Family name Dechavanne (Dechavanne 
) , across the world, is a rare cognomen. The family name Dechavanne is habitual in France, where it is quite a rare surname, New Zealand, where it is a very rare surname, and Germany, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in France, India, and Germany. Very seldom, Dechavanne is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Dechavanne | Germany, United States, India, France, New Zealand |
| henri dechavanne French rugby league player (1953-), FR (b. 1903) |
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christophe dechavanne French broadcaster, FR (b. 1958) |
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| marc dechavanne French university professor, FR (b. 1939) |
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julien dechavanne French rugby union player, FR (b. 1989) |
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| célia dechavanne researcher |
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| sebastien dechavanne researcher ORCID ID = 0000-0001-9400-1976 |
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| mathieu dechavanne FR (b. 1971) |
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Mr, Kelly, Kevin, Roger, Denis, David, Laura, Lilia, Louis, Louka, Lucas, Joris, Edith, Herve, Marien, Marion, Maëva, Michel, Mmarie, Sandra, Sophie, Sylvie, Bruno, Boris, Andre, Alain, Ms, Jo, Sã, Cã, Jin, Marc, Paul, Rene, Leah, Loic, Antony, Jean, Elsa, Eric, Emma, Hugo, Yves, Marie, Sarah, Samir, Steph, Alice, Theo, and Arnaud