Globally, Kazys (Kazys 
, Казис 
, Казіс ) is quite a rare male given name. The forename Kazys is habitual in Lithuania, where it is quite a common boy's name, Kazakhstan, where it is a rare boy's name, and Kyrgyzstan. In absolute terms, the name is most common in Lithuania, Kazakhstan, and Russia. Very seldom, Kazys is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kazys | Spain, Brazil, Lithuania, United States, United Kingdom |
| Казис | Kazakhstan, Russia, Lithuania, Kyrgyzstan, Ukraine |
| Казіс | Ukraine |
| קזיס | Israel |
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kazys grinius Third President of Lithuania from 7 June 1926 until 17 December 1926, LT (b. 1866) |
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kazys šimonis Lithuanian painter (1887-1978), LT (b. 1887) |
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kazys lekeckas LT (b. 1877) |
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kazys giedrys Lithuanian politician (1891-1926), LT (b. 1891) |
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| kazys eitutavičius (b. 1833) |
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kazys tallat-kelpša Brigadier General of the Lithuanian Army (b. 1893) |
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kazys ladiga Lithuanian general (1893-1941), LT (b. 1893) |
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kazys sidabras (b. 1884) |
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kazys škirpa Lithuanian army officer and diplomat (1895-1979), LT (b. 1895) |
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kazys šalkauskis LT (b. 1885) |
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kazys trukanas LT (b. 1892) |
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kazys musteikis LT (b. 1894) |
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kazys boruta Lithuanian writer and politician (1905-1965), LT (b. 1905) |
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kazys germanas (b. 1897) |
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kazys tumkevičius Lithuanian actor, LT (b. 1915) |
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Xd, Kaikaris, Paulikas, Richards, Tilvikas, Narbutas, Varnelis, Vasaitis, Zaveckas, Margaitis, Motekaitis, Sadauskas, Razgaitis, Laukaitis, Macijauskas, Kazlauskas, Paulauskas, Petrauskas, Povilionis, Vainauskas, Ambrozaitis, Dambrauskas, Bagdonas, Adomkaitis, Vogulys, Venckus, Nas, Ius, Ceika, Pempe, Dylys, Gudas, Shukis, Stokna, Skirpa, Boruta, Truskauskas, Butkus, Lečkauskas, Murkstys, Stankus, Almenas, Bobelis, Kauskas, Pupinis, Daugela, Grinius, Versila, Binkis, and Vasiliauskas