Hartung is a surname. Notable people with the surname include:
Billy Hartung (actor) (b. 1971), American actor and dancer
Clint Hartung (b. 1922), former Major League Baseball player
Eugen Hartung (1897–1973), Swiss painter
Frederick Hartung (1857–?), Member of the Wisconsin State Assembly
Fritz Hartung (1883–1967), political and constitutional historian of Germany
Georg Hartung (c. 1822–c. 1891), German geologist
Hans Hartung (1904–1989), German-French abstract painter
Horst von Pflugk-Harttung, German intelligence officer and spy for Nazi Germany
John Hartung (b. 1947), Associate Professor of Anesthesiology at the State University of New York
Kaylee Hartung (b. 1985), American television journalist
Max Hartung (b. 1989), German fencer
Otto Schmidt-Hartung (1892–1976), German general
Peter Hartung (b. 1959), director of the Adelaide Institute
Wilfried Hartung (b. 1953), German swimmer
Willi Hartung (1912–1987), Swiss painter.
William D. Hartung (b. 1955), director of the Arms Trade Resource Center at the World Policy Institute
Dean Edward Hartung (b. 1956), American realist painter.
