Lock(s) or Locked may refer to:

Common meanings

*Lock and key, a mechanical device used to secure items of importance *Lock (water navigation), a device for boats to transit between different levels of water, as in a canal

Arts and entertainment

*Lock (film), ''Lock'' (film), a 2016 Indian Punjabi-language film *Lock (waltz), a dance figure *The Lock (Constable), ''The Lock'' (Constable), an 1824 painting by John Constable *The Lock (Fragonard), ''The Lock'' (Fragonard) or ''The Bolt'', a 1777 painting by Jean-Honoré Fragonard *Lock (Saga of the Skolian Empire), Lock (''Saga of the Skolian Empire''), a sentient machine in the novels by Catherine Asaro *Locks (album), ''Locks'' (album), by Garnet Crow, 2008 *Locked (film), ''Locked'' (film), a 2024 American thriller *Locked (miniseries), ''Locked'' (miniseries), a 2020 Indian Telugu-language crime thriller *"Locked", a song by Mutha's Day Out from ''My Soul Is Wet'' (1993) * "Locked" (Incorrectly labeled “Gravity” in some places), a song by DJ3no made for the video game “Ace Combat: Assault Horizon Legacy” (2011) * LOCK, the stage name of Rokka Asahi, a fictional character from ''BanG Dream!''

Fictional characters

* Lock, from ''The Nightmare Before Christmas'' * Lock, from ''Go! Princess PreCure''

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. *George Locks (1889–1965), English cricketer

Places

*Lock, Ohio, an unincorporated community in the United States *Lock, South Australia, a small town in the center of the Eyre Peninsula *Lock Island, an island in the River Thames in England *Lock Island (Nunavut), an island Peel Sound in Nunavut, Canada

Sports

*Lock (rugby league), a player position in rugby league, known as loose forward in the United Kingdom *Lock (rugby union), a player position in rugby union *Lock, any of several grappling holds in wrestling, judo and other martial arts

Technology

Computing

*Lock (computer science), a bookkeeping object used to serialize concurrent access *Lock (database), a feature used when multiple users access a database concurrently *File locking, describes 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 technologies

*Lock and key, a mechanical device used to secure items of importance *Lock (firearm), the ignition mechanism of small arms *Lock (water navigation), a device for boats to transit between different levels of water, as in a canal *Lock (weapons guidance), missile navigation system's target acquisition fix *Fermentation lock, a device in beer and wine making that allows carbon dioxide to escape while not allowing air to enter *Rope lock, a device used in theater fly systems *Airlock, a compartment for transfer between environments with different atmospheres *Lockheed Martin, a military aerospace company

Other uses

*Lock of hair, a piece of hair *Dreadlocks, or locks, rope-like strands of hair formed by locking or braiding