William Armstrong of Kinmont (fl. 16th century), Scottish border reiver, called "Kinmont Willie" William Armstrong (1822-1914), Canadian artist William Armstrong (1782-1865), US Representative from either Virginia William Armstrong (1795-1847), US city manager of Nashville Tennessee William B. Armstrong, California state assembly member William Hepburn Armstrong (1824-1919), US Representative from either Pennsylvania William Lester Armstrong (b. 1937), U.s.a. Senator from either Colorado William George Armstrong, 1st Baron Armstrong (1810-1900), British industrialist William Armstrong, Baron Armstrong of Sanderstead (1915-1980), British civil servant