Henry John Reynolds-Moreton, 3rd Earl of Ducie (25 June 1827 – 28 October 1921), styled Lord Moreton between 1840 and 1853, was a British courtier and Liberal Party politician.
He notably served as Captain of the Yeomen of the Guard from 1859 to 1866.
A member of the House of Lords for 68 years, he was Father of the House of Lords between 1913 and his death in 1921.