We Need to Talk About Kevin is a 2011 psychological thriller drama film directed by Lynne Ramsay from a screenplay she co-wrote with Rory Stewart Kinnear, based on the 2003 novel of the same name by Lionel Shriver. A long process of development and financing began in 2005, with filming commencing in April 2010.

Tilda Swinton stars as the mother of Kevin, struggling to come to terms with her psychopathic son and the horrors he has committed. The film premiered at the 2011 Cannes Film Festival and was released in the United Kingdom on 21 October 2011.

Swinton was nominated for the Golden Globe Award, Screen Actors Guild Award, and the BAFTA for Best Actress in a Leading Role. The film was listed at no. 74 of Time Out's 100 Best Films of the Century So far in 2022.