Siret is a surname. Notable people with this surname include:
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Luis Siret (1860–1934), a Belgian-Spanish archaeologist and illustrator
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Nicolas Siret (1663–1754), a French composer and organist
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Adolphe Siret (1818—1888), Belgian historian, biographer, essayist, poet and writer
* (1745—1798), French grammarian and philologist
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