery, government services provided through the Internet or other electronic means
• Empire State Development Corporation, an American public benefit umbrella organization
• Employment Security Department, a Washington state unemployment agency
• Examination support document, a submission to the United States Patent and Trademark Office

Technology

• Electronic smoking device, a device that simulates the feeling of smoking
• Electronic software distribution, delivery of digital media content
• ESD format, a file format
• Emergency shutdown, the stoppage of a process plant in certain hazardous conditions
• Engineering Society of Detroit, a multi-disciplinary association in Michigan, U.S.
• Enlightened Sound Daemon, audio software
• Environmentally sustainable design, complying with the principles of ecological sustainability in the design of objects and buildings

Transport

• Elmstead Woods railway station (station code), in London, England
• Esen Air (ICAO airline designator), a defunct airline from Kyrgyzstan
• A US Navy hull classification symbol: Expeditionary transfer dock (ESD)
• Orcas Island Airport (IATA code), Eastsound on Orcas Island, Washington, United States

Other uses

• East Side Digital Records, an American record label
• Eta Sigma Delta, an American honor society