All over the world, Gelio (Gelio 
, Геллий 
) is quite a rare masculine first name. The first name Gelio is characteristic of Brazil, where it is a rare boy's name, Peru, and Italy, where it is a very rare male name. Not in comparison with a country's population, it is commonest in Brazil, Peru, and Philippines. Likewise, Gelio is the last name as well as the forename.