Surname Beyko (Бейко 
, Beyko 
) , all over the world, is a rare family name. The last name Beyko is habitual in Eastern Europe, particularly Ukraine, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Russia. Measured by absolute frequency, it is the most numerous in Ukraine, Russia, and Turkey. Very seldom, Beyko is the forename as well as the last name.