A Monster Calls is a 2016 dark fantasy drama film directed by J. A. Bayona and starring Lewis MacDougall, Sigourney Weaver, Felicity Jones, Toby Kebbell, and Liam Neeson. Featuring a screenplay adapted by Patrick Ness from his own 2011 novel of the same name, the film follows a boy grappling with his mother's terminal illness who is visited and told stories by a giant anthropomorphic yew tree.

Juan Antonio García Bayona is a Spanish filmmaker.