Fries is a surname. Notable people with the surname include:
Elias Magnus Fries (1794–1878), botanist
Ellen Fries (1885-1900), writer
Theodor Magnus Fries (1832–1913), botanist, son of Elias Fries
Robert Elias Fries (1876–1966), botanist, son of Thore Fries, brother of Thore Christian Elias Fries
Thore Christian Elias Fries, botanist, son of Thore Fries, brother of Robert Elias Fries
Fritz Rudolf Fries, German writer and translator
Gladys Fries Harriman (1896-1983), American philanthropist, equestrian and big game hunter
Hans Fries, 1460–1520, Swiss painter
Jakob Friedrich Fries (1773–1843), a German philosopher
Jan Fries, occultist
John Fries (1764–1825), American tax rebel and namesake of the Fries' Rebellion
Karl Theophil Fries (1875–1962) German chemist discoverer of the Fries rearrangement
Kenny Fries (1960-), American memoirist and poet
Fictional characters:
Victor Fries, a DC Comics character, also known as Mr. Freeze
Nora Fries, a DC Comics character, wife to Mr. Freeze
