Surname Пиа (Pia 
, Piat 
, Пиа 
) , across the world, is a common last name. The last name Пиа is characteristic of Mauritius, where it is quite a common surname, France, where it is quite a rare surname, and Luxembourg. Measured by absolute frequency, this name is the most popular in Philippines, France, and Italy. More prevalently, Пиа is the forename as well as the last name.