Fries is a surname. Notable people with the surname include:
Elias Magnus Fries (1794–1878), botanistEllen Fries (1885-1900), writerTheodor Magnus Fries (1832–1913), botanist, son of Elias FriesRobert Elias Fries (1876–1966), botanist, son of Thore Fries, brother of Thore Christian Elias FriesThore Christian Elias Fries, botanist, son of Thore Fries, brother of Robert Elias FriesFritz Rudolf Fries, German writer and translatorGladys Fries Harriman (1896-1983), American philanthropist, equestrian and big game hunterHans Fries, 1460–1520, Swiss painterJakob Friedrich Fries (1773–1843), a German philosopherJan Fries, occultistJohn Fries (1764–1825), American tax rebel and namesake of the Fries' RebellionKarl Theophil Fries (1875–1962) German chemist discoverer of the Fries rearrangementKenny Fries (1960-), American memoirist and poetFictional characters:
Victor Fries, a DC Comics character, also known as Mr. FreezeNora Fries, a DC Comics character, wife to Mr. Freeze