Cognomen 皮尔洛 (Pirlo 
, 皮尔洛) , in the world, is quite a common family name. The surname 皮尔洛 is characteristic of Northern Africa, particularly Algeria, where it is quite a rare surname, Morocco, and Tunisia. Measured by absolute frequency, it most frequently occurs in Algeria, Indonesia, and Egypt. Much less frequently, 皮尔洛 is the forename as well as the last name.