ZianiItalian (Rare, Archaic) Habitual surname denoting someone from Ziano, a locality in Italy. Unrelated to the Maghrebi surname of the same spelling.
ZouaouiArabic (Maghrebi) Indicates a member of the Igawawen (called Zouaoua in French) Kabyle tribe, from Maghrebi Arabic زواوة (zwāwa). The tribe's name is of uncertain meaning; it may be derived from the name of a massif in Kabylie, Algeria.
ZuckerJewish Occupational name for a confectioner or a nickname for someone with a sweet tooth, from German zucker or Yiddish צוקער (tsuker) both meaning "sugar". It is also used as an ornamental name.
ZuckerbergJewish Means "sugar mountain" from German zucker meaning "sugar" and Old High German berg meaning "mountain".