The Wonderful Wizard of Oz, also known as The Wizard of Oz, is a 1910 American silent fantasy film and the earliest surviving film version of L. Frank Baum's 1900 novel The Wonderful Wizard of Oz. The film was made by the Selig Polyscope Company without Baum's direct input. It was created to fulfill a contractual obligation associated with Baum's personal bankruptcy caused by the failure of his theatrical production The Fairylogue and Radio-Plays. It was partly based on the 1902 stage musical The Wizard of Oz, though much of the film deals with the Wicked Witch of the West, who does not appear in the musical.

It was the beginning of a series of film sequels, also released in 1910 and based on Baum's books, but the sequels are thought to be lost films.