Random Harvest is a novel written by James Hilton. Like previous Hilton works, including Lost Horizon and Goodbye, Mr. Chips, the novel was immensely popular.

It is set in the period immediately after the outbreak of the first World War. It is told in the first person by Harrison, and by means of two extended external analepses tells the story of Charles Rainier, a wealthy businessman and politician, from the time he was invalided out of the army during World War I, his subsequent memory loss and partial recovery, his assuming control of the family business to his attempts to recover his memory just as Hitler invades Poland.

The novel was successfully adapted into a film of the same name in 1942.