In the world, Казис (Kazys 
, Казис 
, Kazis 
) is quite a rare male first name. The first name Казис is habitual in Lithuania, where it is quite a common masculine name, Kazakhstan, where it is a rare masculine name, and Kyrgyzstan. Not in comparison with a country's population, it is the most numerous in Lithuania, Kazakhstan, and Russia. Likewise, Казис is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kazys | Brazil, Spain, Lithuania, United Kingdom, United States |
| Казис | Lithuania, Kazakhstan, Kyrgyzstan, Russia, Ukraine |
| Kazis | Brazil, Latvia, Greece, United States, Belgium |
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пуйда, казис Lithuanian writer (1883-1945), LT (b. 1883) |
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казис бинкис Lithuanian poet, journalist, playwright (1893-1942), LT (b. 1893) |
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бизаускас, казис Lithuanian politician (1893-1941), LT (b. 1893) |
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скучас, казис Lithuanian politician and general, LT (b. 1894) |
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казис брадунас Lithuanian writer, LT (b. 1917) |
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| маркявичюс, казис Lithuanian boxer, LT (b. 1905) |
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| инчюра, казис LT (b. 1906) |
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| петкявичюс, казис казио basketball player, LT (b. 1926) |
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| амбрасас, казис Lithuanian critic, LT (b. 1931) |
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| ташенов, казис ташенович KZ (b. 1928) |
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| масквитис, казис Professional basketball coach, LT (b. 1977) |
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Усцила, Вайткявичюс, Тарвидавичус, Нугуманов, Стульпинас, Ставецкис, Галецкас, Лаврентьев, Стребейко, Поляпшис, Касенов, Сідабрас, Скавідас, Бочкус, Жюрамскис, Оспанов, and Станкевичиус