Hladnik

Hladnik is a Slavic surname that may refer to
 * Boštjan Hladnik (1929–2006), Slovenian filmmaker
 * Feliks Hladnik (1915-2002), Croatian world art collector
 * Franz Hladnik (1773–1844), Carniolan botanist and schoolmaster
 * Miran Hladnik (born 1954), Slovenian literary historian