Zádor or Zador is a Hungarian surname. Notable people with the surname include:
Anna Zádor (1904–1995), Hungarian historian Anthony Zador, American neuroscientist Ervin Zádor (1934–2012), Hungarian water polo player Eugene Zador (1894–1977), Hungarian and American composer György Zádor (1799–1866), Hungarian jurist and writer of the Austrian Empire IIona Zádor, Hungarian table tennis player Tibor Zádor, Hungarian diplomat