William or Bill Townsend may refer to:
William Townsend (Arkansas politician) (1914–2005), American politician and optometrist from Arkansas William Townsend (cricketer) (1821–1891), English cricketer and barrister William Townsend (mayor) (1821–1882), Australian politician from South Australia William Townsend (New York politician) (1848–1919), American politician from New York William A. Townsend (1904–1993), British philatelist William Cameron Townsend (1896–1982), American Christian missionary William Charles Townsend (1803–1850), English barrister and writer William George Paulson Townsend (1868–1941), English artist, designer and writer William H. Townsend (1812–1873), Canadian politician from Nova Scotia William John Townsend (1835–1915), British Methodist minister William Kneeland Townsend (1849–1907), American federal judge from Connecticut William Richard Townsend (died 1914), British lawyer and colonial administrator William T. Townsend, founder and CEO of Barrett Technology Bill Townsend (born 1965), businessman Bill Townsend (footballer) (1922–1988), English football player and manager
See also William Townshend (disambiguation)