Cognomen Langlet (Langlet 
, Ланглет) , in the entire world, is quite a common surname. The family name Langlet is characteristic of France, where it is quite a rare surname, Belgium, and Sweden. Much less frequently, Langlet is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Langlet | Belgium, Sweden, France, United States, Germany |
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emil victor langlet Swedish architect, SE (b. 1824) |
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mathilda langlet Swedish translator, SE (b. 1832) |
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jean-baptiste langlet French politician and physician (1841-1927), FR (b. 1841) |
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alexander langlet Swedish artist, SE (b. 1870) |
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valdemar langlet Swedish Righteous Among the Nations, publisher and Esperantist (1872-1960), SE (b. 1872) |
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| pierre langlet Belgian painter, BE (b. 1848) |
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| filip langlet Swedish academic, SE (b. 1866) |
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| nils abraham langlet Swedish chemist (1868-1936), SE (b. 1868) |
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jan langlet Swedish artist (1918-1976), SE (b. 1918) |
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| nina langlet Russian-Swedish music teacher and writer, Righteous Among the Nations (1896-1988), SE (b. 1896) |
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| olof langlet SE (b. 1900) |
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| ernst günther langlet German physician, DE (b. 1912) |
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| joachim-friedrich langlet DE (b. 1906) |
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irène langlet French researcher and writer, FR (b. 1968) |
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| renée langlet FR (b. 1910) |
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