Cognomen Ferii (Feria 
, Ferii 
) , across the world, is a common surname. The surname Ferii is characteristic of Latin America and the Caribbean, particularly Colombia, where it is quite a common surname, Mexico, where it is quite a rare surname, and Peru. Not in comparison with a country's population, the name is most common in Mexico, Colombia, and Philippines. Very seldom, Ferii is the forename as well as the last name.