Family name Lecarpentier (Lecarpentier 
) , in the world, is quite a rare cognomen. The surname Lecarpentier is habitual in Western Europe, particularly France, where it is quite a rare surname, Switzerland, where it is a very rare surname, and Belgium. In absolute terms, it is the most numerous in France, the United States, and the United Kingdom. Much less frequently, Lecarpentier is the forename as well as the last name.
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| Lecarpentier | China, United Kingdom, Australia, United States, France |
| pierre louis lecarpentier de chailloué French politician, FR (b. 1736) |
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| georges lecarpentier French writer, FR (b. 1850) |
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| bernard lecarpentier French politician, FR (b. 1944) |
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| hubert lecarpentier French politician, FR (b. 1948) |
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| thierry lecarpentier French politician, FR (b. 1968) |
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| yves lecarpentier researcher |
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| gerald l. lecarpentier researcher |
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| julie lecarpentier researcher |
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| eric lecarpentier researcher |
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| freddy lecarpentier French racing cyclist, FR (b. 1986) |
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| aurelie lecarpentier (b. 1979) |
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| michel lecarpentier |
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| gérard lecarpentier FR |
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| pauline lecarpentier French amateur wrestler, FR (b. 1997) |
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