Cognomen Baiuk (Baiuk , Баюк ) , all over the world, is a rare surname. The cognomen Baiuk is habitual in Ukraine, where it is a rare surname, Russia, and Kazakhstan.
Bajuk, and Bayuk
, Баюк 
) , all over the world, is a rare surname. The cognomen Baiuk is habitual in Ukraine, where it is a rare surname, Russia, and Kazakhstan.