Surname Kalynyak (Kalynyak 
, Калиняк 
, Калыняк ) , worldwide, is quite a rare family name. The last name Kalynyak is habitual in Ukraine, where it is quite a rare surname, Estonia, where it is a rare surname, and Russia, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Ukraine, Russia, and the United States.