The Lost King is a 2022 British comedy-drama film directed by Stephen Frears and written by Steve Coogan and Jeff Pope, based on the 2013 book The King's Grave: The Search for Richard III by Philippa Langley and Michael Jones. It is a dramatisation of the story of Philippa Langley, the woman who initiated the search to find King Richard III's remains under a car park in Leicester, and her treatment by the University of Leicester in the claiming of credit for the discovery.

The film stars Sally Hawkins, Coogan, and Harry Lloyd. The film was produced by Pathé, Baby Cow Productions, BBC Film and Ingenious Media, and distributed by Pathé in France and Switzerland as a standalone distributor, and in the UK via Warner Bros. Pictures. The film premiered in Toronto International Film Festival on 10 September 2022, and was released in the United Kingdom on 7 October 2022.