Last name Валерийс (Valerijs 
, Валерийс 
, Valeriys) , worldwide, is a very rare cognomen. The surname Валерийс is characteristic of Latvia, where it is quite a rare surname, Cambodia, where it is a very rare surname, and Germany, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Latvia, Germany, and Russia. Predominantly, Валерийс is the forename as well as the last name.