Keying

Keying may refer to:
 * Keying (electrical connector), used by electrical connectors to prevent mating in incorrect orientation
 * Keying (graphics), a technique for compositing two full frame images together
 * Keying (official) (1787–1858), a Manchu statesman during the Qing dynasty
 * Keying (ship), a Chinese junk which sailed to the U.S. and Britain in 1847–1848, named after the official
 * Keying (telecommunications), a form of modulation where the modulating signal takes one of two or more values at all times
 * Keying, vandalism of a painted surface by scratching it with a key
 * Keying, in the sociology of Erving Goffman, is an action or utterance that signals the meaning of interaction to participants. Introduced in Frame Analysis: An Essay on the Organization of Experience (1974).