Hitz is a surname. Notable people with the surname include:
Alex Hitz (born 1969), American chef David Hitz, American engineer Franz Hitz (1828–1891), Swiss pianist and composer Frederick Hitz (born 1939), former Inspector General of the CIA Hans Jakob Hitz (born 1949), German slalom canoeist Jason Hitz (born 1980), Zimbabwean cricketer Marwin Hitz (born 1987), Swiss football goalkeeper Ralph Hitz (1891–1940), Vienna-born American hotel manager Sarina Hitz (born 2000), Swiss sports shooter William Hitz (1872–1935), American federal judge