New Line Productions, Inc., doing business as New Line Cinema, is an American film and television production studio owned by Warner Bros. Discovery (WBD). Since 2008, it has been operating as a unit of Warner Bros. Pictures.

It was founded in 1967 by Robert Shaye as an independent film distribution company; later becoming a film studio after acquired by Turner Broadcasting System in 1994; Turner later merged with Time Warner Entertainment (later known as WarnerMedia from 2018 to 2022, and Warner Bros. Discovery since 2022) in 1996, and New Line was merged with Warner Bros. Pictures in 2008. The studio has been nicknamed "The House that Freddy Built" due to the success of the Nightmare on Elm Street film series. However, their most successful property was their film adaptation of The Lord of the Rings trilogy by J.R.R. Tolkien with considerable commercial success and numerous Academy Awards.