>
Family name Riu (Rio
, Riu
, ريو
) , all around the world, is a widespread cognomen. The surname Riu is characteristic of Southern Europe, particularly Portugal, where it is quite a common surname, Andorra, and Spain (explore the name in all countries). In absolute terms, it is the most numerous in Indonesia, Philippines, and France. More frequently, Riu is the forename as well as the last name.