Gilardi is an Italian surname. Notable people with the surname include:
Domenico Gilardi (1785–1845), Italian architectEnrico Gilardi (born 1957), Italian basketball playerGilardo Gilardi (1889–1963), Argentine composer, pianist and conductorJason Gilardi (born 1974), American drummerLuigi Gilardi (1897–1989), Italian cyclistMauro Gilardi (born 1982), Italian footballerMax Gilardi (born 1988), American animatorPier Celestino Gilardi (1837–1905), Italian painterPiero Gilardi (born 1942), Italian artistThierry Gilardi (1958–2008), French football commentator