Kulka is a surname. Notable people with the surname include:

Gabriela Kulka (born 1979), Polish musician Glenn Kulka (born 1964), Canadian professional wrestler János Kulka (actor) (born 1958), Hungarian actor János Kulka (conductor) (1929–2001), Hungarian conductor and composer Leopoldine Kulka (1872–1920), Austrian writer and editor Otto Dov Kulka (1933-2021), Israeli historian