Surname Laclos (Laclos 
) , all around the world, is a very rare cognomen. The surname Laclos is habitual in France, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
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| Laclos | United States, France |
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pierre choderlos de laclos French novelist, official and army general, FR (b. 1741) |
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jean-baptiste de laclos (b. 1789) |
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| henry-joseph-gaston choderlos de laclos French military personnel, FR (b. 1878) |
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| michel laclos French journalist and writer (1926-2013), FR (b. 1926) |
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| bernard fruteau de laclos researcher and university professor, CA (b. 1954) |
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| paul fruteau de laclos writer in the theatrical field in Quebec |
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| frédéric fruteau de laclos FR (b. 1974) |
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