Fitzroy Hemphill (21 November 1860–1930), was a British baron and Liberal Party politician, the son of Charles Hare Hemphill, the first baron, and he succeeded his brother to the barony on 26 March 1918. Fitzroy was a barrister of the Middle Temple from 1899, served as a justice of the peace for County Galway. As well as politics he was a captain in 2nd battalion King's Own Scottish Borderers; a representative member of London's Territorial Force, Justice of the peace in Galway, Ireland; and 'Chevalier' of the Legion of Honour.
His mother was Augusta Stanhope, the daughter of the Hon. Sir Charles Francis Stanhope, a son of Charles Stanhope, 3rd Earl of Harrington. He married Mary Martyn on 27 February 1897, and they had one son, Martyn, who succeeded his father to the barony.