Cognomen Duboin (Duboin 
) , around the globe, is a rare surname. The surname Duboin is habitual in France, where it is a rare surname, Italy, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
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| Duboin | United States, France, Canada, Italy |
| joseph duboin FR (b. 1807) |
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| françois-marie duboin FR (b. 1827) |
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| éloy duboin FR (b. 1845) |
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| jacques duboin French economist, FR (b. 1878) |
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| léon duboin FR (b. 1882) |
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| jacques duboin (b. 1942) |
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| hugues duboin French politician, FR (b. 1957) |
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| giorgio duboin Italian bridge player, IT (b. 1959) |
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Mr, Franck, Martine, Margaux, Solange, Armelle, Clement, Cécile, Daniele, Guilhem, Giorgio, Jacques, Jeanine, Julissa, Thibaut, Nicolas, Florian, Océane, Aurelien, Benjamin, Philippe, Raymonde, Hugues, Pierre, Pascal, Klaire, Ms, Marc, Rene, Léa, Jean, Eric, Hugo, Yoan, Yves, Marie, Roselyne, Mario, Annie, Roger, Diane, Jacky, Edith, Margot, Magali, Sophie, Albert, Arnaud, Alice, and Emmanuel