Ganley is a surname. Notable people with the surname include:
Allan Ganley (1931–2008), English jazz drummer Bernard Ganley (1927–2009), English rugby league player Bob Ganley (1875–1945), American baseball player Bob Ganley (city administrator) (1949–2000), American city manager Caroline Ganley (1879–1966), English Labour Party politician Declan Ganley (b. 1968), British-born Irish entrepreneur Howden Ganley (b. 1941), former New Zealand racing driver Len Ganley (1943–2011), retired Northern Irish snooker referee