Edward Henry Stanley, 15th Earl of Derby, KG, PC, FRS (21 July 1826 – 21 April 1893; known as Lord Stanley from 1851 to 1869) was a British statesman. He served as Secretary of State for Foreign Affairs twice, from 1866 to 1868 and from 1874 to 1878, and also twice as Colonial Secretary in 1858 and from 1882 to 1885.