Tinker Tailor Soldier Spy is a 2011 British Cold War spy thriller film directed by Tomas Alfredson. The screenplay was written by Bridget O'Connor and Peter Straughan, based on John le Carré's 1974 novel of the same name. The film stars Gary Oldman as George Smiley, with Colin Firth, Tom Hardy, John Hurt, Toby Jones, Mark Strong, Benedict Cumberbatch, Ciarán Hinds, David Dencik and Kathy Burke supporting. It is set in London in the early 1970s and follows the hunt for a Soviet double agent at the top of the British secret service.

The film was produced through the British company Working Title Films and financed by France's StudioCanal. It premiered in competition at the 68th Venice International Film Festival. A critical and commercial success, it was the highest-grossing film at the British box office for three consecutive weeks. It won the BAFTA Award for Best British Film. The film also received three Oscar nominations: Best Adapted Screenplay, Best Original Score, and for Oldman, Best Actor.

The novel had previously been adapted into the award-winning 1979 BBC television series of the same name with Alec Guinness playing the lead role of Smiley.