Franz is a surname of German origin. Notable persons with this name include:
Arthur Franz (1920–2006), American actor
Dennis Franz (born 1944), American actor noted for NYPD Blue
Eduard Franz (1902–1983), American actor
Elizabeth Franz (born 1941), American actress
Ellen Franz (1839–1923), German pianist and actress
Friedrich Franz (1783-1860), Moravian physicist and mathematician
Frederick William Franz (1893–1992), past president of the Jehovah's Witnesses
Horst Franz (born 1940), German football manager
John E. Franz (born 1929), American organic chemist
Johnny Franz (1922–1977), UK record producer
Kurt Franz (1914–1998), Nazi SS commandant of Treblinka extermination camp
Ludwig Franz (1922-1990), German politician
Marie-Louise von Franz (1915-1998), Swiss Jungian psychologist and scholar
Maik Franz (born 1981), German footballer
Mike Frantz (born 1986), German footballer
Nolan Franz, American football player
Raymond Franz (1922–2010), former Jehovah's Witness
Robert Franz (1815–1892), German composer
Rod Franz (1925–1999), American football player
Ron Franz (born 1945), American professional basketball player
Walter Franz (1911–1992), German theoretical physicist
Wilhelm Franz (1913–1971), German audio engineer
Wolfgang Franz (born 1944), German economist