Last name Leproux (Leproux 
) , throughout the world, is a rare cognomen. The family name Leproux is habitual in France, where it is quite a rare surname, Italy, where it is a very rare surname, and Canada, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in France, Italy, and the United States. Much less frequently, Leproux is the forename as well as the last name.
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| Leproux | Italy, Canada, France, United States |
| jules leproux French politician (1808-1883), FR (b. 1808) |
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| pierre leproux French actor, FR (b. 1908) |
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| henri leproux FR (b. 1928) |
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| robin leproux French businessman, FR (b. 1959) |
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| joël leproux French politician, FR (b. 1960) |
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| guy-michel leproux French librarian and historian, FR (b. 1961) |
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| denis leproux cyclist, FR (b. 1964) |
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| alexis leproux French priest |
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| philippe leproux researcher (ORCID 0000-0002-3854-413X) |
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Mr, Denis, Lucie, Julie, Nelly, Elena, Eugã, Odile, Mayane, Magali, Maxime, Maëva, Michel, Muriel, Sandra, Sylvie, Alexis, Arnaud, Amaury, Adrien, Adèle, Audrey, Roger, Chloé, Bruno, Cindy, Ms, Max, Guy, Lou, Anne, Rene, Léo, Joel, Jean, Tony, Emma, Marie, Maeva, Simon, Sofia, Alice, Alain, Andre, Anais, Annie, Anita, Cyril, and Cedric