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
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