London Fields is a 2018 mystery thriller film directed by Mathew Cullen with a screenplay by Roberta Hanley and Martin Amis, based on the 1989 novel of the same name by Amis. The film stars Billy Bob Thornton as Samson Young, a terminally ill writer who has suffered from writer's block for 20 years. The cast also includes Amber Heard, Jim Sturgess, Theo James, Jason Isaacs, Cara Delevingne, Obi Abili, and Jaimie Alexander.

It was selected to be screened in the Special Presentations section of the 2015 Toronto International Film Festival, but it was later pulled from the festival roster after director Mathew Cullen sued the film's producers, accusing them of fraud and using his name to promote a cut of the film he does not support. After the producers reached a settlement with Cullen in a separate lawsuit, London Fields was released theatrically in the United States on 26 October 2018, and was a critical and commercial failure.