Sir Henry Bargrave Finnelley Deane (28 April 1848 – 21 April 1919) was an English judge. He was the only son of Sir James Parker Deane and was educated at Winchester College and Balliol College, Oxford where he won the International Law essay prize in 1870. In 1870 he was called to the Bar, and from 1892 worked primarily in the Probate, Divorce and Admiralty Division of the High Court of Justice. He was made Queen's Counsel in 1896. From 1908 to 1911 he was the first Knight Principal of the Imperial Society of Knights Bachelor. He died in London.