Four Sons is a 1928 American synchronized sound drama film directed and produced by John Ford and written for the screen by Philip Klein from a story by I. A. R. Wylie first published in the Saturday Evening Post as "Grandmother Bernle Learns Her Letters" (1926). While the film has no audible dialog, it was released with a synchronized musical score with sound effects using the sound-on-film movietone process.

John Martin Feeney, known professionally as John Ford, was an American film director and producer. He is regarded as one of the most important and influential filmmakers during the Golden Age of Hollywood, and was one of the first American directors to be recognized as an auteur. In a career of more than 50 years, he directed over 140 films between 1917 and 1965, and received six Academy Awards including a record four wins for Best Director for The Informer (1935), The Grapes of Wrath (1940), How Green Was My Valley (1941), and The Quiet Man (1952).