QED

QED may refer to:

Q.E.D., from the Latin quod erat demonstrandum, used at the end of a definitive proof
Quantum electrodynamics, a field of physics
- QED: The Strange Theory of Light and Matter, a 1985 book adapting lectures by Richard Feynman on quantum electrodynamics
QED (text editor), named from "quick editor"
Q.E.D. (U.S. TV series), short-lived adventure series named after its title character Quentin Everett Deverill
Q.E.D. (BBC TV series), a British science series
Q.E.D. (manga), Q.E.D. ~Shomei Shuuryou~,a detective fiction manga by Motohiro Katou
QED (play), a 2001 play by Peter Parnell about Richard Feynman
QED (band), a 1980's Australian New Wave band including Jenny Morris
Q.E.D. (album), an album by Terje Rypdal
QED project, a database of mathematical knowledge
Quantum Effect Devices, a microprocessor design company
Quantum Entanglement Device, a prop used in the television show FlashForward
Queen's Economics Department, at Queen's University

See also