Cognomen Jauniaux (Jauniaux 
) , across the world, is a rare surname. The last name Jauniaux is characteristic of Belgium, where it is quite a rare surname, France, where it is a rare surname, and Canada, where it is a very rare surname. Much less frequently, Jauniaux is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Jauniaux | Germany, Canada, France, United Kingdom, Belgium |
| arthur jauniaux Belgian politician (1883-1949), BE (b. 1883) |
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| a. jauniaux French military personnel, FR (b. 1890) |
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| catherine jauniaux musician, BE (b. 1955) |
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| e. jauniaux (b. 1962) |
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| eric jauniaux researcher (ORCID 0000-0003-0925-7737) |
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| david emmanuel jauniaux performing artist in Canada |
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| marcel jauniaux |
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| catherine jauniaux |
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Mr, Ariane, Audrey, Carole, Benoit, Pascal, Pierre, Rachel, Romain, Julien, Justin, Thomas, Emilie, Virgil, Maureen, Monique, Michael, Antoine, Patrick, Pascale, Sylvie, Romuald, Steven, Martin, Luc, Jon, Eve, Marc, Axel, Paul, Romy, Remy, John, Jean, Theo, Eric, Yves, Sarah, Serge, Riley, Loïc, Julie, Tyson, Michel, and Rebecca