William Finley or Finlay may refer to:

  • William Finlay (1853–1914), Irish-born Canadian politician
  • William Finlay (mayor) (1840–1885), mayor of Albany, Western Australia
  • William Finley (actor) (1940–2012), American actor
  • William Finley (Southern Railway), president of the Southern Railway in the United States, 1906–1913
  • William A. Finley (1839–1912), president of Oregon State University, 1865–1872
  • William L. Finley (1876–1953), American wildlife photographer and conservationist
  • William Finlay, 2nd Viscount Finlay (1875–1945), British barrister and judge
  • William Henry Finlay, South African astronomer
  • Willie Finlay (1926–2014), Scottish footballer for East Fife and Clyde

Similar spellings

  • William Findlay (disambiguation)
  • William Findley (c. 1741 – 1821), American politician