Cognomen Сытник (Sitnik 
, Sytnik 
, Сытник 
) , in all the world, is quite a common last name. The last name Сытник is habitual in Reunion, where it is quite a common surname, Russia, where it is quite a rare surname, and Estonia. Measured by absolute frequency, the name is most common in Russia, Poland, and Kazakhstan. Much less frequently, Сытник is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sitnik | Germany, Poland, Canada, United States, Russia |
| Sytnik | Germany, Poland, United States, Russia, Reunion |
| Сытник | Kazakhstan, Ukraine, Belarus, Poland, Russia |
| Sytnyk | Germany, Ukraine, Spain, Canada, United States |
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сытник, александр борисович footballer, UA (b. 1941) |
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сытник, александр сергеевич footballer, UA (b. 1984) |
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| сытник, виктор григорьевич Soviet actor (1935-2016), RU (b. 1935) |
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| сытник, владимир михайлович UA (b. 1925) |
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| виктор петрович сытник UA (b. 1939) |
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| сытник, денис леонидович Ukrainian association football player, UA (b. 1986) |
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| сытник, юрий михайлович RU |
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