Surname Каніо (Canio 
, Kanio 
, Каніо 
) , across the world, is quite a rare last name. The last name Каніо is characteristic of Chile, where it is quite a rare surname, Italy, where it is a rare surname, and Argentina. Not in comparison with a country's population, the name is most common in Chile, Philippines, and Italy. Likewise, Каніо is the forename as well as the last name.