Family name ピロ (Pirro 
, ピロ 
) , in the world, is quite a common last name. The surname ピロ is characteristic of Italy, where it is quite a rare surname, Albania, and Latvia. Not in comparison with a country's population, the name is most common in Italy, the United States, and Argentina. Very seldom, ピロ is the forename as well as the last name.