Cognomen Пиу (Piu 
, Пиу 
) , in the entire world, is quite a common surname. The last name Пиу is characteristic of Italy, where it is quite a rare surname, Malaysia, and Hong Kong. Not in comparison with a country's population, it is the most numerous in Italy, Malaysia, and Bangladesh. More frequently, Пиу is the forename as well as the last name.