Lock(s) or locked may refer to:

Common meanings

  • Lock, a mechanical fastening device
  • Lock of hair, a piece of hair
  • Lock (water navigation), a device for vessels to transit between different levels of water, as in a canal

Arts and entertainment

  • Lock (film), a 2016 Indian Punjabi-language thriller
  • Locked (film), a 2024 American thriller
  • Locked (miniseries), a 2020 Indian Telugu-language crime thriller
  • The Lock (Constable), an 1824 painting by John Constable
  • The Lock (Fragonard) or The Bolt, a 1777 painting by Jean-Honoré Fragonard
  • Locks (album), by Garnet Crow, 2008
  • "Locked", a 1993 song by Mutha's Day Out
  • "Locked", a song for the 2011 video game "Ace Combat: Assault Horizon Legacy"
  • Lock (waltz), a dance figure
  • Lock (Saga of the Skolian Empire), a sentient machine in novels by Catherine Asaro
  • LOCK, stage name of Rokka Asahi, a fictional character from BanG Dream!
  • Lock, a character in the film The Nightmare Before Christmas
  • Lock, a character in Go! Princess PreCure, a Japanese anime series

People

  • Lock (surname)
  • Ormer Locklear (1891–1920), American stunt pilot and film actor nicknamed "Lock"
  • Lock Martin (1916–1959), stage name of American actor Joseph Lockard Martin, Jr.

Places

  • Lock, South Australia, a small town
  • Lock, Ohio, United States, an unincorporated community
  • Lock Island, in the River Thames in England
  • Lock Island (Nunavut), Canada, an island

Sports

  • Lock (rugby league), a player position
  • Lock (rugby union), a player position
  • Lock, any of several grappling holds in wrestling, judo and other martial arts

Computing

  • Lock (computer science), a bookkeeping object used to serialize concurrent access
  • Lock (database), a feature used when multiple users access a database concurrently
  • Lock screen
  • File locking, a mechanism that restricts access to a computer file
  • SIM lock, a restriction on mobile phones to work only in certain countries or with certain providers

Other uses

  • Lock (firearm), the ignition mechanism of small arms
  • Lock (weapons guidance), a missile navigation system's target acquisition fix
  • Fermentation lock, a device used in beer and wine making
  • Rope lock, a device used in theater fly systems
  • -lock, an Old English suffix

See also

  • Airlock, a compartment for transfer between environments with different atmospheres
  • Loc (disambiguation)
  • Lok (disambiguation)
  • Loch, a Gaelic term for certain bodies of water
  • Locke (disambiguation)
  • LOCKSS (Lots of Copies Keep Stuff Safe), a peer-to-peer network
  • Lox, cured salmon filet
  • Lock and Key (disambiguation)