Key
Common meanings
- Key (cryptography), a piece of information that controls the operation of a cryptography algorithm
- Key (lock), device used to control access to places or facilities restricted by a lock
- Key (map), a guide to a map's symbology
- Key, on a typewriter or computer keyboard
- Answer key, a list of answers to a test
Geography
- Cay, also spelled key, a small, low-elevation, sandy island formed on the surface of a coral reef
United States
- Key, Alabama
- Key, Ohio
- Key, West Virginia
- Keys, Oklahoma
- Florida Keys, an archipelago of about 1,700 islands in the southeast United States
Elsewhere
- Key, Iran, a village in Isfahan Province, Iran
- Key Island, Tasmania, Australia
Arts and media
Films
- The Key (1934 film), a 1934 film directed by Michael Curtiz
- The Key (1958 film), a war film directed by Carol Reed, starring William Holden and Sophia Loren
- The Key, also known as Odd Obsession, a 1959 Japanese film directed by Kon Ichikawa
- The Key (1961 film), a Soviet animated feature
- The Key (1965 film), a Yugoslav omnibus film
- The Key (1971 film), a Czechoslovakian drama
- The Key (1983 film), an Italian erotic film directed by Tinto Brass, starring Stefania Sandrelli
- Kelid (The Key), a 1987 Iranian film written by Abbas Kiarostami
- The Key (2007 film), a French thriller film directed by Guillaume Nicloux
- Key (film), a 2011 film
- The Key (2014 film), an American film directed by Jefery Levy
Literature
- The Key (comics), a supervillain in the DC Comics universe
- The Key (Curley novel), by Marianne Curley
- The Key (Elfgren and Strandberg novel), by Mats Strandberg and Sara Bergmark Elfgren
- The Key (Tanizaki novel), by Jun'ichirō Tanizaki
- "The Key" (short story), a 1966 short story by Isaac Asimov
- The Key, a 1969 book of etymology by John Philip Cohane
Music
- Key (music), the scale of a piece of music
- Key (instrument), part of a musical instrument used for playing or tuning
- Keys, short for keyboard instruments
Albums
Songs
- "The Key" (Speech Debelle song), 2009
- "The Key" (Ou Est Le Swimming Pool song), 2010
- "Key", a song from the album Maid in Japan by Band-Maid
- "The Key", a song by Edita Abdieski
- "Key", a song from the album Minecraft – Volume Alpha by C418
Television
- "The Key" (Code Lyoko episode), 2005
- "The Key" (Prison Break episode), 2006
- "The Key" (The Walking Dead), 2018
- "The Key" (Yes, Prime Minister), 1986
- "The Keys" (Seinfeld), a 1992 TV episode
Other uses in arts and media
- Kirby's Epic Yarn (KEY), a 2010 game by Nintendo
- Key, the title character of Key the Metal Idol, a Japanese anime OVA series
- The Key, a painting by Jackson Pollock
- The Key, a magazine published by Kappa Kappa Gamma
People
- Key (entertainer) (born 1991), South Korean entertainer
- Key (surname)
- Keys (surname)
Sports
- Key (basketball), a restricted area around the basketball net
- Frederick Keys, a Double-A minor league baseball team
Technology
- Key (computing), a field in a computer file or database used to sort or retrieve records
- Key (engineering), a type of coupling used to transmit rotation between a shaft and an attached item
- KeY, a software verification tool
- The Key (smartcard), a contactless smartcard for public transport ticketing in Britain
- .key, file extension used by Keynote
- Identification key, used to identify biological entities
- Telegraph key, the button used by a telegraph operator
Other uses
- Key (company), a Japanese visual novel studio
- The Key School, an independent coeducational school in Annapolis, Maryland
- Keys, a truce term used in western Scotland
- Amazon Key, a service by Amazon allowing customers to get deliveries inside of their home or car
- House of Keys, the directly elected lower branch of Tynwald, the parliament of the Isle of Man
- Samara (fruit) or key, a type of fruit
See also
- All pages with titles beginning with Key
- All pages with titles containing Key
- Keay, a surname
- Keyes (disambiguation)
- Keying (disambiguation)
- Quay (disambiguation)
- Qi (disambiguation)
- The Keys (disambiguation)
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