Save Type Surname (from nickname) Usage Italian Pronounced Pron. /san.ˈtɔ.ro/ [key·simplify] Meaning & History Means "all saint's day" in Italian, a nickname for one born on that day. Related NamesDetails RootsanctorumVariantsDe Santis, Santini, SantoOther Languages & CulturesSantos, Santo(Portuguese) Santos, Santo(Spanish) Categories days, foundling names, holidays, time periods