Edward Smith-Stanley, 12th Earl of Derby PC (1 September 1752 (O.S.) – 21 October 1834), usually styled Lord Stanley from 1771 to 1776, was a British peer and politician of the late eighteenth and early nineteenth centuries.
He held office as Chancellor of the Duchy of Lancaster in 1783 in the Fox–North coalition and between 1806 and 1807 in the Ministry of All the Talents.