Surname Houyoux (Houyoux 
) , globally, is a rare family name. The last name Houyoux is habitual in Western Europe, particularly Belgium, where it is quite a rare surname, Luxembourg, and Switzerland, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Western Europe, particularly Belgium, France, and Switzerland.
| VARIANT | COUNTRY |
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| Houyoux | Switzerland, Belgium, United States, France, Luxembourg |
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philippe houyoux Belgian officer (1894-1983), BE (b. 1894) |
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maurice houyoux Belgian architect, BE (b. 1903) |
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| leon houyoux Belgian painter (1856-1940), BE (b. 1856) |
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| george houyoux Belgian editor (1901-1971), BE (b. 1901) |
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| marcel houyoux Belgian bicycle racer, BE (b. 1903) |
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| edmund houyoux BE (b. 1894) |
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| emilia houyoux Righteous Among the Nations, BE (b. 1906) |
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| philippe houyoux university librarian, CA (b. 1929) |
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| nicolas houyoux Belgian architect, BE (b. 1953) |
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Mr, Jonas, Joêl, Théo, Nancy, Nolan, Valã, Éric, Marine, Martin, Maxime, Michel, Sophie, Alanis, Ayrton, Brenda, Pierre, Robert, Renaud, Régis, Damien, Gaelle, Jason, Lucie, Laura, Denis, Ms, Bã, Geo, Marc, Stã, Anne, Ryan, Gary, Jean, Eric, Jordan, Marie, Sonia, Steve, Alain, Cathy, Cyril, Boris, Bruno, Karla, Kevin, Regis, Sarah, and Julien