Last name Flaux (Flaux 
) , all over the world, is a rare cognomen. The surname Flaux is habitual in France, where it is quite a rare surname, Switzerland, where it is a very rare surname, and Canada. Measured by absolute frequency, the name is most common in France, Switzerland, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Flaux | United Kingdom, Switzerland, Brazil, Canada, France |
| armand verdier de flaux FR (b. 1819) |
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| paul joseph flaux FR (b. 1871) |
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julian flaux English judge (b. 1955) |
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| clément flaux FR (b. 1981) |
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Mr, Denis, David, Laura, Louis, Loïc, Lucie, Johan, Julie, Jimmy, Enola, Herve, Felix, Orane, Marine, Marion, Martin, Marcel, Margot, Maxime, Morgan, Mevena, Regis, Roger, Robin, Katel, Ms, Tom, Marc, Clã, Rene, John, Joel, Jean, Eric, Herv, Michel, Yves, Maeva, Milã, Sarah, Alice, Alain, Annie, Aurã, Clara, Cloé, Bruno, Marie, and Sylvie