Surname Damelio (D'Amelio 
, Damelio ) , globally, is quite a common family name. The surname Damelio is characteristic of Italy, where it is quite a rare surname, Argentina, and Switzerland, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Italy, the United States, and Argentina. Very seldom, Damelio is the forename as well as the last name.