Wadleigh is a surname. Notable people with the surname include:
Bainbridge Wadleigh (1831–1891), American politician George H. Wadleigh (1842–1927), United States Navy admiral Julian Wadleigh (1904–1994), American economist and Soviet spy Lydia Fowler Wadleigh (1817-1888), American educator Michael Wadleigh (born 1939), American film director and cinematographer