Cristaldo is a surname. It may refer to:
Blas Cristaldo (born 1964), Paraguayan former footballer Christopher Cristaldo (born 1995), Australian footballer Ernesto Cristaldo (born 1984), Paraguayan footballer Franco Cristaldo (born 1996), Argentine footballer Gustavo Cristaldo (born 1989), Paraguayan footballer Jonathan Cristaldo (born 1989), Argentine footballer Luis Cristaldo (born 1969), Argentine former footballer Victor Cristaldo (born 1967), Australian former footballer Wanderson Cristaldo Farias (born 1988), Brazilian footballer