Save Type Surname (from given name) Usage Italian Pronounced Pron. lah-tan-zee-oh(American English) /lat.ˈtan.t͡sjo/(Italian) [key·simplify] Other Forms FormsLattanzi Meaning & History From the given name derived from Latin Lactantius, which could derive from the minor Roman agricultural deity Lactans, or directly from the Latin word lactans "suckling, milking".