Cognomen Viallon (Viallon 
) , around the globe, is quite a rare last name. The cognomen Viallon is habitual in France, where it is quite a rare surname, Switzerland, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Viallon is the forename as well as the last name.
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| Viallon | China, Switzerland, Spain, France, United States |
| jean-marie viallon canon and librarian of Sainte-Geneviève Abbey, author of a book published in 1788, on Clovis, the first Christian king, FR (b. 1748) |
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| justinien viallon French organist and composer, FR (b. 1806) |
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| philippe viallon French academic, FR (b. 1901) |
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| jacky viallon French writer, FR (b. 1945) |
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| laurent viallon French politician, FR (b. 1969) |
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| thierry viallon French politician, FR (b. 1977) |
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| philippe viallon French radio host, FR |
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| vivian viallon researcher |
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| marie viallon university teacher, FR |
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| jérôme viallon |
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| magalie viallon researcher |
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Mr, Joel, Jean, Noel, Eric, Hugo, Fred, Frã, Yves, Yvan, Marie, Sarah, Simon, Serge, Alain, Andre, Armel, Cathy, Cindy, Cyril, Berta, Bruno, Léa, Léo, Loic, Lola, Ms, Mã, Sã, Cã, Kip, Rã, Gus, Guy, Lea, Luc, Kevin, Eva, Stã, Alex, Anne, Chip, Coco, Clã, Paul, Rene, Dany, Lisa, Marc, and Romeo