Cassani is an Italian surname. Notable people with the surname include:
Barbara Cassani (born 1960), American businesswoman Cesare Cassani (born 1944), Swiss wheelchair curler Daniele Cassani (active from 2008), Italian mathematician Davide Cassani (born 1961), Italian cyclist Enrico Cassani (born 1972), Italian cyclist Joseph Cassani (1673–1750), Spanish historian Lino Cassani (1869-1963), Italian priest, historian and archaeologist Mattia Cassani (born 1983), Italian footballer Valerio Cassani (1922–1995), Italian footballer
See also Cassano (disambiguation) Cassini (disambiguation)