The Secret Life of Walter Mitty is a 1947 American Technicolor comedy film, loosely based on the 1939 short story of the same name by James Thurber. The film stars Danny Kaye as a young daydreaming proofreader for a magazine publishing firm and Virginia Mayo as the girl of his dreams. The film was adapted for the screen by Ken Englund, Everett Freeman, and Philip Rapp (uncredited), and directed by Norman Z. McLeod.

James Grover Thurber was an American cartoonist, writer, humorist, journalist and playwright. He was best known for his cartoons and short stories, published mainly in The New Yorker and collected in his numerous books.