Gidley is a surname. Notable people with the surname include:
Charles Gidley Wheeler (born 1938), television screenwriter and historical novelist Hogan Gidley, executive director of the South Carolina Republican Party James W. Gidley (1866–1931), American paleontologist Kurt Gidley (born 1982), professional Australian footballer and captain of the Newcastle Knights in the NRL Mark Gidley, Member of the Alabama House of Representatives Martyn Gidley (born 1968), English first class cricketer who played in England and South Africa Matthew Gidley (born 1977), Australian professional rugby league footballer for St Helens RLFC of the Super League competition Memo Gidley (born 1970), Mexican-American racing driver of German and Canadian ancestry Pamela Gidley (1965–2018), American actress and model Philip Gidley King RN (1758–1808), British naval officer and colonial administrator Sandra Gidley (born 1957), Liberal Democrat politician in the United Kingdom