Operation Mincemeat is a 2021 British war drama film directed by John Madden. It is based upon Ben Macintyre's 2010 book on the British Operation Mincemeat during the Second World War. The film stars Colin Firth, Kelly Macdonald, Matthew Macfadyen, Penelope Wilton, Johnny Flynn and Jason Isaacs. This was Paul Ritter's final film appearance, and was dedicated to his memory.

Operation Mincemeat had its world premiere at the 2021 British Film Festival in Australia, and was released in the United Kingdom on 15 April 2022 by Warner Bros. Pictures. It was released on Netflix in North American and South American countries on 11 May 2022. The film received generally positive reviews from critics and grossed $15.7 million worldwide against a $6.3 million budget.