Family name Ríos (Rios 
, Ríos , Риос 
) , worldwide, is a prevalent last name. The surname Ríos is habitual in Latin America and the Caribbean, particularly Panama, where it is a common surname, Paraguay, and Nicaragua (explore the name in all countries). In absolute terms, this name is the most popular in Latin America and the Caribbean, particularly Mexico, Colombia, and Argentina. Very seldom, Ríos is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ríos, Rios | Peru, Colombia, Argentina, United States, Mexico |
| Риос | Russia, Belarus |
| ريوس | Iraq |
De Los Ríos, Rio, ריוס, and 里奥斯
| pedro venegas de los ríos Costa Rican politician, CR (b. 1524) |
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| francisco alonso de los ríos Spanish sculptor (b. 1583) |
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| domingo terán de los ríos Governor of Spanish texas, ES (b. 1601) |
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francisco gutiérrez de los ríos Spanish diplomat and writer (1664-1721), ES (b. 1664) |
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| josé ríos Spanish writer (1700-1777), ES (b. 1700) |
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| maría francisca de silva y gutiérrez de los ríos Spanish noble, ES (b. 1707) |
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josef de mendoza y ríos Spanish astronomer and mathematician (1761–1816), ES (b. 1761) |
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luis de la cruz y ríos Spanish painter (1776-1853), ES (b. 1776) |
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carlos gutiérrez de los ríos diplomat, ES (b. 1779) |
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| juan ignacio de los ríos (b. 1750) |
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| maría lorenza de los ríos Spanish writer (1768-1817), ES (b. 1761) |
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ángel fernández de los ríos Spanish journalist, politician, writer and historian (1821-1880), ES (b. 1821) |
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| josé ramón de ostolaza y ríos (b. 1772) |
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manuel ballesteros ríos Chilean politician, CL (b. 1844) |
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saturio ríos Paraguayan painter (1845-1927), PY (b. 1845) |
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