Family name Рето (Reto 
, Рето 
) , across the world, is quite a common cognomen. The cognomen Рето is habitual in Liechtenstein, where it is quite a common surname, Seychelles, and Peru, where it is quite a rare surname. In absolute terms, it is commonest in Peru, the United States, and Egypt. Also, Рето is the forename as well as the last name.