Key
Key or The Key may refer to:

Common meanings
Key (cryptography), a piece of information needed to encode or decode a message
Key (lock), an object needed to open a mechanical lock
Key (map), a guide to a map's symbology
A typewriter or computer keyboard key
Answer key, a list of answers to a test

In music
Key (music), the scale of a piece of music
Key (instrument), finger-operated mechanism in musical instruments
Keys, colloquial term for keyboard instruments

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
Rural Municipality of Keys No. 303, Saskatchewan, Canada
Key, Iran, a village in Isfahan Province, Iran
Key Island, Tasmania, Australia
The Key, New Zealand, a locality in Southland, New Zealand

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 (Curley novel), a 2005 novel by Marianne Curley
The Key (Elfgren and Strandberg novel), a 2013 novel by Mats Strandberg and Sara Bergmark Elfgren
The Key (Tanizaki novel), a 1956 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
The Key, a magazine published by Kappa Kappa Gamma
The Key, a music publication of WXPN in Philadelphia

Music
Albums
Key (Meredith Monk album), 1971
Key (Son, Ambulance album), 2004
The Key (Joan Armatrading album), 1983
The Key (Vince Gill album), 1998
The Key (Nocturnus album), 1990
The Key (Operation: Mindcrime album), 2015
Keys (album), a 2021 album by Alicia Keys

Songs
"The Key" (Speech Debelle song), 2009
"The Key" (Matt Goss song), 1995
"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" (Fear the Walking Dead), 2020
"The Key" (Prison Break), 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
Key (character), a supervillain in the DC Comics universe
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

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 Prime 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)