Last name Перру (Perroux 
, Перру) , all over the world, is quite a rare family name. The cognomen Перру is characteristic of France, where it is quite a rare surname, Uruguay, and Switzerland, where it is a very rare surname. In absolute terms, the name is most common in France, Uruguay, and the United States. Much less frequently, Перру is the forename as well as the last name.