Family name Peñas (Peñas 
) , in the entire world, is quite a rare surname. The cognomen Peñas is characteristic of Spain, where it is quite a rare surname, Bolivia, and the Dominican Republic. Not in comparison with a country's population, this name is the most popular in Spain, Argentina, and Bolivia. Also, Peñas is the forename as well as the last name.
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| Peñas | Colombia, Dominican Republic, Spain, Argentina, Bolivia |
| juan de las peñas Roman Catholic bishop (b. 1665) |
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| pedro menchón peñas Spanish painter, ES (b. 1875) |
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| silvestre peñas Spanish composer (1896-1985), ES (b. 1896) |
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| francisco rivillas peñas Spanish politician, ES (b. 1911) |
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mercedes peñas domingo Spanish-Costa Rican politician scientist, ES (b. 1968) |
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oscar peñas jazz musician, ES (b. 1972) |
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esther peñas domingo Spanish writer, ES (b. 1975) |
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| javier peñas navarro Spanish teacher, writer and poet, ES (b. 1956) |
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| josé manuel lago peñas Spanish politician, ES (b. 1956) |
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| javier lorente peñas Spanish association football player, ES (b. 1970) |
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| santiago lago peñas Spanish economist, ES (b. 1971) |
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| óscar peñas Spanish judoka, ES (b. 1974) |
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| anselm peñas Spanish malacologist, ES |
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| ma. louise antonette de las peñas Ph.D. University of the Philippines 1996 |
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| francisco j peñas researcher |
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