William Philo (17 February 1882 in London, England – 7 July 1916 in France) was a British Middleweight professional boxer who competed in the early twentieth century. He won a bronze medal in Boxing at the 1908 Summer Olympics losing against Reginald Baker in the semi-finals. He served in the British Army with the 8th Battalion, Royal Fusiliers and was posted missing during the Battle of the Somme in France on 7 July 1916 as a Company Serjeant Major. His remains were not recovered, and his name is recorded on the Thiepval Memorial.