Kádár (Hungarian, 'cooper', ) is a Hungarian surname which may refer to:
Ján Kadár, Slovak-Hungarian film director János Kádár (1912–1989), Hungarian politician, top leader during the communist era Flóra Kádár (1928–2002), Hungarian actress Kálmán Kádár, Romanian water polo player of Hungarian descent Matthias Kadar, a composer of German-Hungarian descent Tamás Kádár, Hungarian footballer Zoltán Kádár, Romanian footballer of Hungarian descent Gyula Kadar, Hungarian military officer during world war two
See also Kadar (disambiguation) Kádár (Hun judge) Kádár is the Hungarian name for Cadăr village, Tormac Commune, Timiș County, Romania