Cognomen Luks (Luks 
, Лакс 
, Лукс 
) , worldwide, is quite a rare surname. The last name Luks is habitual in Estonia, where it is quite a common surname, Latvia, where it is quite a rare surname, and Czechia. Not in comparison with a country's population, it is the most numerous in Poland, Russia, and the United States. Also, Luks is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Luks | Estonia, United States, Czechia, Poland, Germany |
| Лакс | Ukraine, Russia, Kyrgyzstan, Kazakhstan |
| Лукс | Ukraine, Russia, Belarus, Kazakhstan |
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george luks American artist (1867-1933), US (b. 1867) |
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| zygmunt luks Polish architect, PL (b. 1844) |
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| william luks GB (b. 1840) |
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| k. i︠a︡. luks (b. 1888) |
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| jaan luks (b. 1900) |
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dariusz luks Polish sportsperson, PL (b. 1970) |
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leo luks Estonian philosopher, EE (b. 1976) |
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| václav luks CZ (b. 1924) |
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| eugene m. luks American mathematician and computer scientist, US (b. 1940) |
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| krzysztof luks Polish politician and deputy, PL (b. 1946) |
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| václav luks CZ (b. 1950) |
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| meelis luks Estonian artist, EE (b. 1968) |
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| václav luks (b. 1958) |
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| václav luks Czech cemballist and music educator, CZ (b. 1970) |
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| valmer luks Estonian singer, EE (b. 1978) |
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