Freudenthal is a German surname. Notable people with the surname include:
Axel Olof Freudenthal (1836–1911), Finland-Swedish philologist, politician and racist.Dave Freudenthal (born 1950), American politicianFranz Freudenthal, a Bolivian physician who is known for several medical inventionsHans Freudenthal (1905–1990), Dutch mathematicianHeinrich Freudenthal, founder of Deutsche Pentosin-Werke GmbHJacob Freudenthal (1839-1907), German philosopherKarl Freudenthal (died 1944), Nazi lawyer and SS officerMatthijs Freudenthal, Dutch palaeontologist, former curator of fossil vertebrates of the National Museum of Natural History, Leiden, the NetherlandsNancy D. Freudenthal (born 1954), U.S. district judgeThor Freudenthal (born 1972), American director and screenwriter