William Wadsworth may refer to:
William Wadsworth (patriarch) (1594–1675), First Townsman and founder of Hartford, Connecticut William Wadsworth (officer) (1765–;1833), Brigadier General in the New York State militia, before and during the War of 1812 William H. Wadsworth (1821–1893), U.S. Representative from Kentucky William Wadsworth (cricketer) (1823–1891), English cricketer William Wadsworth (actor) (1874–1950), American silent film actor William Wadsworth (rower) (1875–1971), Canadian rower who won a silver medal at the 1904 Summer Olympics William J. Wadsworth (died 1949), municipal politician in Toronto, Canada William Wadsworth (poet) (born 1950), American poet