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.

Edward George Villiers Stanley, 17th Earl of Derby,, styled Mr Edward Stanley until 1886, then The Hon Edward Stanley and then Lord Stanley from 1893 to 1908, was a British soldier, Conservative politician, diplomat and racehorse owner. He was twice Secretary of State for War and also served as British Ambassador to France.