Zürn is a German surname. Notable people with the surname include:
Erich Zürn (1906–1965), German U-boat engineer during World War II Georg Zürn (1834–1884), mayor of Würzburg, Germany Hans Zürn the Elder, 16th-17th century German sculptor Unica Zürn (1916–1970), German author and painter Walter Zürn (born 1937), German physicist and seismologist
See also Morgan Zurn, American lawyer and judge Zurn Peak, mountain in Antarctica named after Walter Zürn Zurn Water LLC, an American drainage and plumbing systems manufacturer