Family name Vajs (Вайс 
, Vajs 
) , all around the world, is quite a rare surname. The family name Vajs is habitual in Slovenia, where it is quite a rare surname, Slovakia, and Kazakhstan. Measured by absolute frequency, it is the most numerous in Russia, Kazakhstan, and Ukraine. Much less frequently, Vajs is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Вайс | Israel, Kyrgyzstan, Russia, Kazakhstan, Ukraine |
| Vajs | Serbia, Slovakia, Czechia, Slovenia, Germany |
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josef vajs Czech linguist, literature historian, religion writer, professor, publicist, translator, theologist, university educator, science writer and roman catholic priest, CZ (b. 1865) |
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| václav vajs CZ (b. 1882) |
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| václav vajs CZ (b. 1891) |
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ján vajs Slovak Esperantist, SK (b. 1953) |
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stefan vajs German ice hockey player, DE (b. 1988) |
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| josef vajs CZ (b. 1932) |
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| nadezhda grigorevna vajs RU (b. 1950) |
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| roman vajs canoeist, SK (b. 1975) |
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| miroslav vajs footballer, MK (b. 1979) |
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| anamarija vajs SI |
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| roland vajs |
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| stanislav vajs SI |
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| tanja vajs SI |
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| jure vajs SI (b. 1987) |
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| jozef vajs association football player, SK (b. 1997) |
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Mr, Peter, Petar, Rasto, Roman, Dejan, Lucia, Jakub, Josip, Jozef, Pavel, Jozko, Jã N, Tomas, Tilen, Edvin, Vanja, Iboja, Marija, Martin, Mateja, Juraj, Bruno, Bojan, Anton, Ms, Ana, Liz, Jan, Teo, Vã, Miro, Petr, Ryan, Lana, Jana, Jure, Jiri, Ján, Taja, Ivan, Maria, Marko, Maros, Matej, Milan, Michal, and Sandra