Cognomen Vytko (Витко 
, Vytko) , across the world, is quite a rare surname. The surname Vytko is habitual in Eastern Europe, particularly Belarus, where it is quite a rare surname, Bulgaria, and Russia, where it is a rare surname. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Belarus, Russia, and Ukraine. Much less frequently, Vytko is the forename as well as the last name.