Edward John Stanley, 18th Earl of Derby,, styled Lord Stanley from 1938 to 1948, was a British peer, landowner and businessman.

Edward Montagu Cavendish Stanley, Lord Stanley, was a British Conservative politician. The eldest son of the 17th Earl of Derby, he held minor political office before being appointed Secretary of State for Dominion Affairs in 1938, sitting in the cabinet alongside his brother Oliver Stanley. However, Stanley died only five months after this appointment, aged 44; his eldest son, Edward John Stanley, later succeeded to the earldom in his stead.