William Hartley

William Hartley may refer to:


 * William Hartley (martyr) (1557–1588), English Roman Catholic priest and martyr
 * William Hartley (politician) (1868–1950), Australian politician
 * William G. Hartley (born 1942), American historian and author
 * William James Hartley (born 1945), Canadian political figure in British Columbia
 * William Leonard Hartley (1916–2003), Canadian insurance salesman and politician in British Columbia
 * Sir William Pickles Hartley (1846–1922), English jam manufacturer and philanthropist
 * Bill Hartley (activist) (1930–2006), Australian political activist
 * Bill Hartley (athlete) (born 1950), English former athlete