Why Smith Left Home is a 1919 American silent film farce directed by Donald Crisp and starring Bryant Washburn.

Famous Players–Lasky produced the film with distribution through Paramount Pictures.

[1] This film is based on the turn of the century play, Why Smith Left Home, by George Broadhurst.

[2] The play starred Maclyn Arbuckle in the Washburn role.

An incomplete copy of Why Smith Left Home is held at the Library of Congress.