William Stark
William Stark may refer to:
- William Stark , older brother of Gen. John Stark, the hero of the Battle of Bennington
- William Stark , Scottish architect and town planner
- William Ledyard Stark, Nebraska Populist politician
- William Henry Stark, industrial leader whose contributions helped the city of Orange, Texas develop financially
- William Stark , English physician and medical pioneer who investigated scurvy by experimenting on himself with fatal consequences
- Billy Stark, Scottish footballer