Family name Chaudenay (Chaudenay 
) , in the world, is a very rare last name. The family name Chaudenay is habitual in France, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and Brazil.
| VARIANT | COUNTRY |
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| Chaudenay | Brazil, France, United Kingdom |
| roland chaudenay FR (b. 1940) |
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| benjamin le vaillant de chaudenay Peerage person ID=420300 |
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| marie le vaillant de chaudenay (born 2010) |
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| céleste le vaillant de chaudenay (born 2011) |
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Mr, Louis, Benjamin, Alexandre, Constantin, and Charles-Hubert