>
Cognomen Janko (Janko , Янко , يانكو) , all around the world, is a common surname. The family name Janko is habitual in Bulgaria, where it is quite a common surname, Slovenia, and North Macedonia (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Eastern Europe, particularly Bulgaria, Ukraine, and Hungary. Likewise, Janko is the forename as well as the last name.