William Watts
William Watts may refer to:
- William Watts (East India Company official), British official involved in the overthrow of the last independent ruler of Bengal
- William Watts, mayor of Reading
- William Watts (priest), Archdeacon of Llandaff, 1706–1722
- William Watts (engraver), English line-engraver
- William Watts (colonial administrator), deputy governor of Anguilla
- William Watts (Virginian), American politician and businessman in Virginia
- William Walter Watts, botanist - moss expert
- William Carleton Watts, rear admiral in US Navy
- William John Watts, Quebec businessman, lawyer and politician
- William Arthur Watts, botanist and educator
- William Whitehead Watts, geologist
- William Watts (inventor), inventor of the shot tower
- William Watts (translator), English cleric and author
- William Mavor Watts, English printer
- Bill Watts, American wrestler and promoter