The Ruling Class is a 1972 comedy film which tells the story of an insane British nobleman who thinks he is Jesus Christ. His relatives plot to steal his money from him. It stars Peter O'Toole, Alastair Sim, Arthur Lowe, Harry Andrews, Coral Browne, Carolyn Seymour and James Villiers.

The movie was adapted by Peter Barnes from his play. It was directed by Peter Medak.

It was nominated for an Academy Award for Best Actor in a Leading Role (Peter O'Toole).