Cognomen Louyot (Louyot 
) , throughout the world, is a rare last name. The last name Louyot is habitual in France, where it is a rare surname, the United Kingdom, where it is an extremely rare surname, and Brazil. Much less frequently, Louyot is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Louyot | United Kingdom, Brazil, Spain, France |
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edmond louyot French painter, FR (b. 1861) |
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| lucien louyot FR (b. 1914) |
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| michel louyot French writer, FR (b. 1938) |
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| alain louyot French war correspondent and journalist, FR (b. 1948) |
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| anne louyot ambassador of France to Armenia, FR (b. 1963) |
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Mr, David, Louix, Emily, Henri, Marcel, Michel, Myriam, Arthur, Armand, Agnès, Carine, Claude, Benoit, Pierre, Robert, Daniel, Gaelle, Gerard, Jerome, Jeanne, Thomas, Denis, Rémi, Robin, Bruno, Ms, Max, Sã, Cã, Bã, Tom, Marc, Anne, Aude, Paul, Nadine, Loic, Jean, Eric, Emma, Emmy, Marie, Sarah, Simon, Alain, Alban, Andre, Jose, and Nadège