Lock

• 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==