Cognomen Weis (Weis 
, فايس 
, 韦斯 
) , around the globe, is a common last name. The family name Weis is habitual in Western Europe, particularly Luxembourg, where it is quite a common surname, Germany, and Austria. In absolute terms, it is the most numerous in Germany, the United States, and Brazil. Very seldom, Weis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Weis | Germany, Austria, France, Brazil, United States |
| فايس | Sudan, Algeria, Morocco |
| 韦斯 | China |
Veiss, Wais, Weihs, Weise, Weiss, Weiß, Weî, Witt, Wêî, Вайзе, Вайс, Вайсс, Вейс, Вейсс, Витт, Уэйс, ויט, וייס, وايس, ไวส์, ワイズ, ヴィット, 为斯, 为西, 伊特, 伟斯, 伟西, 位斯, 位西, 偉斯, 卫斯, 卫西, 唯斯, 唯西, 威斯, 威特, 威西, 娓斯, 尾西, 巍斯, 微斯, 微西, 惟斯, 未西, 沩斯, 渭西, 湋斯, 炜斯, 炜西, 玮斯, 纬斯, 纬西, 维斯, 维西, 苇西, 葳斯, 蔚斯, 薇斯, 薇西, 韦西, 魏斯, and 魏泽
| georg weis (1636-1687) (b. 1636) |
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| georgius weis CZ (b. 1636) |
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| nikolaus weis Italian painter, 1657-1737, IT (b. 1657) |
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ulrich weis DE (b. 1713) |
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| rosina weis (1686-1726) (b. 1686) |
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| johann lorenz weis DE (b. 1685) |
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nikolaus weis German bishop (1796-1869), FR (b. 1796) |
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| johann martin weis FR (b. 1738) |
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| othmar weis German writer (1770-1843), DE (b. 1770) |
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| philipp friedrich weis (b. 1766) |
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| emmanuel-jean weis CH (b. 1774) |
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| ján nepomucký weis SK (b. 1777) |
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| johann baptist weis (1801-1862) (b. 1801) |
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clara marie weis DK (b. 1845) |
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| johann nepomuk weis (b. 1796) |
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