Family name Emio (Emio 
) , all over the world, is a rare last name. The last name Emio is characteristic of the Democratic Republic of the Congo, where it is a rare surname, Nicaragua, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in the Democratic Republic of the Congo, Venezuela, and Spain. Much less frequently, Emio is the forename as well as the last name.