Arnold Frank Hills (12 March 1857 – 7 March 1927) was an English businessman, sportsman, philanthropist, and promoter of vegetarianism.
Hills was born in Lambeth, London, son of a manufacturing chemist.
Arnold Hills was also a keen sportsman who was the English mile (1878) and three mile champion (1879), and in his youth had played football and cricket (he was Captain of the 1st XI) for his school team Harrow. After leaving Harrow he attended University College, Oxford, where he earned the degree of B.A. (1880) and two football blues. He appeared as a forward for the University F.C. runner-up team in the 1877 FA Cup Final against Wanderers.
He continued to play as an amateur for Old Harrovians after he left, even winning a Corinthian's Cap whilst there; for England, against Scotland on 5 April 1879 at the Kennington Oval, when England won 5-4.
Hills was the first President of the London Vegetarian Society (1888) and the Vegetarian Cycling and Athletic Club, and also served as President of a London Vegetarian Rambling Club. He also founded The Vegetarian, an independent magazine, as well as the Vegetarian Federal Union (1889), of which he was also President. He also had close ties with the Temperance League. He founded the Oriolet Fruitarian Hospital at Loughton, under the medical direction of Josiah Oldfield.