Lieutenant-colonel William Coutts Keppel, 7th Earl of Albemarle, KCMG, PC, MP, ADC (15 April 1832 - 28 August 1894), styled Viscount Bury between 1851 and 1891, was a British soldier and politician. He served in the British Army before entering Parliament in 1857. Initially a Liberal, he served as Treasurer of the Household between 1859 and 1866 in the Liberal administrations headed by Lord Palmerston and Lord Russell. He later switched to the Conservatives and held office as Under-Secretary of State for War under Lord Beaconsfield between 1878 and 1880 and under Lord Salisbury between 1885 and 1886. Lord Albemarle was 6th in direct line-of-descent from King Charles II; he was the father-in-law of Mrs George (Alice) Keppel (1898-1910) the mistress and confidante of King Edward VII; and he