Faustini is an Italian surname. Notable people with the surname include:
Andrea Faustini (born 1994), Italian singer and finalist in the eleventh series of the UK The X Factor in 2014 Arnaldo Faustini (1872–1944), Italian polar geographer, writer and cartographer Giovanni Faustini (1615–1651), Italian librettist and opera impresario. Brother of Marco Faustini Marco Faustini (1606-1676), Italian theatrical impresario. Brother of Giovanni Faustini Modesto Faustini (1839–1891), Italian painter Osvaldo Faustini (born 1956), Italian former long-distance runner
See also Faustini (crater), a lunar crater that lies near the south pole of the Moon