Freudenberger is a German surname. Notable people with the surname include:
Herbert Freudenberger (1927–1999), German-born American psychologist Nell Freudenberger (born 1975), American novelist Schraga Har-Gil (1926–2009), born Paul-Philipp Freudenberger, German-Israeli journalist and writer Sigmund Freudenberger (1745–1801), Swiss painter