Kornblit, Korenblit, or Kornblihtt is a surname. Notable people with the surname include:
Alberto Kornblihtt (born 1954), Argentine molecular biologist Alexander Tairov (born Korenblit; 1885–1950), Russian/Soviet theatre director Simon Kornblit (1933–2010), Belgian-born American studio executive and actor Zalman Kornblit, Romanian Jewish playwright
See also Kornbluth