Marty is a surname. Notable people with the surname include:
André Edouard Marty (1882–1974), French graphic artistAndré Marty (1886–1956), French communist and political commissar of the International Brigades during the Spanish Civil War (1936–1939)Dick Marty (born 1945), Swiss politicianFrançois Marty (1904–1994), former Cardinal and Archbishop of ParisHenri Marty (Count Henri, Marie, Joseph, René Marty) (1887-1945), French educator, first Scoutmaster of the École des Roches in 1911John Marty (born 1956), member of the Minnesota Senate