Carnage is a 2011 black comedy film directed by Roman Polanski, based on the Tony Award-winning 2006 play Le Dieu du carnage by French playwright Yasmina Reza. The screenplay is by Reza and Polanski. The film is an international co-production of France, Germany, Poland, and Spain. It stars Jodie Foster, Kate Winslet, Christoph Waltz, and John C. Reilly.

In this comedy of errors, two sets of parents try to resolve a situation in a civilised manner as their idiosyncrasies rise to the surface.

Carnage premiered at the 2011 Venice International Film Festival on 1 September 2011, where it competed for the Golden Lion. It was theatrically released on 18 November 2011. The film received positive reviews, with critics praising the performances of the cast and Polanski's direction.

At the 69th Golden Globe Awards, Foster and Winslet received nominations for Best Actress – Motion Picture Musical or Comedy. It was Polanski's last film to be shot in English until The Palace in 2023.