William Stark

William Stark may refer to:


 * William Stark (loyalist) (1724–1776), older brother of Gen. John Stark, the hero of the Battle of Bennington
 * William Stark (architect) (1770–1813), Scottish architect and town planner
 * William Ledyard Stark (1853–1922), Nebraska Populist politician
 * William Henry Stark (1851–1936), industrial leader whose contributions helped the city of Orange, Texas develop financially
 * William Stark (physician) (1742–1770), English physician and medical pioneer who investigated scurvy by experimenting on himself with fatal consequences
 * Billy Stark (born 1956), Scottish footballer