Family name Guyaux (Guyaux 
) , worldwide, is a rare cognomen. The last name Guyaux is characteristic of Western Europe, particularly Belgium, where it is quite a rare surname, France, where it is a rare surname, and Netherlands, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Belgium, France, and the United States. Very seldom, Guyaux is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Guyaux | Belgium, Netherlands, Canada, France, United States |
| camille guyaux Belgian politician, BE (b. 1873) |
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| ernest guyaux Belgian writer, BE (b. 1888) |
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| martin guyaux Belgian sculptor, BE (b. 1946) |
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| andré guyaux BE (b. 1951) |
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| dominique guyaux FR (b. 1956) |
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| lucien guyaux BE |
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| jean guyaux BE |
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Mr, Evea, Earl, Marie, Mandy, Manon, Sarah, Simon, Susan, Alain, Annie, Carol, Cindy, Brian, Kathy, Roger, Rémy, Debra, David, Glenn, Géry, Laura, Eric, Linda, Judy, John, Ms, Jo, Amy, Cã, Ron, Dee, Lee, Jan, Tom, Maud, Sara, Alex, Alan, Anne, Cody, Reta, Gary, Lisa, Lori, Lynn, Léo, Jean, and James