William Wadsworth
William Wadsworth may refer to:
- William Wadsworth (patriarch), First Townsman and founder of Hartford, Connecticut
- William Wadsworth (officer), Brigadier General in the New York State militia, before and during the War of 1812
- William H. Wadsworth, U.S. Representative from Kentucky
- William Wadsworth (cricketer), English cricketer
- William Wadsworth (actor), American silent film actor
- William Wadsworth (rower), Canadian rower who won a silver medal at the 1904 Summer Olympics
- William J. Wadsworth, municipal politician in Toronto, Canada
- William Wadsworth (poet), American poet