Dad's Army is a 2016 British war comedy film, based on the BBC television sitcom Dad's Army. It is directed by Oliver Parker and set in 1944, after the events depicted in the television series. Catherine Zeta-Jones plays an elegant German spy, posing as a journalist, reporting on the Walmington-on-Sea Home Guard platoon.

The platoon members are played by Toby Jones (Captain Mainwaring, based on Arthur Lowe), Bill Nighy (Sergeant Wilson, based on John Le Mesurier), Tom Courtenay (Lance Corporal Jones, based on Clive Dunn), Bill Paterson (Private Frazer, based on John Laurie), Michael Gambon (Private Godfrey, based on Arnold Ridley), Blake Harrison (Private Pike, based on Ian Lavender) and Daniel Mays (Private Walker, based on James Beck).

The production design was by Simon Bowles and the cinematography by Christopher Ross. The film was released on 5 February 2016 in the United Kingdom by Universal Pictures. DVD and Blu-ray released in the United Kingdom on 13 June 2016. It received mostly negative reviews from critics. When the film was released in the United Kingdom, it reached second place in the box-office charts, behind Goosebumps.