Cognomen Riudavets (Riudavets 
) , in all the world, is a rare surname. The surname Riudavets is characteristic of Spain, where it is quite a rare surname, Argentina, where it is a very rare surname, and France. Likewise, Riudavets is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Riudavets | Brazil, Argentina, Peru, France, Spain |
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josé riudavets y monjó ES (b. 1840) |
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joan riudavets moll Spanish racing cyclist (1889-2004), ES (b. 1889) |
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| juan gomila riudavets minorcan businessman, ES (b. 1871) |
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| antoni villalonga riudavets politician, ES (b. 1950) |
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| eduard riudavets florit politician, ES (b. 1959) |
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| jordi riudavets researcher (b. 1965) |
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| mariona riudavets researcher |
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