Fontanini is an Italian surname. Notable people with the surname include:
Archie Fontanini (1880–1982), Italian-Australian pioneer Estefania Fontanini (born 1988), Argentine sprint canoer Fabricio Fontanini (born 1990), Argentine footballer Giusto Fontanini (1666–1736), Italian historian and Roman Catholic archbishop Pietro Fontanini (born 1952), Italian politician
See also Nativity scene