Major Arthur Hill (30 December 1873 – 27 June 1913) was a British soldier and Unionist politician. A member of the Hill family headed by the Marquess of Downshire, he was the only child of Lord Arthur Hill by his first wife Annie Nisida Denham Cookes, daughter of Lieutenant-Colonel George Denham Cookes. His mother died only a few days after his birth. Hill married Roberta Menges, widow of Halsey Corwin, in 1908. They had no children. He died in June 1913, aged 39.