Edward George Geoffrey Smith-Stanley, 14th Earl of Derby (29 March 1799 – 23 October 1869), known as Lord Stanley from 1834 to 1851, was a British statesman and Conservative politician who served three times as Prime Minister of the United Kingdom.

Thomas Stanley, 1st Earl of Derby, KG (1435 – 29 July 1504) was an English nobleman.

Frederick Arthur Stanley, 16th Earl of Derby, (15 January 1841 – 14 June 1908), known as Lord Stanley of Preston between 1886 and 1893, was a Conservative Party politician in the United Kingdom who served as Colonial Secretary from 1885 to 1886 and Governor General of Canada from 1888 to 1893.

Edward Richard William Stanley, 19th Earl of Derby, (born 10 October 1962) is a British hereditary peer and landowner.

Edward George Villiers Stanley, 17th Earl of Derby, (4 April 1865 – 4 February 1948), 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.