Surname Балди (Baldi 
, Civai 
, Балди 
) , all over the world, is a common family name. The surname Балди is habitual in Italy, where it is quite a common surname, Tunisia, and Uruguay, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Italy, Brazil, and Argentina. Much less frequently, Балди is the forename as well as the last name.