Gailey is a surname. Notable people with the name include:
Chan Gailey (born 1952), American football player and coach David Gailey (1807–1881), Australian pioneer Doug Gailey (died 2007), New Zealand rugby league player Francis Gailey (1882–1972), Australian-born American competition swimmer Jeannine Hall Gailey (born 1973), American poet Mike Gailey (born 1970), American soccer player Richard Gailey (1834–1924), Irish-born Australian architect Robert Gailey (American football) (1869–1950), American college football player and coach Robert S. Gailey (born 1957), American physical therapist and professor Sarah Gailey, American author
See also Gailey (disambiguation)