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Lock may refer to:

Common meanings[edit]



  • 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., best known for playing the robot Gort in the film The Day the Earth Stood Still

Arts, entertainment, and media[edit]

Computing and technology[edit]

  • 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 uses[edit]

See also[edit]