Family name Riaño (Riaño 
) , across the world, is a common surname. The surname Riaño is characteristic of Latin America and the Caribbean, particularly Colombia, where it is quite a common surname, Uruguay, where it is quite a rare surname, and Mexico. Measured by absolute frequency, it is the most numerous in Colombia, Mexico, and Spain. Very seldom, Riaño is the forename as well as the last name.
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| Riaño | Spain, Colombia, Mexico, Argentina, Venezuela |
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domingo antonio riaño (b. 1788) |
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juan facundo riaño y montero ES (b. 1829) |
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juan riaño y gayangos Spanish diplomat, ES (b. 1865) |
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| manuel ignacio riaño Roman Catholic bishop (b. 1829) |
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| manuel riaño Spanish writer, ES (b. 1829) |
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alice ward riaño US (b. 1880) |
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josé roberto león riaño Colombian police officer, CO (b. 1961) |
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| luis rivaya riaño Spanish lawyer, ES (b. 1912) |
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lucía riaño Spanish television presenter, ES (b. 1975) |
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alejandro riaño Colombian actor and comedian, CO (b. 1986) |
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claudio riaño Argentine footballer, AR (b. 1988) |
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| antonio riaño Cuban rower, CU (b. 1951) |
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| diego riaño researcher (ORCID 0000-0002-2169-7236) |
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| jorge murcia riaño Colombian catholic priest |
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| ioana riaño researcher |
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