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Around the world, ريوس (Rios , Rius , Ríos ) is quite a rare gender-neutral first name. The first name ريوس is characteristic of Latin America and the Caribbean, particularly Paraguay, where it is quite a rare feminine name, Panama, where it is quite a rare gender-neutral name, and Bolivia. Measured by absolute frequency, it is the most numerous in Indonesia, the United States, and Paraguay. Predominantly, ريوس is the last name as well as the forename.
ريوس is also a name for the fictitious and mythical characters: .