Zajc is a surname. Notable people with the surname include:
Dane Zajc (1929–2005), Slovene poet Gorazd Zajc (born 1987), Slovenian footballer Ivan Zajc (1832–1914), Croatian composer, conductor, director and teacher Miha Zajc (born 1994), Slovenian footballer Timi Zajc (born 2000), Slovenian ski jumper Tina Zajc (born 1983), Slovenian beauty queen William Allen Zajc, American physicist
See also