William Walton (1716–1780) was an English Roman Catholic bishop who served as the Vicar Apostolic of the Northern District of England from 1775 to 1780. Born in Manchester on 9 December 1716, he was the son of Michael and Mary Walton. He entered the English College, Douai in October 1731 and received the four minor orders on 20 April 1737. During the next few years he was ordained a sub-deacon on 29 May 1739, a deacon on 23 May 1739, and a priest on 3 April 1741. He left Douai on 4 June 1748 to serve on the English mission.