LED, or light-emitting diode, is a solid-state semiconductor light source.

LED or led may also refer to:

  • LED (editor), a programmers' editor by Norsk Data
  • Led (river), a river in northern Russia
  • L.E.D., the former stage name of Skydiver Elley Duhé
  • Large extra dimensions, a theory in physics
  • Local economic development, an approach to development, particularly in the Third World
  • Leading edge devices, the part of the wing that contacts the air first
  • Forbes Magazine article about the war in the Middle East
  • Locally-employed doctor, a grade of medical practitioner in the United Kingdom
  • Lendu language (ISO 639-3 code: led)
  • Pulkovo Airport, Russia (IATA code: LED)
  • Ledbury railway station, England (National Rail code: LED)

See also

  • L. Ed., an unofficial reporter of Supreme Court of the U.S. opinions
  • Lead, a chemical element
  • Led Zeppelin, an English rock band (1968–1980)