Family name Clas (Clas 
, كلاس 
, Клас 
) , around the globe, is quite a rare cognomen. The surname Clas is characteristic of Aland Islands, where it is quite a common surname, Syria, where it is quite a rare surname, and Lebanon. In absolute terms, it most frequently occurs in Syria, Sudan, and Algeria. Also, Clas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Clas | Germany, Sweden, Indonesia, Algeria, United States |
| كلاس | Saudi Arabia, Syria, Morocco, Egypt, Sudan |
| Клас | Kyrgyzstan, Kazakhstan, Ukraine, Russia |
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fernand clas French writer (1868-1935), FR (b. 1868) |
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| alfred clas American architect (1859-1942) (b. 1859) |
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| alfred clas American architect, US (b. 1860) |
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| gerhard clas DE (b. 1861) |
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| johanna clas German actress and voice actress, DE (b. 1931) |
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| andré p. clas CA (b. 1933) |
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| nina clas (born 1967) (b. 1967) |
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| catharina clas German author, DE (b. 1982) |
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| detlef clas |
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