Surname Дацци (Dazzi 
, Дацци 
) , throughout the world, is quite a rare last name. The surname Дацци is characteristic of Italy, where it is quite a rare surname, Switzerland, where it is a rare surname, and Austria. Not in comparison with a country's population, it is the most numerous in Italy, Brazil, and France. Much less frequently, Дацци is the forename as well as the last name.