Musy is a French surname. Notable people with the surname include:
Benoît Musy (1917–1956), Swiss motorcycle racer Enrico Musy (1901–1966), Italian actor Gianni Musy (1931–2011), Italian actor and voice actor Jean-Marie Musy (1876–1952), Swiss politician Louis Musy (1902–1981), French opera singer and stage director Pierre Musy (1910–1990), Swiss bobsledder
See also Mussy (disambiguation) Musi (disambiguation)