Lock, Stock and Two Smoking Barrels is a 1998 British crime film directed and written by Guy Ritchie. The story is a heist film involving a self-confident young card sharp who loses £500,000 to a powerful crime lord in a rigged game of three card brag. In order to pay off his debts, he and his friends decide to rob a small-time gang who happen to be operating out of the flat next door. The film garnered Guy Ritchie international acclaim, and introduced actors Vinnie Jones, a former Welsh international football player, and Jason Statham, to worldwide audiences.

In 2000, Ritchie won an Edgar Award from the Mystery Writers of America for Best Motion Picture Screenplay. In 2004, the magazine Total Film named Lock, Stock and Two Smoking Barrels the 38th greatest British film of all time.

A television series, Lock, Stock..., followed in 2000.