Last name Rudio (Rudio 
) , across the world, is quite a rare surname. The cognomen Rudio is habitual in Philippines, where it is quite a rare surname, Brazil, where it is a rare surname, and France, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Philippines, Brazil, and the United States. Much less frequently, Rudio is the forename as well as the last name.
| eustachio rudio (b. 1551) |
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ferdinand rudio German and Swiss mathematician (1856-1929), DE (b. 1856) |
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| franz rudio botanist (1811-1877) (b. 1811) |
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| yves rudio French politician, FR (b. 1971) |
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| cornelia rudio Swiss botanist, CH |
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