Arthur is a 1981 film which tells the story of a drunken playboy millionaire called Arthur Bach who can only inherit if he marries. It stars Dudley Moore, Liza Minnelli, John Gielgud, Geraldine Fitzgerald and Jill Eikenberry.

The movie was written and directed by Steve Gordon. It won Academy Awards for Best Actor in a Supporting Role (John Gielgud) and Best Music, Song (for Burt Bacharach, Carole Bayer Sager, Christopher Cross and Peter Allen for "Arthur's Theme (Best That You Can Do)". It was nominated for Best Actor in a Leading Role (Dudley Moore) and Best Writing, Screenplay Written Directly for the Screen.

Arthur was followed by a 1988 sequel, Arthur 2: On the Rocks.