William Conway is the name of:
- William Conway (U.S. Navy), 19th century American sailor.
- William C. Conway (1865–1969), leader of a Latter Day Saint sect that combined the teachings of Joseph Smith with Druidic mysticism
- William Cardinal Conway (1913–1977), Cardinal Archishop of Armagh, Primate of All Ireland.
- William Martin Conway (1856–1937), English art critic and mountaineer.
