Family name Wais (Wais 
, ويس 
, Вайс 
) , around the world, is a common cognomen. The cognomen Wais is characteristic of Djibouti, where it is quite a common surname, Syria, and Austria, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Syria, Egypt, and Sudan. Likewise, Wais is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wais | Poland, Djibouti, Afghanistan, Indonesia, Austria |
| ويس | Yemen, Sudan, Iraq, Syria, Egypt |
| Вайс | Israel, Kazakhstan, Kyrgyzstan, Russia, Ukraine |
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kazimierz wais PL (b. 1865) |
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julio wais sanmartín Spanish politician (1878-1954), ES (b. 1878) |
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| mathias wais accounting official of Austrian army (1831-??), AT (b. 1831) |
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| gustav wais German journalist (1883-1961), DE (b. 1883) |
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| wais alnaqishbandi (b. 1879) |
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| alfred wais German painter (1905-1988), DE (b. 1905) |
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| ruth wais Ph.D. Eberhard-Karls-Universität Tübingen 1935 (b. 1905) |
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| kurt wais German romanist, DE (b. 1907) |
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| hildegard wais Austrian writer (1909-1986), AT (b. 1909) |
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| stanisław wais PL (b. 1914) |
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| anne-rose wais DE (b. 1924) |
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raffaela wais German actress, DE (b. 1989) |
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| josef wais Austrian photographer, AT (b. 1944) |
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| edgar wais DE (b. 1940) |
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| mir wais hosseini French chemist, FR (b. 1955) |
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