Devil's Knot is a 2013 American biographical crime drama film directed by Atom Egoyan and adapted from Mara Leveritt's 2002 book of the same name. The film is about the true story of three murdered children and three teenagers, known as the West Memphis Three, who were convicted of killing the three children during the Satanic panic. The teenagers were subsequently sentenced to death (Echols) and life imprisonment (Baldwin and Misskelley), before all were released after eighteen years.

The film was produced by Elizabeth Fowler, Richard Saperstein, Clark Peterson, Christopher Woodrow, and Paul Harris Boardman. The film stars Colin Firth, Reese Witherspoon, Dane DeHaan, Mireille Enos, Bruce Greenwood, Elias Koteas, Stephen Moyer, Alessandro Nivola, Amy Ryan, and Martin Henderson.

The film premiered at the 2013 Toronto International Film Festival on September 8. It had a limited release in Canadian theaters on January 24, 2014, and it was released in U.S. theaters and video on demand services on May 9, 2014.