Family name Houtart (Houtart 
) , around the world, is a rare surname. The last name Houtart is habitual in Belgium, where it is quite a rare surname, France, where it is a rare surname, and Canada, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Houtart | Belgium, France, Canada, United States |
| léon houtart Belgian politician, BE (b. 1817) |
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| maurice houtart Belgian private banker and politician (1866-1939), BE (b. 1866) |
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françois houtart Belgian writer, BE (b. 1925) |
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| paul houtart Righteous Among the Nations, BE (b. 1884) |
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| albert houtart Belgian politician (1887-1951), BE (b. 1887) |
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| françois houtart Belgian organist, BE (b. 1956) |
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| elisabeth houtart BE (b. 1961) |
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| jules houtart |
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| edouard houtart BE |
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| elisabeth houtart |
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Mr, Monique, Solène, Aliénor, Charles, Dimitri, Gabriel, Gaëlle, Eleanor, Vincent, Omblinne, William, Mathilde, Albéric, Baudouin, Patricia, Delphine, Thibault, Frederic, Isabelle, Alexandre, Benedicte, Franã, Franck, Thomas, Tanguy, Ms, Marc, Alex, Alix, Paul, Jean, Marie, Albã, Carol, Cyril, Guénolée, Diego, Loïc, Jerry, Henri, Marine, Magali, Sophie, Astrid, Aurore, Benoit, Didier, Louis, and Veronique