Last name Балцо (Balzo 
, Балцо 
) , in the entire world, is a rare surname. The surname Балцо is characteristic of Italy, where it is a rare surname, Hungary, where it is a very rare surname, and Chile. In absolute terms, it most frequently occurs in Italy, the United States, and Brazil. Very seldom, Балцо is the forename as well as the last name.