Lock(s) 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), a 2016 Punjabi film * Lock (''Saga of the Skolian Empire''), a sentient machine in the novels by Catherine Asaro *

Lock (waltz) There are several types of lock step in waltz dancing, including International Standard waltz. A " lock step" is when the moving foot approaches to the standing foot and crosses in front of or behind it, creating a "check" position. There are sever ...

, a dance figure * ''Locked'' (miniseries), Indian web miniseries * ''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

People

* Lock (surname) * Ormer Locklear (1891–1920), American stunt pilot and film actor nicknamed "Lock" *

George Locks George Melbourne Locks (24 May 1889 – 17 September 1965) was an English cricketer who played for Essex. He was born in Leytonstone and died in Redbridge. Locks made two first-class appearances for Essex during the 1928 season, the first, ...

(1889–1965), English cricketer * Lock Martin (1916–1959), stage name of American actor Joseph Lockard Martin, Jr.

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) In the game of rugby union, there are 15 players on each team, comprising eight forwards (wearing jerseys numbered 1–8) and seven backs (numbered 9–15). In addition, there may be up to eight replacement players "on the bench", numbered 16– ...

, 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

Other uses

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