Townsley is a surname. Notable people with the surname include:
Andrew Townsley (born 1952), first class cricketer who played for Yorkshire County Cricket Club in 1974 and 1975 Barry Townsley CBE (born 1946), British stockbroker Clarence Page Townsley (1855–1926), United States Army officer, superintendent of the United States Military Academy Debra Townsley, American academic administrator Derek Townsley (born 1973), English professional footballer Frances E. Townsley (1850–1909), American Baptist minister Joel Townsley Rogers (1896–1984), American writer Simon Townsley, British photojournalist Tom Townsley (1898–1976), Scottish footballer