Surname Lachaud (Lachaud 
) , in all the world, is quite a rare last name. The cognomen Lachaud is characteristic of France, where it is quite a rare surname, Denmark, where it is a rare surname, and Portugal. Not in comparison with a country's population, it most frequently occurs in France, the United States, and Portugal. Much less frequently, Lachaud is the forename as well as the last name.
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| Lachaud | Portugal, France, United States, Belgium, Denmark |
| léonard bandy de lachaud French politician, FR (b. 1729) |
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charles lachaud French jurist and lawyer (1817-1882), FR (b. 1817) |
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| guillaume lachaud FR (b. 1791) |
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édouard lachaud French politician (1857-1923), FR (b. 1857) |
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| robert lachaud FR (b. 1799) |
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| edmond de lachaud (b. 1821) |
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| jean lachaud FR (b. 1860) |
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| jean lachaud French painter, engraver and ceramist, FR (b. 1889) |
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| jacques lachaud French architect, FR (b. 1893) |
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yvan lachaud French politician, FR (b. 1954) |
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marie céline lachaud (b. 1947) |
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denis lachaud French writer, FR (b. 1964) |
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bastien lachaud French politician, FR (b. 1980) |
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| philippe lachaud French architect (1935-2012), FR (b. 1935) |
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noémie lachaud French handball player, FR (b. 1992) |
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