Family name Viallard (Viallard 
) , all around the world, is quite a rare surname. The family name Viallard is characteristic of France, where it is quite a rare surname, Belgium, where it is a rare surname, and Venezuela, where it is a very rare surname. Very seldom, Viallard is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Viallard | Portugal, Belgium, Poland, France, Venezuela |
| éliane viallard French archivist and historian (b. 1936) |
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| marcel-louis viallard researcher, FR (b. 1950) |
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| jean-luc viallard French politician, FR (b. 1959) |
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| claire viallard researcher |
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| jean-françois viallard researcher (ORCID 0000-0001-7500-9323) |
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| véronique viallard |
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| kévin viallard |
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Mr, Manon, Mehdi, Sarah, Serge, Sonia, Steve, Alain, Alban, Andre, Anais, Annie, Carla, Carol, Clara, Cyril, Brice, Bruno, Roger, David, Dylan, Laura, Marco, Marta, Marie, Maria, Ms, Ju, Seb, Cã, Guy, Gã, Lea, Luc, Jã, Marc, Louis, Manu, Paul, Rene, Grã, Loic, Joel, Jean, Thã, Eric, Yves, Yvon, Anne, and Lydia