Ryan's Daughter is a 1970 film which tells the story of an Irish girl who has an affair with an English soldier during World War I, despite opposition from her nationalist neighbours. It stars Robert Mitchum, Trevor Howard, Christopher Jones , John Mills, Leo McKern and Sarah Miles.

The movie was written by Robert Bolt and directed by David Lean.

It won Academy Awards for Best Actor in a Supporting Role (John Mills) and Best Cinematography. It was nominated for Best Actress in a Leading Role (Sarah Miles) and Best Sound.

John Mills played a mute in the film. For his Oscar acceptance speech, he bowed without saying a word, making this the shortest acceptance speech on record.